[أبو أحمد%]

Question; Define and give one example for the following: (4 marks)

1- Lexicon
Mental dictionary which includes meaning, sound pattern, grammatical category and idiosyncratic stuff.
Example: The past tense of find = found

2- Phrase Structure Rules (PS Rules)
Rules stating that the structure of a phrase of a specific type consists of one or more constituents in particular order.
Example: She is smart
S= NP VP
NP= N she (AP) smart
VP= is