Who-Whom | Commonly Confused Words

Who

/huː/

Asking for information about someone's identity.

Who are you?There will be no doubt about who killed the King.And I, who of his colour was aware, Said:

A word used instead of 'who' in certain grammatical contexts, often to refer to the object of a verb or preposition

But by whom?And the name of the family with whom she lived.Who were those with whom I played?

This word has no antonyms

Who is used when the person is a subject of the sentence.
Whom is used when the person is an object within the sentence.
If you can replace the word with he or she, use who.
If you can replace it with him or her, use whom.
Rephrase by answering the question: Whom does not fit if the verb's action is not applied to the person.