What Is The Difference Between Who And Whom. Whom is never the subject of a verb. On the contrary whom is an objective pronoun that highlights the object of the verb.
Whom is used when the answer to your question is an object whereas who is used when its the subject of the sentence. Whom are you going to ask to the party. George pointed at a person across the street and asked joe who is he Joe replied who In this situation who is in place for he.
Once we understand that who always functions the subject and that whom always functions as the object well understand that To whom am I speaking is correct because whom is the object of the preposition to.
Compare this to He saw him Who is the subject of a verb like he. Is a Subject Pronoun Who. This page has lots of examples explaining the difference between who and whom as well as interactive exercise. Generally replaces the direct object also known as the accusative case.
