主语从句讲解复习课程课件.ppt

1、Grammar 名词性从句包括：名词性从句包括：宾语从句：介宾结构；动宾结构宾语从句：介宾结构；动宾结构表语从句：系表结构表语从句：系表结构(系动词后面跟一个从句系动词后面跟一个从句)主语从句主语从句:一个句子做主语一个句子做主语同位语从句：对名词进行解释说明同位语从句：对名词进行解释说明判断下列从句：判断下列从句：1.China is no longer what she used to be.2.The question remains whether they will be able to help us.3.It seemed as if I couldnt think of the

2、 right word.4.The reason why I study hard is that I want to go to a key university.5.They believe in that she must still be single.6.I know nothing about him except that he is living in Beijing7.I dont know whether hes free or not.8.Mary asked whether I was doing my homework or not.9.Im thinking of

3、whether we should go fishing.10.We are worried about whether it will rain tomorrow.表语从句表语从句宾语从句宾语从句(1).连接词连接词：that 在句子中不充当任何成分，无意义，在句子中不充当任何成分，无意义，不可省略不可省略That he will win is certain.That he got the first prize made his parents very happy.That China has become strong is certain.That they love each o

4、ther is obvious.That he played computer games into night made his parents disappointed.(2).连接词连接词 whether 在句中不充当成分，意为在句中不充当成分，意为“是否是否”Whether we go by train or by boat makes no difference.Whether life exists on other planets is not clear.Whether hell come here isnt clear.Whether the old bus station

5、should be replaced with a modern hotel or not is under discussion.(3).连接副词连接副词 when(时间时间),where(哪里哪里),why(为什么为什么),how(怎么；如何怎么；如何)有词义，在从句中担任状语。有词义，在从句中担任状语。Why Chen Lin committed suicide has not been clear yet.How this happened is not clear to anyone.Where he found the treasure remains a mystery.When

6、 we will hold the graduation ceremony has not been decided yet.When they will leave is not decided.(4).连接代词：连接代词：who(谁，主格谁，主格);whom(谁；宾格谁；宾格);whose(谁的谁的);what(什么什么事事/话话);which(哪一个哪一个);whoever(无论谁无论谁),whatever(无论什么无论什么),whichever(无论哪一个无论哪一个)在句子中担任主语，在句子中担任主语，宾语，表语或定语宾语，表语或定语Who will host the meeting

7、hasnt been decided yet.Which plan is better should be discussed.Whoever comes to China is welcome.Whatever you do in your spare time should do no harm to others.Whoever breaks the law will be punished.主语从句能用主语从句能用it做做形式上的主语形式上的主语(二二)注意注意:由由that 引导的主语从句有时为了使句子结构平衡引导的主语从句有时为了使句子结构平衡,避免避免“头重脚轻头重脚轻”,常用常

8、用 it 作作形式主语形式主语,而把从句放在而把从句放在后面。后面。例如例如:1.That he will refuse this piece of advice is impossible._ _2.That they should like each other is natural._*it为形式主语为形式主语It is natural that they should like each other.It is impossible that he will refuse this piece of advice.这样就构成了下面一些常用句型这样就构成了下面一些常用句型:1)It is

9、+n.+从句从句 It is a pity/shame that.遗憾的是遗憾的是 It is a surprise that令人惊奇的是令人惊奇的是 It is a fact that 是事实是事实 It is common knowledge that 是常识是常识*_(很遗憾很遗憾)we lost the match.*_(这是事实这是事实)he cheated in the exam.It is a pity thatIt is a fact that2)It is+adj.+从句从句 Its certain that 肯定肯定 It is possible that.很可能很可能 I

10、t is unlikely that.不可能不可能 It is obvious that 很明显很明显 It is necessary important natural.that*_(很可能很可能)she will come back tomorrow.*_(很明显很明显)this measure is effective.+(should)+doIt is possible thatIt is obvious that3)It+be+过去分词过去分词+从句从句 It is said that.据说据说 It is known to all that.众所周知众所周知 It is repor

11、ted that.据报道据报道 It is believed that.据信据信;人们相信人们相信 It is suggested that+(should）do.建议建议It must be admitted that必须承认必须承认 It cannot be denied that 不可否认不可否认 It must be pointed out that需指出的是需指出的是*_(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 i

12、s reported thatIt is suggested that4)It+不及物动词不及物动词+从句从句 It happened that.碰巧碰巧 It occurred to me that我突然想起我突然想起_(刚好刚好)I came into the office at that time._(我突然想起我突然想起)I forget to sent the letter.5)It+及物动词及物动词+宾语宾语+that从句从句It worried her a bit that her hair was turning grey.It shocked me that he didnt

13、 tell anybody where he was.It happened thatIt occurred to me that主语从句中应注意的问题主语从句中应注意的问题(一).语序应是陈述句语序语序应是陈述句语序How he managed to survive in the forest interested everyone present.When he will come is not known.What he needs is an English dictionary.(二二).谓语动词的单复数谓语动词的单复数When we shall hve our sports mee

14、ting _(have)not been decided yet.What I need _(be)money.What I need _(be)books.When they will start and where they will go _(have)not been decided yet.When and where the meeting will be held _(have)not been decided.hasisarehavehas(三三)if/wheter 在主语从句中的用法在主语从句中的用法If the meeting will be put off has not

15、 been decided yet.Whether the meeting will be put off has not been decided yet.注意：注意：whether 可以引导主语从句可以放在句首，可以引导主语从句可以放在句首，但但if不能不能(四四).判断以下句子是否正确：判断以下句子是否正确：They should like each other is natural.That they like each other is natural.It is natural that they like each other.错误错误正确正确正确正确That引导的主语从句放句首

16、引导的主语从句放句首，既不充当成分又无意义，既不充当成分又无意义，但但that不能省去不能省去。找出错误，并给出理由：1.Where shall we spend the holiday isnt decided.2.You have made a mistake is a fact.3.If the policeman will come is not certain.4.That is certain that we can win.we shallWhetherItThat you have5.It is ordered we should leave at once.6.Where h

17、e comes from are a mystery.7.What whether he likes the job is not clear.8.Who he is and where he is from is important.9.What he saw is the stars in the sky.thatisxareareExercises:Part One:主语从句单选题主语从句单选题1.has helped to save the drowning girl is worth praising.A.Who B.The one C.Anyone D.WhoeverD2.It w

18、as he said disappointed me.A.what;that B.that;that C.what;what D.that;whatA3.well go camping tomorrow depends on the weather.A.If B.Whether C.That D.WhereB4.he said at the meeting surprised everybody present.A.What B.That C.The fact D.The matterA5.was to return to school.A.That really interested him

19、 B.What really interested himC.Which really interested him D.That interest him reallyB6.makes mistakes must correct them.A.What B.That C.Whoever D.WhateverC7.your men have been on my land without permission.A.It seems that B.There seems to be C.That seems D.It seems forA8.It has always puzzled me th

20、e old man lied a red silk ribbon on the young tree.A.that B.why C.where D.whatB1._ he made an important speech at the meeting was true.A.That B.Why C.What D.How 2._well go camping tomorrow depends on the weather.A If B Whether C That D Where 3.It worried her a bit _ her hair was turning gray.A.wheth

21、er B.that C.what D.when4.What I say and think _ none of your business.A.is B.are C.has D have 1._ you dont like him is none of my business.2._ he said at the meeting astonished everybody present3._ the 2000 Olympic Games will be held in Beijing is not known yet.4._ well go camping tomorrow depends o

22、n the weather.5._ leaves the room last ought to turn off the lights.ThatWhatWhetherWhetherWhoever请用恰当的主语从句连词填空请用恰当的主语从句连词填空:What,it,that,whether,whoeverCorrect or not?*When the meeting will be held havent been known yet.be held hasnt been known yet.Pay attention:主语从句的谓语用主语从句的谓语用单数单数形式形式 10 the cat d

23、omade What the cat did made the baby cry.WhatcryMake a sentence301.The question is _ the film is interesting.2._ we shall attend the meeting hasnt been decided yet.用用whetherif填空填空whetherWhether10talk aboutthe use of cell phone What they are talking about is the use of cell phone.Make a sentence30*If

24、 we will have a meeting hasnt been decided yet.Correct or not?Whether we will.decided yet.Pay attention:放在名词性从句放在名词性从句句首句首，表示，表示“是否是否”，只能用，只能用whether,不能用不能用if10report,get the highest points,match It is reported that Yao Ming got the highest points in the match.Make a sentence30 Correct or not?Pay at

25、tention:此主语从句此主语从句缺少成分缺少成分-宾语，宾语，故用作成分的故用作成分的what来引导，而不用来引导，而不用that。What she wants to know is.*That she wants to know is when the party will be held.10 Correct or not?Pay attention:由由that引导的主语从句放在句引导的主语从句放在句首，首，that 不能省略不能省略。That he will give up*He will give up his job surprises all of us.10Translat

26、e the sentence*_（她是否出席会议）（她是否出席会议）is not certain.Whether she will attend the meeting20It makes the teacher angry that the child doesnt know the answer.teacher angryDont know the answerMake a sentence301._ he made an important speech at the meeting was true.A.That B.Why C.What D.How 2._well go campin

27、g tomorrow depends on the weather.A If B Whether C That D Where 3._ is known to us all that America is a developed country.A Which B As C What D It 4.Its known to us all _ a form of energy.A.water is B.that water is C.is water D.that water to 5.It worried her a bit _ her hair was turning gray.A.whether B.that C.what D.when6.What I say and think _ none of your business.A.is B.are C.has D have