The pretty, red-haired girl works. If one clause in a sentence has more than one subject, it is called a compound subject . John and Mary went to the movies. John and Mary is a compound subject. Mary works .
Many predicates are action verbs.
An action verb indicates either an action of the body or of the mind. John ran home. John thought about the test. Predicates can also be linking verbs. A linking verb links the noun, pronoun, or adjective that follows it with the subject of the sentence.