This document discusses pronouns and pronoun shifts. It defines pronouns as words that substitute for nouns to avoid repetition. Common pronouns include he, she, they, it, we, and who. The document provides examples of sentences with and without pronouns. It then explains that a pronoun shift occurs when a writer switches between pronoun types like first person to second person within a sentence, which can confuse readers. Examples are given of incorrect pronoun shifts and how to correct them. The document concludes with practice identifying pronoun shifts in sample sentences and creating an original sentence with a shift.