Functional grammar may refer to:
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Functional linguistics, a range of functionally based approaches to linguistics
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Functional discourse grammar, grammar models developed by Simon C. Dik that explain how utterances are shaped based on the goals of language users
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Systemic functional grammar
Systemic functional grammar (SFG) is a form of grammatical description originated by Michael Halliday. It is part of a social semiotic approach to language called '' systemic functional linguistics''. In these two terms, ''systemic'' refers to ...
, a grammatical description developed by Michael Halliday
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Danish functional linguistics, a strand of functional linguistics associated with linguists at the University of Copenhagen
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Lexical functional grammar, a variety of generative grammar initiated by Joan Bresnan and Ronald Kaplan.
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Role and reference grammar, a model of grammar developed by William Foley and Robert Van Valin, Jr.
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