This document defines and provides examples of adjectives, adverbs, adjective clauses, and adverb clauses. Adjectives modify nouns and answer questions like what kind, which one, and how many. Adverbs modify verbs, adjectives, and other adverbs and answer questions like how, when, where, and to what extent. Adjective clauses are dependent clauses that modify nouns or pronouns, often introduced by relative pronouns. Adverb clauses are dependent clauses that modify verbs, adjectives, or other adverbs and are introduced by subordinating conjunctions.