高中英语选择性必修二 Unit 2 Bridging Cultures Period 3 Discovering useful structures 学案（原卷版）

1、Unit 2 Bridging Cultures Period3 Discovering useful structures复习名词性从句导学案1. to judge the compound sentences and determine the composition of the clauses in the sentence.2. to try to learn grammar by generalizing grammar rules, controlling written practice, and semi-open oral output.3. to systematize

2、the function and usage of noun clause.1: 从课文中找出更多的名词性从句，对其进行归纳，总结其语法特点。_语法要点:_2:划出以下讲义中例句的名词性从句，并口头翻译成汉语。 (一)主语从句主语从句是指在句中作主语的从句，位置与陈述句的主语相同。Whether the sports meet will be held is not certain now. 名师点津若主语部分结构较长，可以使用形式主语it，把真正的主语从句放于后面。That she will do well in her exam is certain.It is certain that

3、she will do well in her exam. How we understand things has a lot to do with what we feel.That he had met a kind librarian in the city library gave us no surprise.Every year, whoever makes the most beautiful kite will win a prize in the Kite Festival.What he had said surprised everyone present.It see

4、med that he had donated all his money to those in need. (二)宾语从句Everyone knows that the earth is made up of matter. She asked me whether I had returned the books to the library, and I admitted that I hadnt.I dont know where I can place my luggage We discussed whether we should use the money to buy a

5、new house.Im not certain whether the train will arrive on time.注意：形容词后跟宾语从句的用法只限于少数动态形容词，如sure(确信)，certain(肯定)，afraid(担心)，confident(有把握的)等。注意(1)宾语从句的否定转移：think、believe、suppose、 imagine等动词后的宾语从句中的否定词要转移到主句中，即主句的谓语动词用否定式，而从句的谓语动词用肯定式。I dont think we need to waste much time on it.。(形式上否定主句，实际上还是否定从句)(2

6、)“doubt宾语从句”的应用。肯定句中用whether或if，否定句和疑问句中用that。I doubt whether he can pass the exam. I dont doubt that he can pass the exam. Do you doubt that he can pass the exam? (三)表语从句1表语从句在复合句中作表语，出现在连系动词之后，一般结构为“主语连系动词表语从句”。2表语从句实际上是对主语进行补充说明，从句表达的是主语的内容。The fact is that he didnt notice the car until too late.

7、3主句的主语是名词idea、advice、suggestion、order、request、requirement等时，表语从句应用虚拟语气，即谓语动词用“(should)动词原形”。My suggestion is that we (should) have a discussion about this matter instead of setting it aside.The most pleasant thing of the rainy season is that one can be entirely free from dust.This is because about s

8、eventy-one percent of its surface is covered by water.名词性从句连接词(一)that、whether和if1连接词thatthat引导从句时，本身无意义，在从句中不充当成分。但是that在引导主语从句、表语从句时，一般不能省略。例如：That he suddenly fell ill made us surprised.。The fact is that we are behind other groups.在引导宾语从句时，常被省略；但是以下两种情况除外：(1)多个并列从句出现时，第一个that可以省略，其他的不能省略。She said

9、(that) she would come here and that I should wait for her till Monday. (2)含有形式主语it时，放于后面的宾语从句不能省略that。They made it clear to the public that they did an important and necessary job.2连接词whether和if(1)连接词whether/if在从句中意为“是否”，不充当成分，一般不能省略。(2)在主语从句中位于句首时只能用whether；当用it作形式主语时，whether与if都可以。Whether he passe

10、d the exam was not certain.It was not certain whether/if he passed the exam. (3)表语从句中常用whether。The question is whether we should ask them for help. (4)宾语从句中连接词whether和if常常可以互换。I wonder whether/if hell agree with me. 点津宾语从句中用whether不用if的三种情况：(1)与or not连用We dont know whether Tom will turn up at the me

11、eting or not. (2)位于介词之后Everything depends on whether you are for it. (3)位于动词不定式之前I dont know whether to believe him. (二)连接代词what、 which、who、whom和whose连接代词what、which、who、whom和whose在从句中的意义分别为“所”“哪一个”“谁”“谁”“谁的”；在从句中起代词的作用，可作主语、表语、宾语或定语。Thats what we have said.(作宾语) Do you know which of the boys was lat

12、e? (作主语) Who will come to give the talk is known to us all.(作主语) The problem is whom the headmaster will send to deal with it.(作宾语) Do you know whose Tshirt it is？(作定语)点津连接代词what、 which的区别：which引导主语从句时需要限定一个有限的、较小的范围，而what指在一个较广的范围内进行选择或者根本没有范围。Which of the boys broke the window is already known.I d

13、ont know what books the children can read.(三)连接副词when、where、why和howwhen意为“何时”，在从句中作时间状语；where意为“哪里”，在从句中作地点状语；how意为“如何”，在从句中作方式状语；why意为“为什么”，在从句中作原因状语。When well set off for home hasnt been decided yet. That was where I spent my holiday. Nobody knew how she got the prize. This is why we put off the m

14、eeting. (四)复合连接词whatever、whichever、whoever和whomever连接代词whatever、whichever、whoever和whomever在从句中的意义分别为“无论什么” “无论哪一个” “无论谁” “无论谁”；在从句中起代词的作用，可作主语、宾语或定语。Whatever I have is at your service. Ill take whichever picture you dont want. Whoever breaks the law should be punished. Whomever you invite will be we

15、lcome. 名师点津(1)whatever、whichever、who(m)ever既可引导名词性从句，又可引导让步状语从句；no matter what、no matter which、no matter who(m)只引导让步状语从句。Whichever/No matter which dictionary you want to buy, Ill pay for it.无 (2)wherever (no matter where); whenever (no matter when); however (no matter how)一般引导让步状语从句。However/No matte

16、r how tough the problem may be, Ill work it out by myself.三：背过以下常用句型。it作形式主语或形式宾语的名词性从句(一)主语从句中以it作形式主语的四种常用句型1It 不及物动词的适当形式从句It seems that .好像是It happened that . 碰巧It follows that . 由此可见It has turned out that . 结果2Itbe及物动词的过去分词从句It is said that . 据说It is reported that . 据报道It is believed that . 人们认

17、为It is hoped that . 大家希望It has been proved that . 已证明3Itbe名词(词组)从句It is a fact that . 事实是It is good news that . 是好消息。It is a question that . 是个问题。It is common knowledge that . 是常识。It is a fact that smoking is a danger to health.吸烟危害健康，这是事实。4Itbe形容词从句It is necessary that . 有必要It is clear that . 很清楚It

18、 is (un)likely that . 很(不太)可能It is important that . 重要的是 (二)宾语从句中以it作形式宾语的两种常用句型1带复合宾语(宾语宾语补足语)的句子，that引导的宾语从句经常移到句子后面，而用it作形式宾语。We think it possible that you can finish the work today.我们认为你今天能够完成这项工作。2表示喜欢、憎恶等心理活动的动词或短语后习惯上先跟一个形式宾语it，再接宾语从句。如：hate、enjoy、dislike、love、dont mind、feel like、appreciate、rely on、count on、see to、take (认为)、owe等。四：巩固练习。A.翻译句子。看起来他们会赢得这场比赛。有人建议会议应当延期。我讨厌他们满嘴食物时说话。我认为每天多喝开水是有必要的。B.用适当的连接词填空1To start with, _I intend to stress is