1. Who vs. Whom OE 106

2. Who and Whom  These pronouns are both interrogative pronouns (used in asking questions) and relative pronouns (used to refer to a noun in the main clause).  Who is going? (Interrogative.)  Mr. Sears is the one who is going. (Relative, referring to one.)

3. Who is the Subjective Form  Use who whenever he, she, they, I, or we could be substituted in the who clause. Who is arranging the teleconference? (She is arranging the teleconference.) Whoever wins the primary will win the election. (He wins the primary.)

4. Whom is the Objective Form  Use whom whenever him, her, them, me, or us could be substituted as the object of the verb or as the object of a preposition in the whom clause.  Whom did you squash today? (You did squash him today.)  I will hire whomever I can find. (I can find him.)