Lesson: Nouns, Adjectives, Verbs, and Adverbs 1. Understanding the Four Parts of Speech Nouns: Words that name a person, place, thing, or idea. Examples: teacher, park, apple, happiness. Adjectives: Words that describe nouns. They give more information about the noun (size, color, quantity, etc.). Examples: beautiful, tall, red, three. Verbs: Words that show action or a state of being. Examples: run, think, is, become. Adverbs: Words that describe verbs, adjectives, or other adverbs. They often tell how, when, where, or to what extent. Examples: quickly, yesterday, here, very.