初中名词性从句PPT教学讲解通用PPT课件

1、名词性从句Related Conception (相关概念)1.名词:表示人或事物的名称的词叫名词。2.名词在句子当中一般可以作什么成分?名词在句中主要作主语、宾语、表语和同位语。The boy is li Ming.主语表语Mr. Liang , a 24-year-old boy, teaches us English .主语同位语宾语在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语，由一个句子来充当,这个句子就叫名词性从句。什么是名词性从句?名词性从句主语从句 ( The Subject Clause)宾语从句 ( The Object Clause) 表语从句 ( The

2、 Predicative Clause)同位语从句 ( The Appositive Clause)请判断出下列的句子哪部分是从句, 并判断属于哪种从句:1. What I want to do is taking a bath.2. The news that they won the game spread the whole school.3. I dont think (that) he is an honest boy.4. The fact is that he stole the car.5. Do you know the fact that he stole the car?

3、6. Do you know the man who is standing over there?7. It is said that they won the game.(主从)(同位语从句)(宾从)(表从)(同位语从句)(定从)(主从)引导名词性从句的连接词I really feel that he needs more experience.I want to know whether/if she still lives here.What she said is not true.Who broke the window has not been found out.He aske

4、d whose handwriting is the best in our class.That is why she left home yesterday.Have you heard the news that Mary will be back soon?8. I will give it to whoever needs it.9. It is unwise to give your child whatever he wants.10. Ive just bought five new books; you can take whichever book you like. Sh

5、e said (that) she is going to learn English.I want to know whether/if she still lives there.I dont know who all these people are.She wants to know which film I like best.Please tell me where she lives.I am not interested in what he is doing. I am certain that he is at home now.I am afraid he wont co

6、me on time. 宾语从句在句中充当及物动词, 介词或某些形容词宾语的句子叫做宾语从句。宾语从句 I dont know （that） you will come here.注意：that在从句中不充当任何成分，在口语或非正式的文体中常常被省去。但如果从句是并列句时,第二个及以后的分句前that不可省. We all agreed (that) it would be a mistake not to take his advise. We all think (that) she is working hard and that she will surely go to a good

7、 college.我不知道他来不来。我想知道他来还是不来。你们是在谈论着他来还是不来吗？他不在乎天气是否好。I dont know whether/if he will come.I want to know whether he will come or not.Are you talking about whether he will come?He doesnt care if it isnt a fine day.注意：在宾语从句中，表示“是否”既可以用whether,也可以用if.但是，whether常与or not连用；作介词宾语只用whether; 主句是否定句时一般用if。用合

8、适的连接词填空1. Wang Hai told me _ he didnt go cycling yesterday afternoon.（how, why）2. Can you tell me _ else is going to be on duty today?（who, whom）3. She said _ it wouldnt matter much.（that, if）4. He always thinks _ he can do better.（how, who）5. I really dont know _ the bridge will be finished.（how lo

9、ng, how soon）whywhothathowhow soon6. They dont know _ we are going hiking.7. She wanted to know _ her coat would be ready the next day.8. I was really surprised at _ I saw.9. I dont know _ so many people crowding round him10. Do you know _ shirt it is?if/whetherif/whetherwhatwhywhose宾语从句中的否定转移我认为他不会

10、来这里.I think he wont come here. ( )I dont think he will come here. ( )注意：如果宾语从句是由think, believe, imagine, suppose等词引导的时候，要将从句中的否定形式转移到主句中去。我认为他不会对我撒谎的.我认为我们不应该借钱给他.I dont think he will lie to meI dont think we should lend him money宾语从句中用it作形式宾语 We think it our duty that we should help others. I find

11、it impossible that he should finish the work in two days.注意：如果主句中有形容词或名词作宾语补足语时，一般用it来作形式宾语，把从句放在宾补后面。that不能省.believe, consider, feel, find, make, think他们觉得要在两天内完成工作是困难的.我们认为每个人都保护环境是重要的.他把每天早上锻炼身体做为一个规定.宾语从句的时态和语序Could you tell me if it _ tomorrow? A. rains B. is raining C. will rain D. rain 2. The

12、 teacher told his students the sun_ in the east. A. rise B. rises C. rose D. risen 3. Peter knew _. A. whether he has finished reading the book B. why the boy had so many questions C. there were 12 months in a year D. when they will leave for Paris 4. Could you tell me _? A. where is the nearest rai

13、lway station B. where the nearest railway station was C. where the nearest railway station is D. where was the nearest railway station 5. I really dont know if she _ it when she _. A. finds/ arrives B. finds/ will arrive C. will find/ will arrive D. will find/ arrives6. Where do you think _ he _ the

14、 TV set? Sorry, Ive no idea. A./, bought B. has, bought C. did, buy D. did bought7. Can you tell me _? A. whats the matter with him B. what the matter with him is C. what happened with him D. what with him happened 宾语从句中谓语用should do的情况:The general ordered that troops (should) set off at once.He sugg

15、ested that we (should) buy dictionaries.I insisted that he (should) apologize to me. 句型转换1. When does the train arrive? Please tell me.（改为宾语从句） Please tell me _ _ _ _.2. What does he do? Do you know? （改为宾语从句） Do you know _ he _?3. Do they want fried chicken? He asked the boys. （改为宾语从句） He asked the

16、boys _ they _ fried chicken.whenthetrainarriveswhatdoesif/whetherwanted4. Was the watch made in Shanghai? I dont know. （改为宾语从句） I dont know _ the watch _ made in Shanghai.5. “Do you want to try something new?” Toms mother asked him. （同义句） Toms mother asked him _ _ _ to try something new.if/whetherwa

17、sif/whetherhewanted6. I think this is a good idea.（改为否定句） I _ _ this _ a good idea.7. Lucy hasnt decided which trousers to buy.（改为复合句） Lucy hasnt decided _ _ _ _ buy.8. I dont know how I can get to the hospital.（改为简单句） I dont know _ _ _ to the hospital.dontthinkiswhichtrousersshewillhowtoget表语从句在句中充

18、当表语的从句(即放在be动词后面)叫做表语从句。我们的目的是他能认识到错误。Our purpose is that he can realize his faults.注意：引导表语从句的连接词一般不省略。问题是它是否值得做。The question is whether it is worth doing.注意：表语从句表示“是否” 只用“whether” 而不用“if”试区分以下句子Is this museum what you visited?Is this the museum that you visited?Is this museum the one that you visit

19、ed?注意：这种句子考试时一定要记住这句话：名词前（尤其是单数可数名词前）一定要有限定词。然后把句子变换成陈述句，接着判断句子是属于哪种从句再完成。(表从)(定从)(定从)That house is _ the garden tools are stored.The reason I dont want to go there is _ Ive just got a new job here.That was _ they had made the mistake.Everything in the room is _ it was ten years ago.The dream Jack h

20、as in mind is _ he will become a scientist in the future. wherethathowwhatthat6. What we care about is _ it will be a fine day tomorrow.7. That was _ they didnt pay much attention to the teacher in class.8. My opinion is _ everyone of us takes out $5 for Janes birthday present.9. The problem is _ we

21、 can be allowed to stay out at such a late hour.10. Her explanation is _ she used to live in the country and she knows it better than us. whetherwhythatwhetherthat问题是谁能帮我学英语.这就是她害怕出国留学的原因.那就是我要告诉你的.问题是他是否会同意这个建议.The question is who can help me with my English.That is why she is afraid of studying ab

22、road.That is what I will tell you.The question is whether he will agree with the suggestion.在句中充当主语的从句叫做主语从句。他星期三来这里是肯定的。 he will come here on Wednesday is certain.他星期三是否来这里还不肯定的。 he will come here on Wednesday is not certain.That主语从句 Whether What he said is not true.Who broke the window has not bee

23、n found out.How he escaped is still a secret.Whom she borrowed money from still puzzled him. Exercise 1_ she said puzzled him._ she said such a thing puzzled him._ we should send to take part in the party is to be discussed._ they dont want to drop the plan is clear._ he finished the work in so shor

24、t time remains a question. _ it is going to snow this evening is not certain.WhatWhy Whom/whoThatHowWhetherExercise 2_ (她离开他) made him sad._ (月球上没有生命) is known to all._ (我在会议上说的) must be kept secret._ (是否这件事是真的) remains a question._ (我们什么时候开会) is to be discussed.That she left him That there is no li

25、fe on the moon What I said at the meetingWhether it is trueWhen we will have the meetingThat he cant attend the party is a pity. It is a pity that he cant attend the party.How much money is needed is hard to say. It is hard to say how much money is needed. That the moon moves around the earth is kno

26、wn to all. It is known to all that the moon moves around the earth. it 做形式主语 It + be + 形容词 that从句It is necessary that 有必要It is important that . 重要的是It is obvious that 很明显It + be + -ed分词 that从句It is believed that 人们相信It is known to us/all that . 众所周知It has been decided that 已经决定用it形式主语的that从句有以下四种不同的

27、搭配：It + be + 名词 that从句It is common knowledge that 是常识It is a surprise that . 令人惊奇的是It is a fact that 事实是It + 不及物动词 that从句It appears that 似乎It happens that . 碰巧It occurred to me that 我突然想起Exercise 3It is a wonder _ you werent injured.It is still unknown _ and _ this took place.It makes no difference

28、to me _ he is rich or poor.It is not yet decided _ is to take her place as secretary.It is said _ this plaza has 15 cinemas.It doesnt matter _ you are going to do it.thatwhenwherewhetherwhothatwhetherExercise 4你昨天错过了这部新的电影，真是太遗憾了。他们将要在这里建一个新的医院是真的吗？据说我们国庆节要放三天假。4. 他是否挣很多很多钱对我来说并不重要。It is a pity that you missed the new movie yesterday.Is it true that they are going to set up a new hospital here?It is said that well take three days off on National Day.It isnt important to me whether he can make a lot of money.同位语从句在句中用作同位语的从句叫做同位语从句。同位语从句一般放在如idea, news, fact, promise, suggestion, bel