In the sentence: Joe drives a blue Maverick. What P.O.S. is "drives?"   pronoun   adverb   verb   noun   Adverb   actions   Modifier of verbs, nouns, adjectives   Person, place, thing, or idea   Modifier of verbs, adjectives, and other adverbs   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 "blue?"   pronoun   verb   adjective   noun   Pronoun   modifies   Takes the place of a noun   an action which modifies a noun   comes before nouns