who /hu:/ pron.谁(所有格whose, 宾格whom) ①作疑问代词：Who(m) were you speaking to? 你在对谁讲话? ②连接代词，引导名词性从句和不定式：I don’t know who that man is. 我不知道那个人是谁。It is still not decided who should be our manager. 谁当我们的经理还没有决定。 We can’t decide who to invite. 我们还没有定下来究竟邀请谁。［考句］The problem of whom to select as his successor was quickly disposed of.选谁做继承人的问题很快就解决了。 ③作关系代词，代表前面提到的人：The girl who spoke is my best friend. 讲话的那个女孩是我最好的朋友。The man (who)/(that) I saw is called Smith. 我见到的那个人叫史密斯。④用在it引起的强调句中：That evening it was George who left first.那天晚上是乔治先走的。
whoever /hu(:)ˈevə/ I. pron. 谁 ①连接代词，引导名词性从句(=anybody that)：Whoever comes will be welcome. 谁来都欢迎。Give it to whomever/whoever you like.你喜欢给谁就给谁。［考句］We agreed to accept whoever they thought was the best tourist guide.我们同意接受任何人，只要他们认为是最好的导游(whoever引出宾语从句，充当主语)。 ［考句］ They always give the vacant seats to whoever comes first.他们总是把空的座位让给任何先来的人。②疑问代词(比who语气重)：Whoever said that? 是谁讲的那话? Whoever can that be knocking at the door? 敲门的能是谁呢? ‖II. conj.不管是谁 (引出状语从句，= no matter who)：Whoever rings, tell him (them) I’m out. 不管谁来电话，告诉他(们)我不在家。
whom /hu:m/ pron.(who的宾格)谁 ①疑问代词，引导疑问句(whom 置于句首时，口语中往往用who): Who(m) did you see? 你见到了谁? Of whom are you speaking?你说的是谁? ②连接代词，引导名词性从句和不定式：Tell me who(m) you see. 请告诉我，你见了谁。He does not know who(m) to believe.他不知道该相信谁。③关系代词，引导定语分句：She’s the lady (who/whom) we met yesterday. 她就是我们昨天所遇到的那位女子。
whose /hu:z/ pron. 谁的 ①疑问代词，引导疑问句：Whose picture is it?这是谁的画? ②连结代词，引导名词性分句：I wonder whose house that is. 我不知道那所房子是谁的。③关系代词，引导定语分句，作定语：The girl whose work got the prize is the youngest in her class. 其作品得奖的那个姑娘是她班上年纪最小的。［考句］Beer is the most popular drink among male drinkers, whose overall consumption is significantly higher than that of women.啤酒是男士们最喜爱的饮料，他们的消费总量比女性的要多得多。［考句］ The residents, all of whose homes had been damaged by the flood, were given help by the Red Cross.那些房屋全部被洪水毁坏的居民得到了“红十字会”的救济。
