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Examples :
1. That he was chosen made us very happy. 2. Whether she will come or not is still a question. 3. Who will go is not important. 4. What we need is more time. 5. Which team will win the match is still unknown. 6. When they will start has not been decided yet. 7. Where she has gone is not known yet. 8. How he became a great scientist is known to all. 9. Why he did it wasn’t quite clear. 10. Is what you told me really true?
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主语从句放在句首，句子显得笨重，因 此一般把它移到句子后面，前面用It is a pity that she has made
such a mistake. 12. It’s strange that he didn’t come
yesterday. 13.It is said (reported/decided…)
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同位语从句
The Appositive Clause
同位语从句在句中作同位语，它一般要放在主句 中某些名词（如thought, idea , fact, news, suggestion, plan, be lief, doubt, fear）的后面，说 明这些名词所表示的具体内容。引导同位语语从 句的有连词that，连接副词how，when, where等。
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名词性从句
主语从句、表语从句、宾语从句和 同位语从句在复合句中的作用，相 当于名词。因此这四种从句统称为 名词性从句。
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主语从句 The Subject Clause
主语从句在复合句中作主句的主语。引导主语 从句的词有连词that, whether；连接代词 who, what, which；连接副词when, where, how, why等。
B）由连词whether或if 引导 (口语中常用if ).
29. I want to know whether(if ) he lives there. 30. He asked me whether(if ) I could help him.
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A）由连词that引导，that本身没有意义，在口语 和非正式文体中常省去。如：
24．I really believe (that) Jim was telling the truth. 25. I am sure (that) no harm will ever come to you. 26. He began thinking (that ) he could learn it well. 注：①当主句的谓语动词是thinke （认为），
20. The idea that the earth is round is not a new one.
21. He must answev the question whether he agrees to it or not.
22. I have no idea when he will be back.
Grammar ： Noun Clauses
外语学院 英师02 杨兴隆67
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Ⅰ.分析下列句子成分： 1. When we’ll have the meeting is not knowan yet. 2. The question is when we’ll have the meeting. 3. I have an idea when we’ll have the meeting. 4. Please tell me when we’ll have the meeting.
believe（相信）， expect（期待）， suppose（猜 想）， imagine （想象）等时，如果宾语从句要表 示否定意义，往往通过主句的否定式来实现。如： 27．I don’t think(that) he will come. ②有两个宾语从句从句并列时，有时省去引导第一 个从句的连词that，但引导第二个从句的 that 不能 省略。如： 28．His teacher said the book was very interesting and that it was worth reading。
that…. It seems(happened/doesn’t matter…)that…
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表语从句 The Predicative Clause
表语从句在复合句中作主句的表 语。引导表语从句的词有连词 that,whether,as if；连接代词 who, what,which；连接副词 when, where, how, why等
23. The whole truth came out at last that he was a wolf in sheep’s clothing.
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宾语从句 The Object Clause
宾语从句在复合句中作主句的宾 语。它既可以作谓语动词的宾语， 也可以作介词，非谓语动词（动 词不定式动名词和分词）的宾语。 宾语从句通常由下面一些词引导：
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Examples: ➢14.The question is whether it is worth doing. ➢15. It looked as if it was going to rain. ➢16. That’s what it is . ➢17.That is where he was born. ➢18. This is how he did it. ➢19. That is why he was late.