The document is a lesson about verbs that shows action. It provides examples of verbs like sing, shout, clap, wiggle, and turn around. It then gives step-by-step instructions on how to identify the subject and verb in a sentence by asking what the subject is doing. Several examples are provided like "The dog barked" where the subject is the dog and the verb is barked, showing the dog's action. More examples are given practicing this concept with subjects like a lion, lighthouse, snowman, and Mrs. Smith.