主语从句超全加练习课件省公共课一等奖全国赛课获奖课件.pptx

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1、GrammarGrammar 第1页主语从句：主语从句：做主语用名词性从句，因其在复合句中做主语，又做主语用名词性从句，因其在复合句中做主语，又称主语从句，引导主语从句有连词称主语从句，引导主语从句有连词that，whether，连接代词连接代词who，what，which，连接副词连接副词when，where，how，why等。等。第2页1）隶属连词隶属连词：that，whether等等.that 引导主语从句只起引导作用，本身无实引导主语从句只起引导作用，本身无实际意义，在主语从句中不充当任何成份，但际意义，在主语从句中不充当任何成份，但不能省略不能省略。That he will win

2、is certain.他必定会赢。他必定会赢。Whether hell come here isnt clear.他他是否会来这里还不清楚。是否会来这里还不清楚。第3页 注意注意:由由that 引导主语从句有时为了使句子引导主语从句有时为了使句子结构平衡结构平衡,防止防止“头重脚轻头重脚轻”,惯用惯用 it 作作形式主形式主语语,而把从句放在后面。而把从句放在后面。比如比如:1.That he will refuse this piece of advice is impossible._ _2.That they should like each other is natural._*it为

3、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.第4页这么就组成了下面一些惯用句型这么就组成了下面一些惯用句型:1)It is+n.+从句从句 It is a pity/shame that.遗憾是遗憾是 It is a surprise that令人惊奇是令人惊奇是 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 los

4、t the match.*_(这是事实这是事实)he cheated in the exam.It is a pity thatIt is a fact that第5页2)It is+adj.+从句从句 Its certain that 必定必定 It is possible that.很可能很可能 It is unlikely that.不可能不可能 It is obvious that 很显著很显著 It is necessary important natural.that*_(很可能很可能)she will come back tomorrow.*_(很显著很显著)this measu

5、re is effective.+(should)+doIt is possible thatIt is obvious that第6页3)It+不及物动词不及物动词+从句从句 It happened that.恰巧恰巧 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.It happened thatIt occurred to me that第7页4)It+be+过去分词过去分词+从句从句 It is sa

6、id that.听说听说 It is known to all that.众所周知众所周知 It is reported 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.提议提议It must be admitted that必须认可必须认可 It cannot be denied that 不可否定不可否定 It must be pointed out that需指出是需指出是*_(据报道据报道)20 people were killed in the accident.*_(提议提议

7、)we should eat more vegetable and do more exercise.It is reported thatIt is suggested that第8页2.连接代词连接代词who，what，which,whatever,whichever,whoever(Who,whom,which,what能能够和够和ever组成合成词，和组成合成词，和what一样引导从句，一样引导从句，ever起到起到强调作用。强调作用。这类主语从句不能用形式主语这类主语从句不能用形式主语it引导引导，它们在，它们在句子中担任成份，句子中担任成份，不能省略不能省略，语序为陈说语序，语序为

8、陈说语序)What many scientists believe is that the earth is round Who will take part in the meeting has not been decided.Whoever breaks the law will be punished.Which student will win is uncertain.Whatever was said here must be kept secret.这里说话都应该保密。这里说话都应该保密。Whoever makes mistakes must correct them.凡犯了错

9、误人都必须更正凡犯了错误人都必须更正。第9页3)连接副词连接副词when，where，how，why等。等。Why they suddenly disappeared still remains a mystery.When they will leave is not decided.Where she is from is unknown.How we will paint the house has not been decided.第10页注意注意:1）主语从句在句首时，必须由连接词引）主语从句在句首时，必须由连接词引导，不能省略这些连接词；不过假如用导，不能省略这些连接词；不过假如用

10、it做形式主语，而把主语从句放在句末时，做形式主语，而把主语从句放在句末时，隶属连词隶属连词that能够省略。能够省略。误：误：They should like each other is natural.正：正：That they should like each other is natural.正：正：It is natural(that)they should like each other.第11页2)假如主语从句放在句首，不能用假如主语从句放在句首，不能用if引引导，不过假如用导，不过假如用it 做形式主语，而把主做形式主语，而把主语从句放在句末时，也能够用语从句放在句末时，也能够

11、用if引导引导.或把或把if 改为改为whether 误：误：If Mary really heard him is really doubtful.正：正：It was doubtful if Mary really heard him.正正:Whether Mary really heard him is really doubtful.第12页Complete the sentences using what,whether,where,when，who,why,how or that.1.(_ is needed for success)is your hard work.3.(_ w

12、e will go tomorrow)hasnt been decided yet.2.(_ they will arrive)has been told to the teacher.4.(_ can join in the sport meet)is decided by the teacher.5.(_ it will rain or not)is not clear.WhatWhen/HowWhere/whetherWhoWhether主语从句作主语时，谓语动词普通用单数形式。主语从句作主语时，谓语动词普通用单数形式。Conclusion:第13页主语从句规律：找出以下句子中错误，并总

13、结规律例1.When will he come is not known.规律一、主语从句一律用陈说语序，即主语在前，谓语在后。正：When he will come is not known.第14页主语从句规律：例2.He will not come to the meeting this evening is true.正：That he will not come to the meeting this evening is true.规律二、连词that 在从句中无实际意义，但不能省略。第15页主语从句规律：例3.If the meeting will be put off has

14、not been decided yet.正：Whether the meeting will be put off has not been decided yet.规律三、whether 能够引导主语从句，放在句首，但if不能第16页主语从句规律：例4.That whether he will help others is a fact.正：That he will help others is a fact.规律四、主语从句中连词不能重合使用。第17页主语从句规律：例5.When he will come are a puzzle.正：When he will come is a puz

15、zle.规律五、含主语从句主句谓语动词多用 单数第三人称形式。第18页主语从句规律：1.What he needs is that book.2.What he needs are some books.规律六、what 引导主语从句，可依据 表语决定主句动词单复数形式。第19页规律七、主语从句为了防止头重脚轻现 象，用 it 做形式主语，而 把从 句放在后面。That the earth turns around the sun is known to all.It is known to all that the earth turns around the sun.第20页找犯错误，并给

16、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 have第21页5.It is ordered we should leave at once.6.Where he comes from are a mystery.7.What whether he likes

17、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.thatisxareare第22页Exercises:Part One:主语从句单项选主语从句单项选择题择题1.has helped to save the drowning girl is worth praising.A.Who B.The one C.Anyone D.WhoeverD2.It was he said disappointed me.A.what;that B.th

18、at;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 matterA第23页5.was to return to school.A.That really interested him B.What really interested himC.Which re

19、ally 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 the old man lied a red silk ribbon on the

20、 young tree.A.that B.why C.where D.whatB第24页1._ he made an important speech at 2.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 第25页3.It worried her a bit _ her hair was turning gray.A.whether B.that B.C.what D.when4.Wh

21、at I say and think _ none of your business.A.is B.are C.has D have第26页 1._ you dont like him is none of my business.2._ he said at the meeting astonished everybody present3._ the Olympic Games will be held in Beijing is not known yet.4._ well go camping tomorrow depends on the weather.5._ leaves the

22、 room last ought to turn off the lights.ThatWhatWhetherWhetherWhoever请用恰当主语从句连词填空请用恰当主语从句连词填空:What,it,that,whether,whoever第27页Correct or not?*When the meeting will be held havent been known yet.be held hasnt been known yet.Pay attention:主语从句谓语用主语从句谓语用单数单数形式形式 10第28页 the cat domade What the cat did m

23、ade the baby cry.WhatcryMake a sentence30第29页1.The question is _ the film is interesting.2._ we shall attend the meeting hasnt been decided yet.用用whetherif填空填空whetherWhether10第30页talk aboutthe use of cell phone What they are talking about is the use of cell phone.Make a sentence30第31页*If we will hav

24、e 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if10第32页report,get the highest points,match It is reported that Yao Ming got the highest points in the match.Make a sentence30第33页 Correct or not?Pay attent

25、ion:此主语从句此主语从句缺乏成份缺乏成份-宾语，宾语，故用作成份故用作成份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第34页 Correct or not?Pay attention:由由that引导主语从句放在句首，引导主语从句放在句首，that 不能省略不能省略。That he will give up*He will give up his job surprises all of us.10第35页Translat

26、e the sentence*_（她（她是否出席会议）是否出席会议）is not certain.Whether she will attend the meeting20第36页It makes the teacher angry that the child doesnt know the answer.teacher angryDont know the answerMake a sentence30第37页1._ he made an important speech at the meeting was true.A.That B.Why C.What D.How 2._well g

27、o camping 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 第38页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第39页