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Stress Stress may refer to: Science and medicine * Stress (biology), an organism's response to a stressor such as an environmental condition * Stress (linguistics), relative emphasis or prominence given to a syllable in a word, or to a word in a phrase ...
is a prominent feature of the
English language English is a West Germanic language of the Indo-European language family, with its earliest forms spoken by the inhabitants of early medieval England. It is named after the Angles, one of the ancient Germanic peoples that migrated to the ...
, both at the level of the word ''(lexical stress)'' and at the level of the phrase or sentence ''(prosodic stress)''. Absence of stress on a syllable, or on a word in some cases, is frequently associated in English with
vowel reduction In phonetics, vowel reduction is any of various changes in the acoustic ''quality'' of vowels as a result of changes in stress, sonority, duration, loudness, articulation, or position in the word (e.g. for the Creek language), and which are per ...
– many such syllables are pronounced with a centralized vowel ( schwa) or with certain other vowels that are described as being "reduced" (or sometimes with a syllabic consonant as the syllable nucleus rather than a vowel). Various
phonological Phonology is the branch of linguistics that studies how languages or dialects systematically organize their sounds or, for sign languages, their constituent parts of signs. The term can also refer specifically to the sound or sign system of a ...
analyses exist for these phenomena. For example, in the following sentence, a speaker would typically pronounce ''have'' with a schwa, as /həv/ or /əv/ (
homophonous A homophone () is a word that is pronounced the same (to varying extent) as another word but differs in meaning. A ''homophone'' may also differ in spelling. The two words may be spelled the same, for example ''rose'' (flower) and ''rose'' (pa ...
with ''of''): : Al and Bob have arrived. But in other contexts where the word carries stress, it would be pronounced in its "strong" (unreduced) form as /hæv/ (homophonous with ''halve''). For example: : Al and Bob have three children. : n response to the question "Have Al and Bob arrived?"They have.


Lexical and prosodic stress

Lexical stress (word stress) is regarded as being
phonemic In phonology and linguistics, a phoneme () is a unit of sound that can distinguish one word from another in a particular language. For example, in most dialects of English, with the notable exception of the West Midlands and the north-west ...
in English; the position of the stress is generally unpredictable and can serve to distinguish words. For example, the words ''insight'' and ''incite'' are distinguished in pronunciation only by the syllable being stressed. In ''insight'', the stress is placed on the first syllable; and in ''incite,'' on the second. Similarly, the noun and the verb ''increase'' are distinguished by the placement of the stress in the same way – this is an example of an
initial-stress-derived noun Initial-stress derivation is a phonological process in English that moves stress to the first syllable of verbs when they are used as nouns or adjectives. (This is an example of a suprafix.) This process can be found in the case of several dozen ...
. Moreover, even within a given letter sequence and a given part of speech, lexical stress may distinguish between different words or between different meanings of the same word (depending on differences in theory about what constitutes a distinct word): for example, initial-stress pronunciations of '' offense'' and '' defense'' in American English denote concepts specific to sports, whereas pronunciations with stress on the words' respective second syllables ('' offense'' and '' defense'' ) denote concepts related to the legal (and, for '' defense'', the military) field, and encountered in sports only as borrowed from the legal field in the context of adjudicating rule violations. British English stresses the second syllable in both sports and legal use. Some words are shown in dictionaries as having two levels of stress: primary and secondary. For example, the RP pronunciation of ''organization'' may be given as , with primary stress on the fourth syllable, secondary stress on the first syllable, and the remaining syllables unstressed. For different ways of analysing levels of stress in English, see below. English also has relatively strong
prosodic In linguistics, prosody () is concerned with elements of speech that are not individual phonetic segments (vowels and consonants) but are properties of syllables and larger units of speech, including linguistic functions such as intonation, st ...
stress—particular words within a phrase or sentence receive additional stress to emphasize the information they convey. There is also said to be a natural "tonic stress" that falls on the last stressed syllable of a prosodic unit – for more on this, see below under . English is classified as a ''stress-timed language'', which means that there is a tendency to speak so that the stressed syllables come at roughly equal intervals. See .


Reduced vowels

Certain vowel sounds in English are associated strongly with absence of stress: they occur practically exclusively in unstressed syllables; and conversely, most (though not all) unstressed syllables contain one of these sounds. These are known as reduced vowels, and tend to be characterized by such features as shortness, laxness and central position. The exact set of reduced vowels depends on dialect and speaker; the principal ones are described in the sections below.


Schwa and r-coloured schwa

Schwa, , is the most common reduced vowel in English. It may be represented in spelling by any of the vowel letters, such as the ''a'' in ''about'', the ''o'' in ''harmony'', the ''u'' in ''medium'', the ''e'' in ''synthesis'', the ''i'' in ''decimal'' or the ''y'' in ''analysis'' (although the last three are pronounced instead as a
near-close vowel A near-close vowel or a near-high vowel is any in a class of vowel sound used in some spoken languages. The defining characteristic of a near-close vowel is that the tongue is positioned similarly to a close vowel, but slightly less constricted. ...
by some speakers – see the following section). In many rhotic dialects, an r-colored schwa, , occurs in words such as ''water'' and ''standard.'' Non-rhotic dialects simply have schwa in these positions, except where the dialect has
linking R Linking R and intrusive R are sandhi or ''linking'' phenomena involving the appearance of the rhotic consonant (which normally corresponds to the letter ) between two consecutive morphemes where it would not normally be pronounced. These phenomen ...
(although when it is coupled with intrusive R, the underlying phoneme is still a bare , removing any phonemic difference). The r-colored schwa can be analyzed phonemically as .


Reduced vowels in the close unrounded area

In some dialects of English there is a distinction between two
vowel height A vowel is a syllabic speech sound pronounced without any stricture in the vocal tract. Vowels are one of the two principal classes of speech sounds, the other being the consonant. Vowels vary in quality, in loudness and also in quantity (le ...
s of reduced vowels: in addition to schwa, there is a distinct near-close central unrounded vowel (or equivalently ). In the British phonetic tradition, the latter vowel is represented with the symbol , and in the American tradition . An example of a
minimal pair In phonology, minimal pairs are pairs of words or phrases in a particular language, spoken or signed, that differ in only one phonological element, such as a phoneme, toneme or chroneme, and have distinct meanings. They are used to demonstrate ...
contrasting these two reduced vowels is ''Rosas'' vs. ''roses'': the ''a'' in ''Rosa's'' is a schwa, while the ''e'' in ''roses'' (for speakers who make the distinction) is the near-close vowel. See weak vowel merger. Like schwa, does not correspond in spelling to any single vowel letter. It can be represented by ''a'' (for example, ''message'' , ''climate'' , ''orange'' ), ''e'' (''puppet''), ''i'' (''limit''), ''u'' (''minute''), or ''y'' (''polyp''). Among speakers who make this distinction, the distributions of schwa and are quite variable, and in many cases the two are in free variation: the ''i'' in ''decimal'', for example, may be pronounced with either sound. A symbolization convention recently introduced by
Oxford University Press Oxford University Press (OUP) is the university press of the University of Oxford. It is the largest university press in the world, and its printing history dates back to the 1480s. Having been officially granted the legal right to print books ...
for some of their English dictionaries uses the non- IPA "compound" symbol () in words that may be pronounced with either or schwa. For example, the word ''noted'' is transcribed . The final vowel of words like ''happy'' and ''coffee'' is an unstressed front close unrounded vowel most commonly represented with , although some dialects (including more traditional
Received Pronunciation Received Pronunciation (RP) is the accent traditionally regarded as the standard and most prestigious form of spoken British English. For over a century, there has been argument over such questions as the definition of RP, whether it is geog ...
) may have . This used to be identified with the phoneme , as in . See ''happy'' tensing. However, some contemporary accounts regard it as a symbol representing a close front vowel that is neither the vowel of nor that of ; it occurs in contexts where the contrast between these vowels is neutralized; these contexts include unstressed prevocalic position within the word, such as ''react'' . For some speakers, however, there is a contrast between this vowel and in such pairs as ''taxis'' vs. ''taxes'' and ''studied'' vs. ''studded''. See English phonology: § ''Unstressed syllables'' under § ''Vowels''.


Reduced vowels in the close rounded area

According to , there is a reduced rounded phoneme as in ''willow'' , ''omission'' , thus forming a three-way contrast with ''Willa'' and ''Willie'' or with ''a mission'' and ''emission'' . Analogously to the symbol mentioned above, Oxford University Press have devised the non-IPA symbol to represent a vowel that may be either or in free variation. For example, ''awful'' may be pronounced or . Phonologically, this vowel is an
archiphoneme In phonology and linguistics, a phoneme () is a unit of sound that can distinguish one word from another in a particular language. For example, in most dialects of English, with the notable exception of the West Midlands and the north-w ...
representing the neutralization of and . A rounded vowel , corresponding to the ''happY'' vowel, is widely used in British works for words such as ''influence'' , ''into'' . Phonologically, this vowel is an
archiphoneme In phonology and linguistics, a phoneme () is a unit of sound that can distinguish one word from another in a particular language. For example, in most dialects of English, with the notable exception of the West Midlands and the north-w ...
representing the neutralization of and .


Syllabic consonants

The other sounds that can serve as the peaks of reduced syllables are the syllabic consonants, which can result in syllables with no vowel sound. Alternative pronunciations of syllabic consonants are however also possible. For example, ''cycle'' may be pronounced as either with only a dark l sound or as with a schwa and the dark l sound. In other words, a syllabic consonant can be phonologically analyzed as consisting of either just the consonant or of an underlying schwa followed by the consonant. The consonants that can be syllabic in English are principally , , and , for example in ''cycle'' (spelled by L followed by a silent e), ''prism'', and ''prison''. In rhotic accents, and are also pronounced as syllabic or .


Unstressed full vowels

All full (unreduced) vowels may occur in unstressed position (except under theoretical approaches that routinely assign secondary or tertiary stress to syllables containing such vowels – see below). Some examples of words with unstressed syllables that are often pronounced with full vowels in
Received Pronunciation Received Pronunciation (RP) is the accent traditionally regarded as the standard and most prestigious form of spoken British English. For over a century, there has been argument over such questions as the definition of RP, whether it is geog ...
are given below (pronunciation may be different in other varieties of English). *Unreduced short vowels: in the final syllable of ''document'' when used as a verb (compare the heard when the word is used as a noun); in the first syllable of ''ambition''; in the second syllable of ''neon''; in words with the negative prefix ''un-'', such as ''unknown'' (compare in ''until''). * Long vowels: in the final syllable of ''grandma''; in the final syllable of ''outlaw''; in ''tofu''; in the noun ''convert''; in ''manatee''. Note that this last may stand in contrast to the ''happY'' vowel found at the end of ''humanity''. This contrast is further described under below. * Diphthongs: in ''Monday''; in ''piano''; in ''discount''; in ''idea''; in ''royale''. Full vowels can often be found in unstressed syllables in
compound word In linguistics, a compound is a lexeme (less precisely, a word or sign) that consists of more than one stem. Compounding, composition or nominal composition is the process of word formation that creates compound lexemes. Compounding occurs when ...
s, as in ''bedsheet'', ''moonlit'', ''tentpeg'', ''snowman'', and ''kettledrum''.John Wells, "strong and weak", in ''John Wells's phonetic blog'', 25 March 201

/ref> However, in some well-established compounds the vowel of the unstressed part may be reduced, as in ''postman'' . Many other full unstressed vowels also derive historically from stressed vowels, due to shifts of stress over time (such as stress shifting away from the final syllable of French loan words, like ''ballet'' and ''bureau'', in British English), or the loss or change of stress in compound words or phrases (as in ''óverseas vóyage'' from ''overséas'' or ''óverséas'' plus ''vóyage''). There is a tendency, though, for such vowels to become reduced over time, especially in common words. With vowels represented as and , it may be hard to ascertain whether they represent a full vowel or a reduced vowel. A word that illustrates the contrast is ''chauvinism'', where the first ''i'' is the reduced vowel , and the second is unreduced .


Degrees of lexical stress


Descriptions with primary and secondary stress

In many phonological approaches, and in many dictionaries, English is represented as having two levels of stress: primary and secondary. In every lexical word, and in some grammatical words, one syllable is identified as having primary stress, though in monosyllables the stress is not generally marked. In addition, longer words may have one or more syllables identified as having secondary stress. Syllables that have neither primary nor secondary stress are called unstressed. In International Phonetic Alphabet transcriptions, primary stress is denoted with and secondary stress with . IPA stress marks are placed before the stressed syllable. When citing words in English spelling, primary stress is sometimes denoted with an acute accent and secondary stress with a grave accent , placed over the vowel of the stressed syllable. Secondary stress is frequently indicated in the following cases: *In words where the primary stress falls on the third syllable or later, it is normal for secondary stress to be marked on one of the first two syllables of the word. In words where the primary stress falls on the third syllable, secondary stress usually falls on the first rather than the second syllable. For example, ''ìnterjéction'' and ''èvolútion'' have their primary stress on the third syllable, and secondary stress on the first syllable. However, in certain words with primary stress on the third syllable, the second syllable may have secondary stress corresponding to the primary stress of a shorter related word or base. For example, ''electricity'' is pronounced by some speakers with secondary stress on the second syllable (''elèctrícity''), corresponding to the primary stress in ''eléctric''. In words where the primary stress falls on the fourth syllable or later, the position of the secondary stress on either the first or second syllable often corresponds to the position of the primary stress in a shorter related word or base. For example, ''òrganizátion'' and ''assòciátion'', which both have primary stress on the fourth syllable, have secondary stress on the first and second syllable respectively: the same positions as the primary stress on the first syllable of ''organize'' and the second syllable of ''associate''. *In words where the primary stress falls on the third or fourth syllable from the end, a following syllable may be marked with secondary stress. *In many
compound word In linguistics, a compound is a lexeme (less precisely, a word or sign) that consists of more than one stem. Compounding, composition or nominal composition is the process of word formation that creates compound lexemes. Compounding occurs when ...
s, where one part of the compound is pronounced more prominently; here the stressed syllable of the prominent part of the compound is marked with primary stress, while the stressed syllable of the other part may be marked with secondary stress. For example, ''còunterintélligence'' , and ''cóunterfòil'' . Dictionaries are not always consistent in this, particularly when the secondary stress would come after the primary – for instance the ''foil'' of ''counterfoil'' is transcribed with secondary stress in Merriam-Webster dictionaries but not in the
OED The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a co ...
, although both of them assign secondary stress to the ''counter'' of ''counterintelligence.'' *In some dictionaries (particularly American ones), all syllables that contain a full (unreduced) vowel are ascribed at least secondary stress, even when they come after the primary stress (as in the ''counterfoil'' example above). notes that such dictionaries make use of the secondary-stress mark to distinguish full vowels from reduced vowels in unstressed syllables, as they may not have distinct symbols for reduced vowels. John Wells remarks, "Some analysts (particularly Americans) argue ..that the presence of a strong fullvowel is sufficient evidence that the syllable in question is stressed. In the British tradition we regard them as unstressed." Note that this last-mentioned group of syllables are those ascribed tertiary stress in the approach described in the next section.


Descriptions with primary, secondary and tertiary stress

In some theories, English has been described as having three levels of stress: primary, secondary, and tertiary (in addition to the unstressed level, which in this approach may also be called quaternary stress). For example,''²coun.ter.³in.¹tel.li.gence'' has a primary, secondary, and tertiary stress, and ''¹coun.ter.³foil'' has a primary and tertiary stress. Exact treatments vary, but it is common for tertiary stress to be assigned to those syllables that, while not assigned primary or secondary stress, nonetheless contain ''full'' vowels (unreduced vowels, i.e., those not among the reduced vowels listed in the previous section). Dictionaries do not generally mark tertiary stress, but as mentioned above, some of them treat all syllables with unreduced vowels as having at least secondary stress.


Descriptions with only one level of stress

Phoneticians such as
Peter Ladefoged Peter Nielsen Ladefoged ( , ; 17 September 1925 – 24 January 2006) was a British linguist and phonetician. He was Professor of Phonetics at University of California, Los Angeles (UCLA), where he taught from 1962 to 1991. His book '' A Cours ...
have noted that it is possible to describe English with only one degree of stress, as long as unstressed syllables are phonemically distinguished for
vowel reduction In phonetics, vowel reduction is any of various changes in the acoustic ''quality'' of vowels as a result of changes in stress, sonority, duration, loudness, articulation, or position in the word (e.g. for the Creek language), and which are per ...
. According to this view, the posited multiple levels, whether primary–secondary or primary–secondary–tertiary, are mere
phonetic Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Linguists who specialize in studying the physical properties of speech are phoneticians. ...
detail and not true
phonemic In phonology and linguistics, a phoneme () is a unit of sound that can distinguish one word from another in a particular language. For example, in most dialects of English, with the notable exception of the West Midlands and the north-west ...
stress. They report that often the alleged secondary (or tertiary) stress in English is not characterized by the increase in respiratory activity normally associated with primary stress in English or with all stress in other languages. In their analysis, an English syllable may be either stressed or unstressed, and if unstressed, the vowel may be either full or reduced. This is all that is required for a phonemic treatment. The difference between what is normally called primary and secondary stress, in this analysis, is explained by the observation that the last stressed syllable in a normal prosodic unit receives additional intonational or "tonic" stress. Since a word spoken in isolation, in citation form (as for example when a lexicographer determines which syllables are stressed) acquires this additional tonic stress, it may appear to be inherent in the word itself rather than derived from the utterance in which the word occurs. (The tonic stress may also occur elsewhere than on the final stressed syllable, if the speaker uses contrasting or other prosody.) This combination of lexical stress, phrase- or clause-final prosody, and the lexical reduction of some unstressed vowels, conspires to create the impression of multiple levels of stress. In Ladefoged's approach, our examples are transcribed phonemically as ''cóunterintélligence'' , with two stressed syllables, and ''cóunterfoil'' , with one. In citation form, or at the end of a prosodic unit (marked ), extra stress appears from the utterance that is not inherent in the words themselves: ''cóunterintélligence'' and ''cóunterfoil'' . To determine where the actual lexical stress is in a word, one may try pronouncing the word in a phrase, with other words before and after it and without any pauses between them, to eliminate the effects of tonic stress: in ''the còunterintèlligence commúnity,'' for example, one can hear secondary (that is, lexical) stress on two syllables of ''counterintelligence,'' as the primary (tonic) stress has shifted to ''community''.


Comparison

The following table summarizes the relationships between the aforementioned analyses of levels of stress in English: Ladefoged's binary account (which recognizes only one level of lexical stress), a quaternary account (which recognizes primary, secondary and tertiary stress), and typical dictionary approaches (which recognize primary and secondary stress, although their interpretations of secondary stress vary). As described in the section above, the binary account explains the distinction observed between "primary" and "secondary" stress as resulting from the prosodic, tonic stress that naturally falls on the final stressed syllable in a unit. It also recognizes the distinction between unstressed syllables with full vowels, and unstressed syllables with reduced vowels, but considers this to be a difference involving vowel reduction and not one of stress.


Distinctions between reduced and unreduced vowels

As mentioned in the previous section, some linguists make a phonemic distinction between syllables that contain reduced vowels (as listed above – syllabic consonants are also included in this category), and those that, while being phonetically unstressed, nevertheless contain a full (unreduced) vowel. In some analyses syllables of the latter type are ascribed secondary stress (those of the former type being regarded as completely unstressed), while in others the reduced/unreduced distinction is regarded as one of vowel quality not involving any difference in stress. This last approach is taken by linguists such as Ladefoged and Bolinger, who thus consider that there are two "tiers" of vowels in English, full and reduced. A distinction of this type may become useful for the analysis of a potential contrast between words such as ''humanity'', ''chicory'', ''shivery'' and ''manatee'', ''chickaree'', ''shivaree''. When assuming a separate set of reduced vowels, the former may end with , while the latter may end with an unreduced . Another example, for some speakers, is provided by the words ''farrow'' and ''Pharaoh''; the former may end with a reduced while the latter may end with the unreduced . Alternatively, these reduced vowels can be analyzed as instances of the same phonemes as full vowels. In that case, it may be the phonemic secondary stress that distinguishes these words. Some linguists have observed phonetic consequences of vowel reduction that go beyond the pronunciation of the vowel itself. Bolinger (1986) observes that a preceding voiceless stop is likely to retain its aspiration before an unstressed full vowel, but not before a reduced vowel; and that flapping of and in American English is possible before a reduced vowel but not before a full vowel. Hence the in ''manatee'' would be an aspirated , while that in ''humanity'' would be unaspirated or a flap . explains such phenomena by claiming that, in the absence of
morpheme A morpheme is the smallest meaningful constituent of a linguistic expression. The field of linguistic study dedicated to morphemes is called morphology. In English, morphemes are often but not necessarily words. Morphemes that stand alone are ...
boundaries or phonotactical constraints, a consonant between a full and a reduced vowel generally belongs to the syllable with the full vowel, whereas a consonant between two reduced vowels belongs to the preceding syllable. According to this analysis, ''manatee'' is and ''humanity'' is ; it is then asserted that voiceless stops are only aspirated at the beginning of syllables, and /t/ can only be flapped at the end of a syllable (as in ''might I'' → versus ''my tie'' → ).


Alternation between full and reduced vowels

It is a feature of English that reduced vowels frequently
alternate Alternative or alternate may refer to: Arts, entertainment and media * Alternative (''Kamen Rider''), a character in the Japanese TV series ''Kamen Rider Ryuki'' * ''The Alternative'' (film), a 1978 Australian television film * ''The Alternative ...
with full vowels: a given word or
morpheme A morpheme is the smallest meaningful constituent of a linguistic expression. The field of linguistic study dedicated to morphemes is called morphology. In English, morphemes are often but not necessarily words. Morphemes that stand alone are ...
may be pronounced with a reduced vowel in some instances and a full vowel in other instances, usually depending on the degree of stress (lexical or prosodic) given to it.


Alternation depending on lexical stress

When the stress pattern of words changes, the vowels in certain syllables may switch between full and reduced. For example, in ''photograph'' and ''photographic'', where the first syllable has (at least secondary) stress and the second syllable is unstressed, the first ''o'' is pronounced with a full vowel (the diphthong of ), and the second ''o'' with a reduced vowel ( schwa). However, in ''photography'' and ''photographer'', where the stress moves to the second syllable, the first syllable now contains schwa while the second syllable contains a full vowel (that of ).


Alternation depending on meaning

There are a number of English verb-adjective pairs that are distinguished solely by vowel reduction. For example, in some dialects, ''separate'' as a verb (as in 'what separates nation from nation') has a full final vowel, , whereas the corresponding adjective (as in 'they sleep in separate rooms') has a reduced vowel: or . A distinction may be made in a similar way between a verb and a noun, as in the case of ''document'' (pronounced with a schwa in the noun's final syllable and sometimes pronounced with a full vowel in the verb's final syllable). Finally, differences in syllabic stress and vowel reduction (or lack of the latter) may distinguish between meanings even within a given part of speech, with the best-known such pairs in American English being ''offense'' and ''defense'' (in each case with the first syllable accented in the context of sports and the second syllable accented in legal contexts).


Alternation depending on type of enunciation

In some words, the reduction of a vowel depends on how quickly or carefully the speaker enunciates the word. For example, the ''o'' in ''obscene'' is commonly reduced to schwa, but in more careful enunciation it may also be pronounced as a full vowel (that of ). Compare this with the ''o'' in ''gallon'', which is never a full vowel, no matter how carefully one enunciates.


Weak and strong forms of words

Some monosyllabic English function words have a weak form with a reduced vowel, used when the word has no prosodic stress, and a phonemically distinct strong form with a full vowel, used when the word is stressed (and as the citation form or isolation form when a word is mentioned standing alone). In the case of many such words the strong form is also used when the word comes at the end of a sentence or phrase. An example of such a word is the
modal verb A modal verb is a type of verb that contextually indicates a modality such as a ''likelihood'', ''ability'', ''permission'', ''request'', ''capacity'', ''suggestion'', ''order'', ''obligation'', or ''advice''. Modal verbs generally accompany the b ...
''can''. When appearing unstressed within a sentence and governing a verb (as in ''I can do it''), the weak form is used. However the strong form is used: *when the word is stressed: ''I don't have to do it, but I can do it'' *when the word is phrase-final, i.e. without a governed verb: ''we won't be doing it, but they can if they want'' *when the word is referred to in isolation: ''The verb "can" is one of the English modals.'' In the case of most words with such alternative forms, the weak form is much more common (since it is relatively rare for function words to receive prosodic stress). This is particularly true of the
English articles The articles in English are the definite article '' the'' and the indefinite articles '' a'' and ''an''. The definite article is used when the speaker believes that the listener knows the identity of the noun's referent (because it is obvious, ...
''the'', ''a'', ''an'', whose strong forms are used within normal sentences only on the rare occasions when definiteness or indefiniteness is being emphasized: ''Did you find the cat? I found a ' cat.'' (i.e. maybe not the one you were referring to). The weak form of ''the'' is typically before a vowel-initial word (''the apple'') but before a consonant-initial word (''the pear''), although this distinction is being lost in the United States. A similar distinction is sometimes made with ''to'': ''to Oxford'' vs. ''to Cambridge'' . The exact set of words that have weak forms depends on dialect and speaker; the following is a list of the chief words of this type in
Received Pronunciation Received Pronunciation (RP) is the accent traditionally regarded as the standard and most prestigious form of spoken British English. For over a century, there has been argument over such questions as the definition of RP, whether it is geog ...
: :Always reduced: ::''a'', ''an'', ''and'', ''be'', ''been'', ''but'', ''he'', ''her'', ''him'', ''his'', ''just'', ''me'', ''or'', ''she'', ''than'', ''that'' (as conjunction), ''the'', ''them'', ''us'', ''we'', ''who'', ''you'', ''your''. :Reduced, but stressed at the end of a sentence: ::''as'', ''at'', ''for'', ''from'', ''of'', ''to'', ''some'', ''there''. :Reduced, but stressed at the end of a sentence and when contracted with the negative ''not'': ::''am'', ''are'', ''can'', ''could'', ''do'', ''does'', ''had'', ''has'', ''have'', ''must'', ''shall'', ''should'', ''was'', ''were'', ''will'', ''would''. In most of the above words the weak form contains schwa, or a syllabic consonant in the case of those ending , or . However, in ''be'', ''he'', ''me'', ''she'', ''we'', ''been'', ''him'' the vowel may be the reduced form of , or else ; and in ''do'', ''who'', ''you'' it may be the reduced form of , or . (For ''the'' and ''to'', see above.) These various sounds are described in the section above. The weak form of ''that'' is used only for the
conjunction Conjunction may refer to: * Conjunction (grammar), a part of speech * Logical conjunction, a mathematical operator ** Conjunction introduction, a rule of inference of propositional logic * Conjunction (astronomy), in which two astronomical bodies ...
or
relative pronoun A relative pronoun is a pronoun that marks a relative clause. It serves the purpose of conjoining modifying information about an antecedent referent. An example is the word ''which'' in the sentence "This is the house which Jack built." Here the r ...
(''I said that you can; The man that you saw''), and not for the demonstrative pronoun or adjective (''Put that down; I like that colour''). Another common word with a reduced form is ''our'', but this is derived through
smoothing In statistics and image processing, to smooth a data set is to create an approximating function that attempts to capture important patterns in the data, while leaving out noise or other fine-scale structures/rapid phenomena. In smoothing, the dat ...
rather than vowel reduction. Other words that have weak forms in many varieties of English include ''your'' (weakly pronounced as , or in rhotic accents), and ''my'' (pronounced or ). These are sometimes given the eye dialect spellings ''yer'' and ''me''. In highly formal registers with exaggeratedly careful enunciation, weak forms may be avoided. An example is
singing Singing is the act of creating musical sounds with the voice. A person who sings is called a singer, artist or vocalist (in jazz and/or popular music). Singers perform music (arias, recitatives, songs, etc.) that can be sung with or with ...
, where strong forms may be used almost exclusively, apart (normally) from ''a'', although weak forms may be used more frequently as tempo increases and note-values shorten. The vowel reduction in weak forms may be accompanied by other sound changes, such as
h-dropping ''H''-dropping or aitch-dropping is the deletion of the voiceless glottal fricative or "''H''-sound", . The phenomenon is common in many dialects of English, and is also found in certain other languages, either as a purely historical developmen ...
, consonant elision, and assimilation. For example, ''and'' may reduce to or just the syllabic consonant , or by assimilation with a following
velar Velars are consonants articulated with the back part of the tongue (the dorsum) against the soft palate, the back part of the roof of the mouth (known also as the velum). Since the velar region of the roof of the mouth is relatively extensive a ...
, as in ''lock and key''. Compare also definite article reduction. Synchronically, em'' functions as a weak form of ''them'', though historically it is derived from a different pronoun, the Old English ''hem''. The
homonym In linguistics, homonyms are words which are homographs (words that share the same spelling, regardless of pronunciation), or homophones ( equivocal words, that share the same pronunciation, regardless of spelling), or both. Using this definiti ...
y resulting from the use of some of the weak forms can lead to confusion in writing; the identity of the weak forms of ''have'' and ''of'' sometimes leads to misspellings such as "would of", "could of", etc. for ''would have'', ''could have'', etc. English weak forms are distinct from the clitic forms found in some languages, which are words fused with an adjacent word, as in
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...
''mangiarla'', "to-eat-it".


Notes


See also

*
English phonology Like many other languages, English has wide variation in pronunciation, both historically and from dialect to dialect. In general, however, the regional dialects of English share a largely similar (but not identical) phonological system. Amon ...
* Schwa *
Tenseness In phonology, tenseness or tensing is, most broadly, the pronunciation of a sound with greater muscular effort or constriction than is typical. More specifically, tenseness is the pronunciation of a vowel with less centralization (i.e. either mo ...
*
Vowel reduction In phonetics, vowel reduction is any of various changes in the acoustic ''quality'' of vowels as a result of changes in stress, sonority, duration, loudness, articulation, or position in the word (e.g. for the Creek language), and which are per ...
**
Vowel reduction in Russian In the pronunciation of the Russian language, several ways of vowel reduction (and its absence) are distinguished between the standard language and dialects. Russian orthography most often does not reflect vowel reduction, which can confuse f ...
*
Initial-stress-derived noun Initial-stress derivation is a phonological process in English that moves stress to the first syllable of verbs when they are used as nouns or adjectives. (This is an example of a suprafix.) This process can be found in the case of several dozen ...
s


References


Citations


Sources

* * * * * * * * * * * * * * * * {{Description of English English phonology Vowels