who
subject pronoun
the one doing the action
“Who wrote this?”
Grammar choices
who vs whom
Who is a subject (does the action); whom is an object (receives the action or follows a preposition).
whom
object pronoun
the one receiving the action
“To whom should I address the letter?”
Try it: which word fits?
Drop each word into the blank. The explanation tells you why one works and the other doesn't.
______ is going to the meeting?
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Five new sentences written for you by AI each time you ask. Pick the right word for each blank.
Questions about who vs whom
What is the difference between who and whom?
Who is a subject (does the action); whom is an object (receives the action or follows a preposition).
How do I remember who vs whom?
Answer the question with he or him. He = who, him = whom (both him and whom end in m).
Are there exceptions?
In casual speech "who" is widely accepted in object position ("Who did you see?"). In formal writing, and always straight after a preposition, use whom.
Is there a quick test?
Rephrase with he/him: "we hired him" means whom.
Still unsure?
Paste your own sentence and the tutor will explain which word it needs, and why.