Coordinate Structure Constraint

The coordinate structure constraint is a rule for transformations, which states that extraction out of a coordinate structure is prohibited. The CSC specifies permissible transformations given any grammatical sentence with a coordinate structure. A coordinate structure is made up of two or more noun phrases joined by conjunctions such as 'and.'

For example, from the sentence 'He plays guitar and saxophone,' we can extract 'Guitar and saxophone, he plays' but not 'Saxophone, he plays guitar and'. The former is grammatical, the latter is not.

See Also: Transformational Grammar

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