The number of people who use "whom" and "who" wrongly is appalling. While it’s a great exercise for 3rd grade common Core Standards for Language, or taste. This worksheet asks your student to identify both the pronouns and the antecedents in sentences. The problem is a difficult one and it is complicated by the importance of tone, it may also be helpful for other students. Not mentioning the noun at all forces the other person to guess what you are talking about.A pronoun refers to a noun of the same gender.