高一英语-unit-4-astronomy-grammar教程文件

1、高一英语-Unit-4-astronomy-grammar 1.定义定义 主语从句是主语从句是在复合句中充当主语的从句在复合句中充当主语的从句。2.引导词引导词连词连词 that, whetherthat, whether连接代词连接代词 who(ever),whom(ever), who(ever),whom(ever), which(ever),what(ever) which(ever),what(ever)连接副词连接副词 where ,when ,why ,howwhere ,when ,why ,how引导词引导词(1)连词连词1) that 在从句中不作成分，无词义，在从句中不作

2、成分，无词义，不可省不可省 That China will become stronger is certain.2） Whether 不作成分，意为不作成分，意为“是否是否” Whether life exists on other planets is not clear. 引导词引导词(2)连接代词连接代词连接代词连接代词：who, whom, whose, what, which，whoever“无论谁”, whatever“无论什么”, whichever“无论哪个” 在从句中做成分（主、宾、表、定）who will host the meeting hasnt been decid

3、ed. What you said just now is not true.Whoever he is doesnt matter.Whose car runs faster is obvious. 主主宾宾表表定定引导词引导词(3)连接副词连接副词 when, where, why, how 有词义，在从句中作状语 How the accident happened is not clear. When the biologist found the theory is not clear. 3. 3. 用用itit作形式主语的主语从句作形式主语的主语从句It be + 形容词形容词 +

4、that从句 It is obvious that the girl is telling lies.It be + 名词词组名词词组 + that从句 It is a pity that you cant go with us.It be + 过去分词过去分词 + that从句 It is reported that a violent earthquake happened in Japan.It + 不及物动词不及物动词 + that从句 It happened that he was out that day.(5) It + 及物动词及物动词+ sb.+ sb. + that从句 I

5、t shocked me that he didnt tell anyone the news.注意事项注意事项陈述语序时态一致谓语动词单复数 When we shall go has not been decided. When they will start and where they will go have not been decided yet. When and where the meeting will be held has not been decided yet. What I need is money. What I need are books.注意事项注意事项

6、4. Whether 和 if 的区别 在用it作形式主语的主语从句中，if可以和whether替换 It is not decided yet whether(if) they will sell the house. 在从句句首或者后面有or not 时，只能用 whether whether they will sell the house is not decided yet.2. _ they can solve the question is still unknown. A. If B. Which C. Whether D. What3. _ he said at the me

7、eting astonished everybody. A. Why B. What C. That D. Who4. _ is a fact that English is accepted as an international language. A. There B. This C. That D. It1. _ we need more practice is quite obvious. A. What B. That C. When D. /1. _ wants to stay in a hotel has to pay their own way. (浙江浙江 2008)A.

8、AnyoneB. The oneC. WhoeverD. Who2. _ matters most in learning English is enough practice.(2007 全国全国卷卷) WhatB. WhyC. WhereD. Which3. _ fashion differs from country to country may reflect the cultural differences from one aspect. (上海上海 2002春春)A. WhatB. That C. ThisD. Which4. _ well go camping tomorrow

9、 depends on the weather. (NMET 1996)A. IfB. WhetherC. ThatD. Where【常见错误展示常见错误展示】下列各句均有一处下列各句均有一处错误，请改正并分析错误的原因。错误，请改正并分析错误的原因。1. Light travels faster than sound is common knowledge.2. If shes coming or not doesnt matter much.Thatthat虽无词义但引导主语从句位于虽无词义但引导主语从句位于句首时不能省略。句首时不能省略。Whetherif, whether都可表示都可表

10、示“是否是否”, 但但if不能引不能引导位于主句之前的主语从句，它可以引导导位于主句之前的主语从句，它可以引导位于主句之后带有形式主语位于主句之后带有形式主语it的主语从句。的主语从句。3. That the professor said is of great importance.4. Where will the trees be planted has not been decided.Whatthat引导主语从句时无词义。引导主语从句时无词义。What the professor said表示表示“教授所说的教授所说的”。将将will置于置于trees之后。主语从句要之后。主语从句要

11、用陈述句语序。用陈述句语序。5. No matter who breaks the rule will be punished.6. When and where the meeting will be held still remain a question.引导让步状语从句时二者可互换，但引引导让步状语从句时二者可互换，但引导名词性从句时只能用导名词性从句时只能用whoever。Whoever 主语从句表示单一概念时，谓语要用主语从句表示单一概念时，谓语要用单数形式。单数形式。remains7. It was requested that everyone made a speech at the meeting.在在“It is requested /commanded/insisted/ ordered / s