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
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwGHIYZaYV51pUSkshRKomT76DJ24obHZTHQWiWXxGGUTqKZlWiLvDfjq0zcXx8pLq4cxYKOqUiZp_YKzT_2xPXPxLlg2YNj4X6bPv7rcsWtazHZA-8MmQoBrLtijJpZjrfhREQGdO3CxO/s1600/phrase+structure2.png)
(5) Verb
VP => V.int + 0 NP (ket: Zero)
V.Tr.+NP+(prep+NP)
Transitive become V have + NP
Transitive V seem + Adv
(6) preposition
PP=> Prep NP
Transitive V seem + Adv
(6) preposition
PP=> Prep NP
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See also:
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