Chomsky
generative and transformative grammar
generative grammar
PS rules, underlying structure
transformative grammar
transformations, surface structure
transformations
moves a lexical or phrasal category from one location to another within a structure
wh-movement
moves a wh- item into clause-initial position
I-movement
moves the tensed auxiliary verb to the left of the subject NP
structural ambiguity
when more than one structure can be assigned to a particular phrase (American history teacher)
phrase structure (PS) rules
principles that define the left-to-right sequence of items within a phrase