This document discusses personal pronouns and their roles as subjects and objects in sentences. It defines subjects as the person or thing performing the action and objects as the person or thing receiving or affected by the action. Examples are given of transitive verbs that take both subjects and objects, such as kick, want, and eat. Common subject and object pronouns like I, you, he, she, it, we, they, me, him, her, us, and them are also listed.