Pronoun-Antecedent Agreement Pronouns are a clear case of tit for tat. And this substitution is a good thing. Pronouns keep us from having to use the same word over and over. But there is a catch: You must ensure that each pronoun is an exact replica of the noun it  replaces, or else . . . . This video covers the definition and need for pronoun-antecedent agreement, several of the most common problems, and revision strategies for each. If you experience difficulty in playing the video below, copy and paste this URL into a new browser window: http://polaris.umuc.edu/ewc/mvids/pro_agreement/pro_agreement.html