Phrase Structure Rules

These rules refer to rules to generate a large number of sentences with only a small number of rules. Below are the Phrase Structure Rules:

(1). S => NP + VP (=>: can be written as)

(2) Noun Phrase

Note: The curly bracket indicates choices.

(3) Auxiliary => tense (modal)(have+en)(be+ing)
(4) Tense

(5) Verb

VP => V.int + 0 NP   (ket: Zero)

          V.Tr.+NP+(prep+NP)

 V.int. verb intransitive, V.tr verb transitive

Transitive become V have + NP
Transitive V seem + Adv

(6) preposition
PP=> Prep NP

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See also:

Chomsky's Generative Linguistics: An Introduction

Linguistic Competence and Linguistic Performance

Deep Structure vs. Surface Structure

5 Definitions of Deep Structure

Phrase Structure Rules

Transformation Rules

Tree Diagram