sentence

verb phrase

intransitive

transitive

mono transitive

ditransitive

complex transitive

copulative

prepositional

mono prepositional

diprepositional

verb_group

NP|AP|PP

NP|PP

noun phrase

proper_name

pronoun

N-bar-bar

prepositional phrase

adjectival phrase

yyy

N-bar

noun

prepositional_specifier

preposition

determiner

Advpbar

degree

adverbial_phrase

adverb

adjective