Pronouns usually substitute for nouns and function as nouns, e.g., I, you, he, she, it, we, they, myself, this, that, who, which, everyone. Verbs express actions, occurrences, or states of being, e.g., be, become, bunt, inflate, run. Adjectives describe or modify nouns or pronouns, e.g., gentle, helpful, small.
Answer: a noun is a person, place, thing, or idea. For example, a bicycle. A pronoun takes the place of a noun. For example, that or he or it. An adjective modifies or describes a noun, such as new or ugly or broken.
