English Grammar: Who or Whom

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Use "WHO" if the question or statement refers to a "HE" or "SHE".

• Who gave this to you?  (HE did.)
• I don't know who will come.  (HE will come.)

Use "WHOM" if the question or statement refers to a "HIM" or "HER"

• Whom did you meet?  (I met HER.)
• I seek someone whom I heard laughing.  (I seek HER.)