This document defines and provides examples of different parts of speech in English including nouns, verbs, adjectives, adverbs, and prepositions. Nouns name people, places, things, and ideas. Verbs express actions and states of being and are critical elements of sentences. Adjectives provide more description of nouns, and adverbs modify verbs, adjectives, other adverbs, phrases, or clauses. Prepositions link nouns, pronouns, and phrases to other words in sentences. Examples are given for each part of speech to illustrate their usage.