Pronunciation change

Pronoun change

Pronoun
whom

  1. (question) Whom is the object form of who.
  2. (relative) Whom is the object form of who.

Usage change

Whom is an object pronoun, but who is both a subject pronoun and an object pronoun. In both spoken and most written English, who is often used as an object, but a few people think only whom can be an object.