Phrase Structure Grammar (also known as PS Grammar) is a type of grammar discussed by Noam Chomsky in his book Syntactic structure (1957) as an illustration of a generative device. It is a component of his Transformational Grammar (also known as Transformational Generative Grammar). PS Grammar contains rules which are not only capable of showing the constituents/ terminal elements/components of a linear structure (sequential order of an ultimate constituent) but also of specifying the rules that help to bind the parts together to arrange the sequence. That means, in such grammar the linguists are basically interested:
S → NP+VP
NP → Determiner+N
VP → Verb+NP
The sentence “The man captured a bird” can be analysed in terms of the following PS rules and a tree diagram or phrase marker:
S → NP+VP
NP → Det+N
VP → V+NP
N → man, bird
Det → the, a
- in the constituent parts of a sentence,
- in the syntactic devices used to link the constituents together, and the ways in which various parts relate to each other.
S → NP+VP
NP → Determiner+N
VP → Verb+NP
The sentence “The man captured a bird” can be analysed in terms of the following PS rules and a tree diagram or phrase marker:
S → NP+VP
NP → Det+N
VP → V+NP
N → man, bird
Det → the, a
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