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在复合句中充当同位语。
1. that引导同位语从句。
在下列名词后可用that引导同位语从句answer, belief,doubt, fact, hope, idea, information, knowledge, law, news, opinion, plan, suggestion, thought, truth等。
I had no idea that you were here.
The story goes that william killed his wife.
注意
①同位语从句引导词that无含义，不充当成分，不可省略。
②同位语从句与其说明的名词或代词为同一内容,故可以用is把前边的中心词和从句连接成一个句子。
③同位语从句前一般没有逗号。
that引导同位语从句与引导定语从句的区别：
that引导同位语从句时只起连接作用，不充当任何成分；
that引导定语从句时，在从句中要作成分，如主语、宾语等。
①He told me the news that our team won.（that引导同位语从句）
②The news that / which he told me was very exciting.（that引导定语从句，在从句中作宾语）
2.在no idea, question, problem等后可用wh-疑问词引导同位语从句，if不引导同位语从句。
I have no idea where he has gone. i have no idea what he said.
3.辨析:引导名词性从句时what与whatever, who与whoever的区别：
what 与whatever：
What you want has been sent here. ( what = the thing(s) that/all that/anything that特指)
Whatever you want makes no difference to me.(whatever = anything that泛指)
What caused the accident was a broken bottle.（特指）
Whatever caused the accident has not yet been found.（泛指）
who 与whoever ：
Who will go to beijing on business has not been decided.(who表疑问，表示“谁”，“哪一个”)。
Whoever breaks the law should be punished.(whoever = anyone who，表示“无论哪个人”) |
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发表于 2016-8-9 09:19:00