主语从句公开课课件

1、WelcomeDesigned by Annie12021/3/17Can you tell me whats your dream ? _ is my dream.That I can fly 22021/3/17 Shanghai World Expo has opened. It will last for 184 days, from May 1st to October 31th. That the theme of the Expo is “better city, better life” is known to us. The Mascot of the Expo is Hai

2、bao . What we have known is that itis held in the developing country for the firsttime. There are more than two hundred countries and international organizations attending the Expo. It is said that we can travelall over the world just in one day. Its also agood chance to show the good development of

3、 China.Introduction32021/3/17That the theme of the Expo is” better city, better life” is known to us.What we have known is that it is held in the developing country for the first time.It is said that we can travel all over the world just in one day.Do these sentences have anything in common? - - - -

4、主语从句 subject clauseWhat we will learn in this class is Subject Clause 42021/3/17各种各样的主语各种各样的主语1）A tree has fallen across the road.2）You are a student.3）To live is to learn, to learn is to live better .4） Smoking is bad for you.5) It is certain that we will succeed.6）That she is able to come makes us

5、 happy.名词名词代词代词不定式不定式动名词动名词形式主语形式主语主语从句主语从句52021/3/17一、一、 定义定义 在主从复合句在主从复合句中中,充当充当主语主语的从句叫主语从句。的从句叫主语从句。e.g. What he did in the earthquake moved everybody. 主语从句主语从句谓语谓语宾语宾语That China will become more powerful is certain.主语从句主语从句谓语谓语表语表语62021/3/17Conjunctions of subject ClausesConjunctions of subject

6、 Clauses( (引导主语从句引导主语从句的关联词的关联词): :从属连词从属连词(不作成分）不作成分）连接代词连接代词（作各种成（作各种成分）分）连接副词连接副词（作状语）（作状语）what, who, whom, whose, which, wh+everthat, whether, if,when, where, how, why72021/3/17二、引导主语从句三大连接二、引导主语从句三大连接词词: 1、 从属从属连词连词:that , whether, if that 无词义无词义,在从句中不作成在从句中不作成分分, 但不能省略但不能省略 whether 意为意为“是否是否”,

7、在在从句中不作成分从句中不作成分, 但不可省略但不可省略 e.g. she got the first prize made her parents very happy. she will come or not is still a question.无义无义 是否是否 ThatWhether82021/3/17 whether 引导的主语从句引导的主语从句,如果用了如果用了 形式主语形式主语it ,引导词引导词whether 可以换成可以换成if , 如果如果whether 从句在句首或后面有从句在句首或后面有or not 时时,不能换成不能换成if. Whether they will

8、 sell the house has not been decided yet. It has not been decided yet whether they will sell the house. 不可用不可用if替换替换 可用可用if替换替换 注意注意 92021/3/17 练一练练一练 1、_ we go there by train or by air is not clear. 2、_ she left him made him very sad.WhetherThat102021/3/172、连接、连接代词代词: 连接代词连接代词 中文意思中文意思在从句中的成分在从句中的成

9、分 who / whom _ whoever _ what _ whatever _ which _ whichever _ whose _ 不可省略不可省略 谁谁不论谁不论谁什么什么什么事什么事无论什么无论什么哪一个哪一个无论哪一个无论哪一个谁的谁的 主语主语 宾语宾语 表语表语 定语定语定语定语112021/3/17 e.g. Whatever you do should do no harm to others. 无论你做什么都不应该伤害别人。无论你做什么都不应该伤害别人。 Whoever will take his place is not important. 无论谁将代替他并不重要

10、。无论谁将代替他并不重要。122021/3/17 练一练练一练 1、_ will host the meeting hasnt been decided.2、_car runs faster should be tested.3、_ comes to our school is welcome.4、_ side will win is not clear. Who Whose WhoeverWhich132021/3/173、连接、连接副词副词: 连接副词连接副词 中文意思中文意思在从句中的成分在从句中的成分 when where why how 不可省略不可省略 什么时候什么时候在哪里在哪里

11、为什么为什么怎么样怎么样,如何如何时间状语时间状语地点状语地点状语原因状语原因状语方式状语方式状语142021/3/17 练一练练一练 1、_ he didnt come yesterday is unknown.2、_we will set up the factory should be discussed.3、_ this happened is not clear.WhyWhen/ Where How / Why 152021/3/17“缺什么补什么缺什么补什么”原则原则缺缺主语主语,指指人用人用who,指物用指物用what缺缺宾语宾语,指指人用人用whom/who,指物用指物用wha

12、t缺时间状语用缺时间状语用 when;地点状语用地点状语用 where;原因状语用原因状语用 why; 方式状语用方式状语用 how;定语用定语用whose或或which什么都不缺用什么都不缺用that或或whether/if（是否）（是否）162021/3/17三、用三、用it 作形式主语的主语从句作形式主语的主语从句 常用句型常用句型如下如下:It+ is +名词名词+ that 从句从句It+ is + 形容词形容词+ that从句从句It+ is + 过去分词过去分词+ that从句从句It+ 不及物动词不及物动词+ that从句从句It + 及物动词及物动词+ 宾语宾语+ that

13、从句从句 注解注解:一般来说一般来说主语从句都是放在主语从句都是放在 ,但有时为了使句子但有时为了使句子 ,避免避免”头重脚轻头重脚轻”,常用常用 作作 ,从而从而把主语从句放在把主语从句放在 句首句首保持平衡保持平衡 it 形式主语形式主语后面后面172021/3/171) It is + n. +that It is a pity/shame that. It is a surprise that It is a fact that It is common knowledge that *_(很可惜很可惜)we lost the match.*_(这是事实这是事实)he cheated

14、in the exam.It is a pity thatIt is a fact that可惜的是可惜的是 令人吃惊的是令人吃惊的是事实是事实是是常识是常识 182021/3/172) It is + adj. +that Its certain/sure that It is possible/likely that. It is obvious/clear that It is true that *_(很可能很可能)she will come back tomorrow.*_(很明显很明显) he is an English.It is possible thatIt is obvio

15、us that肯定肯定 很可能很可能 很明显很明显的确的确192021/3/173) It + be +过去分词过去分词+从句从句 It is said that. It is known to all that. It is reported that. It is believed that.It is suggested that + (should）do. *_(据报道据报道)20 people were killed in the accident. *_(建议建议)we should eat more vegetable and do more exercise.It is rep

16、orted thatIt is suggested that据说据说 众所周知众所周知 据报道据报道 据相信据相信;人们相信人们相信 建议建议202021/3/174) It +不及物动词不及物动词+that It happened that. It occurred to me that It appears/seems that It turned out that*_(刚好刚好)I was out yesterday.*_(我突然想起我突然想起)I forgot to sent the letter.It happened thatIt occurred to me that碰巧碰巧 我

17、突然想起我突然想起似乎似乎,好像好像原来原来212021/3/175) It + 及物动词及物动词 宾语宾语+ that从句从句 It worried her thatIt shocked/surprised me that . *_(让我吃惊的是让我吃惊的是) she treated in the exam.It surprised/shocked me that让她担心的是让她担心的是 让我震惊的是让我震惊的是 222021/3/17 1、That we cant go to see the movie on the weekend is a pity. 2、That his memory

18、 was becoming worse worried him a lot .It is a pity that we cant go to see the movie on the weekend. It worried him a lot that his memory was becoming worse. 用用it 作形式主语来改写下面的句子作形式主语来改写下面的句子 232021/3/17 改错改错 1、That is widely believed that smoking can cause cancer. 2、It is suggested that we will hold

19、a meeting next week . It （作形式主语）（作形式主语）解析解析:过去过去分词如果是分词如果是suggested , ordered, requested 等表示等表示建议建议,命令命令,请求请求等的词时等的词时,主语从句应用主语从句应用虚拟虚拟语气语气,即即“(should) + 动词原形动词原形” (should) hold 242021/3/17四、四、 主语从句中应注意的问题主语从句中应注意的问题 1、从句的语序要用陈述句的语序。、从句的语序要用陈述句的语序。 e.g. remains a mystery.他为什么做那件事依然是个谜。他为什么做那件事依然是个谜。

20、Why he did it252021/3/172、 从句做主语从句做主语时时,主句主句谓语动词的单复数谓语动词的单复数 单个主语从句做主语单个主语从句做主语时时,谓语谓语动词用动词用单数单数 e.g. When we shall have our sports meeting not been decided yet. 由两个或多个连接词引导一个主语从句由两个或多个连接词引导一个主语从句时时, 谓语动词也用谓语动词也用单数单数 e.g. When and where we shall have our sports meeting not been decided yet. has has

21、262021/3/17如果用如果用and 连接两个或两个以上的主语从句连接两个或两个以上的主语从句 做主语做主语时时,谓语谓语动词用动词用复数复数 e.g. When they will start and where they will go not been decided yet.have272021/3/17 注意注意 what 和和who 引导主语从句引导主语从句时时,主句主句谓语谓语 的数的数应与主句中作应与主句中作表语的名词表语的名词保持一致。保持一致。 What I need _ money.What I need _ books. is are Who you will go

22、 with _ Lucy. Who you will go with _ the twins. is are 282021/3/17 练习练习 1. _ leaves the room last ought to turn off the light. A. Anyone B. The person C. Whoever D. Which2. _ he has become a rich man is known to all in our town. A. Because B. That C. / D. What292021/3/173. _ I need is more time. A.

23、That B. What C. / D. Which4. _ well go camping tomorrow depends on the weather. A. IfB. Whether C. ThatD. Why5. _ Jack looked so excited is not clear. A. That B. Where C. what D. why302021/3/176. _ that we will go shopping this afternoon. A. It is a good idea B. It is a pity C. That is a good idea D

24、. That is a pity312021/3/177. It was requested that everyone _ a speech at the meeting. A. made B. makes C. be made D. make322021/3/17report , get the highest points, match It is reported that Yao Ming got the highest points in the match.Make a sentence-130Subject Clause332021/3/17a womanish man That he always acts as a womanish man makes him popular.That ,act as , womanish, make, popula