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1、名词性从句-主语从句导学案 学习目标 1. 了解名词性从句的概念，能判断出复合句中是否含有名词性从句，能根据语法功能区分出各类名词性从句。2. 了解并掌握主语从句的语法功能及用法。3. 了解并掌握it作形式主语的各种句型结构，能区分与it引导的强调句型的不同。4. 了解并掌握主语从句连接词的使用特例，带-ever的连接词引导的主语从句在复合句中的位置。 学习过程 语法导入一、名词性从句的概念及语法功能概念：在句子中起 _ 作用的句子叫名词性从句。名词性从句的功能相当于名词词组,它在复合句中能担任 _ 等, 因此根据它在句中不同的语法功能,名词从句又可分为_。【即时巩固练习】划出下列句子中名词性
2、从句，并判断其属于哪种名词性从句？Who will win the match is still unknown. I want to know what he has told you. The fact is that we have lost the game. The news that we won the game is exciting. 二、名词性从句的连接词（一）引导名词性从句的连接词可分为三类:连接词/从属连词that, whether, if连接代词: what, whatever, who, whoever, whom, whose, which连接副词: when,w
3、here,how,why（二）不可省略的连接词：1、 介词后的连接词 2、引导主语从句和同位语从句的连接词不可省略。【即时巩固练习】1） 她被选中了令我们很开心。2） 我们听到消息说我们队赢了。语法讲解【主语从句】一、主语从句的语法功能在复合句中作_ 的从句叫主语从句。 二、主语从句的连接词主语从句通常由从属连词_, 连接代词_和连接副词_等词引导。注意：1. 陈述句必须以that 引导, 不能省略。2. 主语从句只能用whether引导，不能用if引导。3that与what均可引导主语从句，但有时要根据句意选去适当的连接词。注意：that在从句中不充当任何成分，没有意思；what在从句中充当
4、主语或宾语，意思是：（所）的4连词that, whether在从句中不担任句子成分,只起连接作用,不能省略。 三、主语从句的用法（一）主语从句在复合句中充当主语，句子的谓语动词用_, what引导主语从句时，谓语动词由句意决定其单复数。【即时巩固练习】1）他为什么拒绝与你们一起工作仍然另我很困惑。2）我们是一起走还是分开走关系不大。（二）主语从句可以放在谓语动词之前，但多数情况下_, 把主语从句放在主句之后。what, whatever, whoever等引导的主语从句一般不后置， if引导的主语从句只能放在_。【即时巩固练习】1）众所周知我们热爱和平。2）无论谁来了都解决不了问题。四、用it
5、作形式主语的各种句型结构主语从句可以位于_, 但多放在_, 用it作形式主语，代替真正的_。【即时巩固练习】1）That the earth is round is true. = _. 2）_. = It hasnt been decided whether he will come.（一）常见it作形式主语的各种句型结构：1、 It is名词从句例如：2、It is形容词从句 (多用 should)例如：3、 It 不及物动词从句例如：4、 It is 过去分词从句例如：【即时巩固练习】1）可以肯定的是他会来的。2）据说一些美国友人下周将来参观我们学校。3）昨天晚上我们碰巧出去散步了。4）
6、我留下与否都没有关系。（二）it 作形式主语和it引导强调句的比较it 作形式主语代替主语从句,主要是为了_, 主语从句的连接词有变化。而it引导的强调句则是对句子某一部分_,无论强调的是什么成分,都可用连词_。被强调部分指人是也可用who/whom。【即时巩固练习】判断:1 It is a pity that you didnt go to see the film.2 It doesnt interest me whether you succeed or not.3 It is in the morning that the murder took place.4 It is John
7、that broke the window.五、用带-ever的连接词引导的主语从句一般不后置 Whoever leaves the room last should close the door. Whatever we do must be in the interests of the people.【whatever, whoever, whichever 引导的主语从句的区分】 whatever是 what 的强调形式，表示“无论什么”。例如： Whatever she does is ridiculous whoever是who 的强调形式，表示“无论谁；任何的人”。例如： Who
8、ever walks around in such a heavy rain will catch a cold whichever“无论哪个; 无论哪些”, 既指人, 也指物; 可以单独使用, 可以修饰名词, 也可以后跟of 短语。例如： Whichever of us fulfils his task first will lend a hand to others Whichever book you borrow doesnt matter to us 六、语法小测1._ makes mistakes must correct them. A. What B. That C. Whoe
9、ver D. Whatever2. It worried her a bit _ her hair was turning grey.A. while B. that C. if D. for 3.When and why he came here _ yet.A. is not known B. are not known C. has not known D. have not known4. _ is no reason for dismissing her.A. Because she was a few minutes late B. Owing to a few minutes l
10、ateC. The fact that she was a few minutes late D. Being a few minutes late5. _ Tom liked to eat was different from _.A. Thatthat you had expected B. What that you had expectedC. Thatwhat you had expected D. Whatwhat you had expected6._ we go swimming every day _ us a lot of good.A. If.do B. That.do
11、C. If.does D. That.does7.It _ Bob drives badly.A. thinks that B. is thought what C. thought that D. is thought that8.Its uncertain _ the experiment is worth doing.A. if B. that C. whether D. how9._ the boy didnt take medicine made his mother angry.A. That B. What C. How D. Which10._ we cant get seem
12、s better than _ we have.A. What, what B. What, that C. That, that D. That, what11._ you dont like him is none of my business. A. What B. Who C. That D. Whether12._ well go camping tomorrow depends on the weather.A. If B. Whether C. That D. Where13._is going to do the job will be decided by the Party
13、 committee.A. That B. Why C. How D. Who14._well finish translating the book depends on the time.A. When B. Why C. What D. That15._he wont go there is clear to all of us.A. How B. What C. Why D. This16._the house will be built will be discussed at tomorrows meeting.A. If B. Where C. That D. What17. ._you come or not is up to you.A. What B. If C. Why D. Whether18._makes mistakes must correct them.A. Who B.
