复合不定代词
用法 指物 指人
用于肯定句中 something 某物 somebody 某人 someone 某人
用于疑问、否定句中 anything 任何事物 anybody 任何人 anyone 任何人
本身是否定 nothing 无物 nobody 无人 no one 没有人
用于肯定、疑问 everything 任何事物 everybody 每人，人人 everyone 每人，人人
【用法】
(1) 这些代词都作单数看待，作主语时，句子的谓语动词要用单数形式。例如：
Is there anything wrong? 有什么毛病吗？
Everybody/Everyone is interested in the subject. 谁对这个问题都感兴趣。
(2) somebody/ someone, something和nobody/no one, nothing一般用在肯定句中，在否定句和疑问句中一般用 anybody/anyone, anything。例如：
I talked to someone. He didn’t talk to anyone. 我找人谈过。他谁也没谈。
(3) 复合不定代词可以有形容词修饰作定语，但必须放在不定代词的后面。例如：
The boy wants to find something interesting to read in the book.
那个孩子想从书中找点有趣的东西读读。
There is something wrong with his watch. 他的手表出现了故障。
(4) 和some一样somebody, someone, something有时也用在疑问句中，含有肯定的意思（表示请求、建议或反问等）。例如：
Why don’t you ask somebody to help you? 你干吗不找谁帮帮你？
Will someone go and get something to eat? 谁能去找点儿吃的来吗？
(5) anybody, anyone, anything 用在肯定句中时，意思是“任何人”、“任何事”等意思。例如：
Anybody who wants to can join us. 任何人想参加都行。
I would do anything for this. 我愿意为此做任何事情。
(6) 含everything, everybody, everyone用于否定句中，表示不完全否定。
I don’t think everyone likes sandwiches. 我认为不是每个人都喜欢三明治。
【真题演练】
① --Have you got______ready for the sports meeting?--Not yet. We still have_____to do.(2010成都市)
A. anything; nothing B. something; everything C. everything; something
② She is new here, so we know about her. (2010 .河北省)
A. nothing B. something C. anything D. everything
③ --How many students like this song? --________of us likes it. It sounds terrible. (2010黄冈市)
A. None B. Nobody C. Every one D. All
④ Whatever you do, ________ is difficult if you put your heart into it. (2010莱芜市)
A. nothing B. anything C. something D. everything
⑤ There is ______ wrong with this computer. It doesn’t work well. (2010北京市)
A. something B. anything C. everything D. nothing
⑥ --The exam was very easy, wasn’t it?--Yes, but I don’t think ________would pass it. (2010十堰市)
A. somebody B. anybody C. everybody D. nobody
⑦ -- Where is my notebook ?
-- I don’t know. It isn’t here. Maybe _______ took it away by mistake. (2010襄樊市)
A. everybody B. nobody C. anybody D. somebody