名词性从句专项练习verygood.ppt

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1、主语从句表语从句宾语从句同位语从句,它的功能相当于名词,名词性从句,She missed us very much.She was writing a letter.She would visit the Great Wall.,She said that,宾语从句,(1)老师说光比声传播快The teacher said that light travels much faster than sound.(2)老人说太阳东方升起西方落下The old man said the sun rises in the east and sets in the west.,我告诉他我马上回来I tol

2、d him(that)I would come back soon.他说他已经读完这部小说He said(that)he had finished reading this novel 他说他还要再借一本He said(that)that he would borrow、another one,注：并列第二个以上的宾语从句,或有插入语时不能省略that.),He said(that)he had finished reading this novel and that he would borrow another one.,.他告诉我他回来并会准时来He told me（that）he wo

3、uld come and that he would come on time.,2.that在宾语从句中的省略与保留,他们装作在房间里读书They pretended that they were reading in the room.,当that 引导的从句作复合宾语的第一个成分时，需用先行词it 作形式宾语，把从句放到句末，that 不能省略。我们认为他生病是可能的We consider it possible that he is ill.,我们认为小王昨天没来很奇怪(1)We thought it strange that Xiao Wang did not come yester

4、day.他清楚表明任何人违法都将受到惩罚(2)He has made it clear that anyone who breaks the law is to be punished.,这种句型的谓语动词有think,make,feel,find,consider.,2.由wh-疑问词引导。,我们完全理解他所说的We fully understood what he meant.去问问他昨天为什么晚了Go and ask why he was late yesterday.我问他进展的咋样I asked how he was getting on.我们选任何适合的人We will choos

5、e whoever is fit.,我不知道你在谈论啥 I didnt know what they were talking about.你知道冬天为啥比夏天冷吗？Do you know why winter is colder than summer?他不能说出他家在那He couldnt tell where his home was.约翰让小孩坐着不动，保证啥也伤害不了他 John made the boy sit still,promising that nothing would hurt him.,他问我我忙不忙He asked me whether or not I was b

6、usy.whether 与if 有时可以换用，但下列情况只能用whether.,当whether后紧跟or/or not时,不用if.I dont know whether I will stay or not.介词后面的宾语从句不能用if.I worry about whether I hurt her feelings.,注意,1.whether和if都可以引导宾语从句,1.介词后的宾从.一切都靠明天天气是否好Everything depends on whether it is fine tomorrow.2.whetheror not的宾从.我不知道她是否会喜欢它I dont know

7、 whether or not shell like it.,3.复合不定式只能用whether.告诉我是去是留Tell us whether to go or stay here.4.习惯上作discuss的宾从只用whether.但:宾语从句否定时常用if引导.他问你是否去见他 He asked if you would not go and see him.,你告诉我的使我非常高兴 I was pleased by what he told me.他总是注意老师所说的 He always pays attention to whatever the teacher says.他讲述他怎样

8、帮助老人找到她儿子 He told of how he helped the old woman to find her missing son.,这类形容词常见的有sure,certain,glad,pleased,happy,afraid,surprised,satisfied等。(1)我肯定那晚你看起来非常漂亮I am sure you looked beautiful that evening.(2)我们一点不奇怪他比期望的晚回来3天 We were not surprised that he returned three days later than expected.,3、用作某

9、些形容词的宾语从句：,(3)大家都怕有人会发现他啥也看不见Everyone was afraid that someone might find out that he could see nothing.(4)母亲非常高兴女儿通过入学考试Mother was very pleased(that)her daughter had passed the entrance exams.,二、主语从句(1)他能来是肯定的That he will come is certain.,(2)她是否能来没关系Whether she is coming or not doesnt matter too muc

10、h.,(3)使我最吃惊的是看见一些村民坐在教室后面What surprised me most was to see some of the village people seated on the benches at the end of the room.,(4)哪个队会赢得比赛是公众关心的事Which team will win the match is a matter of public concern.(5)他去哪了还不知道Where she has gone is not known yet.,当主语从句较长时，多放在句子后部，用 it 作形式主语。,以it作形式主语，把主语从

11、句后置的常用句型有：,1.It+be+形容词+that从句,certain clear important necessary probable possible,It is/was,that clause,（1）她会考好是肯定的了It is certain that she will do well in her exam.（2）他告诉我一切是可能的 It is probable that he told me everything.,2、It+be+名词词组+that从句,pity that clause shame duty,(1)It is a pity that we cant go

12、.(2)It is no surprise that our team should have won the game.,It is/was a,3、It+be+过去分词+that从句,said reported thought hope d believed known,that clause,It is,(1)据说他是班级最好的学生It is said that he is the best student in the class.(2)据认为乔驾车很差It is thought that Joe drives badly.,4、It+seem,happen,appear等不及物 动词

13、+that从句。(1)看起来爱丽丝根本不能去舞会It seems that Alice is not coming to the party at all.(2)碰巧我那天外出It happened that I was out that day.,3.表语从句,在句中作表语的句子叫表语从句。,引导表语从句的关联词与引导主语从句的关联词大致一样，表语从句位于连系动词后，有时用as if,because 引导。其基本结构为：主语+系动词+that从句,(1)这就是汤姆所所读的This was what Tom was reading.(2)事实是我从来 没去过那里The truth is tha

14、t I have never been there.(3)看起来好像要下雨It looks as if it is going to rain.,这就是他怎样克服这些困难This is how we overcame the difficulties.那就是她昨天为啥缺席 That is why she was absent yesterday.这房子就是鲁迅曾经住过的地方The house is where Lu Xun once lived.,事实是我们输了比赛The fact is that we have lost the game.,那就是我想要的Thats just what I

15、want.,这就是我们的问题所在This is where our problem lies.,那就是他为啥没来开会That is why he didnt come to the meeting.,.,这是因为他没赶上火车This is because he missed the train,当主语为it,that,this时,because 可以引导句子,出现在表语的位置上.否则,because应引导原因状语从句.这是因为我们夏天离太阳近It is because we are closer to the sun in summer.这是因为他违法了This is because he b

16、roke the law.,他来晚的原因是他差一分钟没赶上火车The reason why he was late was that he missed the train by one minute this morning.需要注意的是，当主语是reason 时，表语从句要用that引导而不是because。,他缺席的原因是前天睡的太晚早晨没起来The reason of his absence is that he stayed up too late the night before and could not get up that morning.,他来晚的原因是他起床晚了The

17、reason why he was late was that he got up late.,表语从句的引导词与主语从句和宾语从句相同.但:1.that引导表语从句时不能省.2.if不能引导表语从句.3.seem,appear后可接that引导的从句,而look则不可.这三个词后都可用as if/as though 引导从句.It seems/appears that he was late for the train yesterday.It seems/appears/looks as if we have to go home on foot.,看起来好像要下雨It looks as

18、if it is going to rain,引导名词性从句的引导词归纳起来可分为以下三类,同位语从句在句中作某些名词的同位语，这些名词常见的有，fact,news,hope,truth,idea,suggestion,thought,question,order,problem,belief,doubt,fear等。引导同位语从句的连词通常有that和whether,what,why,how等。,四、同位语从句,1.Two thirds of all girls in Britain are on a diet./The fact worries their parents and teac

19、hers a lot.,2.The Queen of England was on a three-day visit in China./We heard the news last night.,_,The fact that two thirds of all girls are on a diet worries their parents and teachers a lot.,_,We heard the news last night that the Queen of England was on a three-day visit in China.,4.Time trave

20、l is possible./There is no scientific proof for the idea.,5.Chinese students should be given more free time./The suggestion is welcomed by many people,especially kids in school.,3.Teenagers should not spend too much time online./Many British parents hold the view.,_,Many British parents hold the vie

21、w that teenagers shouldnt spend too much time online.,_,There is no scientific proof for the idea that time travel is possible.,_,_,The suggestion that Chinese students should be given more free time is welcomed by many people,especially kids in school.,(1)他们表达他们要再来参观中国的愿望They expressed the hope tha

22、t they would come over to visit China again.(2)我们都知道地球围绕太阳转的事实We all know the truth that the earth goes round the sun.(3)他啥也没说的事实使我们很吃惊The fact that she had not said anything surprised all of us.,(4)他们问我这工作值不值得做的问题 They asked me the question whether the work was worth doing.(5)这是否对的问题还没定论The problem

23、 whether it is right or wrong has not yet been decided.,我不知道她什么时候回来 I have no idea when she will be back.,同位语从句和定语从句的区别：,that作为关系代词，可以引导定语从句，充当句子成分，在从句中作宾语时可以省略；that引导同位语从句时，起连词的作用，没有实际意义，不充当句子成分，一般不能省略。,I had no idea that you were here.,Have you got the idea（that）this book gives you of life in anci

24、ent Greece？,(that引导同位语从句,不能省略）,(that引导定语从句，作宾语，可以省略）,试比较：He put forward the suggestion that the second question should be discussed first.（同位语从句）The suggestion that he had put forward was turn down.（定语从句）,注意：同位语从句和定语从句的区别是：前者说明名词的内容，后者说明名词的性质特征；前者所用连词that不是从句的一个成分，后者所用关系代词that是从句中的一个成分。,下面就运用名词性从句时要

25、注意的几个方面作以归纳：,1.语序 在名词性从句中，从句一律使用陈述语序。特别要注意由连接代词和连接副词引导的从句(what,who,which,when,where,now,why等),不可用特殊疑问句的影响而用了疑问句语序。如：,(1)I wonder who she is.(2)The question is when well complete the works.(3)Whether she is coming or not doesnt matter too much.,2.时态：学习名词性从句时，除了要注意从句的引导词，语序等外，还要注意从句谓语动词与主句谓语动词的时态一致关系。

26、,(2)、在主语从句，表语从句和同位语从句中，也要注意从句谓语动词与主句谓语动词的时态一致性。关键要注意动作发生的先后关系。如：,(1)Who will be sent abroad has not been decided.（主句是现在完成时，从句是一般将来时）(2)The earth of today is not what it was millions of years ago.（主句是一般现在时，从句是一般过去时),3、几组易混引导词的区别,(1)What 与 that 在句词性从句中，what和that都可作关连词，其区别在于：what在从句中要充当某个成分（主语、宾语或表语等）,

27、因此在任何情况下都不能省略，表示“什么”，所的事（物、话），相当于the thing that或which。that本身没有词汇意义，在名词从句中不充当任何成分，在口语和非正式文体中，宾语从句中的that经常省略。如：,(1)你所做的可能伤害别人What you have done might do harm to others.(2)所引起这个事故的是一个神奇What caused the accident is a complete mystery.(3)我认为你会喜欢这枚邮票I think(that)you will like the stamps.,(1)直接与or not 边用时，只

28、用whether,不用if I dont know whether or not hell come.,(2)介词后面的宾语从句用whether,不用if,Everything depends on whether the situation will improve.,(2)whether 和 if的区别：whether 和 if 引导宾语从句时可以互换使用，但下列情况用whether不用if。,(3)引导的宾语从句放在句首时，用whether,不用if Whether he has stolen the money,I dont know.,（5）引导主语从句和表语从句以及同位语从句用wh

29、ether不用if Whether well go depends on the weather.The question is whether it is worth doing.(6)某些动词，如discuss等后习惯上只用 whether引导宾语从句，不用ifWe discussed whether we should hold a meeting.,(4)whether 可用在不定式前，if 则不能.,Please tell me whether to go or not.,Whether和if引导的宾语从句时，二者常可互换。I dont know if/whether you are

30、 satisfied with your work.引导否定的宾语从句时，通常用if 不用whetherI dont care if it doesnt rain.,注意,doubt用于肯定结构时，后面用whether/if 引导名词性从句；用于否定结构或疑问结构时，后面用 that 引导名词性从句。be sure 用于肯定句或疑问句时，后接 that 引导的名词性从句；用于否定句时，后接whether/if 引导的名词性从句。,I dont doubt(that)you will succeed.I dont know whether/if he will come tonight.I do

31、ubt if/whether you will keep your promise.,(3)、because与why because与why均可引导表语从句，但含义不同。because引导的表语从句说明理由。而why引导的表语从句是在前面已说明了理由的情况下加以小结。如：,(1)I think its because youre doing too much.(2)He was ill.That is why he was late for school.(3)The reason why he was late was that he was ill.,1.The photographs w

32、ill show you _（MET1989）A.what does our village look like B.what our village looks like C.how does our village look like D.how our village looks like,2.考查引导词that与what的区别,高考题例示：,1._we cant get seems better than _we have.(NMET1996)A.What;what B.What;that C.That;that D.That;what,2.No one can be sure _ i

33、n a million years.(MET1991)what man will look like B.what will man look like C.man will look like what D.what look will man like,3.考查it在名词性从句中作形式主语或形式宾语的用法,高考题例示：,1._ is a fact that English is being accepted as an international language.(NMET1995)A.There B.This C.That D.It,6.考查名词性从句的虚拟语气问题,高考题例示：,1.It is necessary that a college student _at least a foreign language.(上海1993)A.masters B.should master C.mastered D.will master,