This document discusses subject and object pronouns. It defines subject pronouns as pronouns in the nominative case that are used as the subject of a sentence, such as "I", "you", "he", "she", "it", "we", and "they". It defines object pronouns as pronouns in the objective case that are used as the object of a verb or preposition, such as "me", "you", "him", "her", "it", "us", and "them". Examples are provided to illustrate the difference between subject and object pronouns. Readers are asked to identify subject and object pronouns in different sentences. The document emphasizes memorizing