Chomsky Grammers for Natural Languages

Hey diddle, diddle

The cat and the fiddle

The cow jumped over the moon

The little dog laughed

To see such sport

And the dish ran away with the spoon !

A Child's Nursery Rhyme

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Here is a very simple grammar for a bit of the English.

sentence:

noun phrase:

verb phrase:

verb:reads $\QTR{Large}{|}$ hits $\QTR{Large}{|}$ eats

article: a $\QTR{Large}{|}$ the

noun:boy $\QTR{Large}{|}$ book $\QTR{Large}{|}$ dog

Recognizing a sentence

Example : the boy reads a book

the boy

the boy

the boy $\QTR{Large}{\ }$ reads

the boy $\QTR{Large}{\ }$ reads a book

OF COURSE

the book reads a boy

IS ALSO GOOD "ENGLISH"!!