Who 做主语，意思是“谁” Whose做定语，意思是“谁的” 比如: who is the girl?那个女孩是谁？ whose book is this?这是谁的书 Whom代词 pron. (who的宾格,用在正式的讲话及书面语中) 1. (用作疑问代词)谁,什么人 I know who you are and whom you represent. 我知道你是谁并代表谁。 2. (用作限定关系代词)...的人 I'll give my vote to the man in whom I have faith. 我将把我的选票投给我所相信的人。 She was the girl whom you met at the airport. 她就是你在机场遇见的那个女孩。 3. (用作非限定关系代词)他,她;他们,她们 My new neighbor, whom I introduced to you the other day, had a heart attack last night. 日前我介绍你认识的我那位新邻居昨晚心脏病发作。
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