whom
01
誰を, 誰に
used to ask questions about objects or indirect objects in sentences
例
Whom did you invite to the party?
パーティーに誰を招待しましたか？
02
誰を, その人
used to refer to people in formal English, particularly when they are the object of a verb or preposition
例
He is the lawyer whom I consulted for legal advice.
彼は私が法律相談をした弁護士です。
03
誰を, その人
used to represent the person who receives the action of the verb in the relative clause as the subject or object of verb or preposition
例
This is whom you were looking for.
これはあなたが探していた人です。
