A verb or compound verb tells something about the subject of the sentence and express actions, events, or states of being. The verb or compound verb is the critical element of the predicate of a sentence
A pronoun can replace a noun or another pronoun. You use pronouns like "he", "which", "none", and "you" to make your sentences less cumbersome and less representives.
Ex:I was glad to find the bus pass in the bottom of the green knapsack.