Pronoun   modifies   comes before nouns   Takes the place of a noun   an action which modifies a noun   In the sentence: Joe drives a blue Maverick. What P.O.S. is "blue?"   noun   pronoun   verb   adjective   Verb   modifier   action   object   person   In the sentence: Joe drives a blue Maverick. What P.O.S. is "Joe?"   noun acting as subject   pronoun taking the place of a noun.   modifier acting as a modifier   verb acting as an adverb   In the sentence: Joe drives a blue Maverick. What P.O.S. is "Maverick?"   verb   adjective   noun   pronoun