The Compound Subject Know how to identify a compound subject. To understand compound subjects, you must first know the definitions for verbs and subjects.
Verbs have two functions in sentences.
Action verbs put subjects into motion. Linking verbs , on the other hand, clarify subjects in meaningful ways. Having missed breakfast, Mariko was ravenous with hunger. All verbs must also have a subject . For action verbs, the subject is whoever or whatever does the verb.