Some verbs are action verbs because they show action. Verbs like run, play, jump, and smile are action verbs. Other verbs are linking verbs because they link the subject to an adjective or another noun. Any form of the existence verb to be is a linking verb. Forms of the verb to be include is, are, am, was, and were.
Each verb is either an action verb or a linking verb. Action verbs show action. Linking verbs show existence.
It’s your turn. Which of these sentences contains a linking verb with no action? Bob ran to school. Mary is a teacher. Did you choose the second sentence? Good for you!