名词性从句讲解练习高考英语_-高考.pdf
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1、学习好资料 欢迎下载 名词性从句 一、名词性从句的连接词 1从属连词 that,whether 和 if(1)that,whether,if 在从句中不充当任何成分,只起到连接从句的功能。that 没有实际意义,而 whether,if 意为“是否”。(2)whether 与 if 的用法比较 二者均可作“是否”讲,都可以引导名词性从句,引导宾语从句时可以互换。I dont know whether/if he ll attend the meeting.在下列情况下,常用 whether,不用 if。whether 引导从句可以放于句首。Whether he comes or not mak
2、es no difference.whether 可引导表语从句和同位语从句,if 不可。The question is whether it is worth trying.The question whether he should join the team has not been decided upon.whether 可以作介词宾语,if 则不可。I havent settled the problem of whether I ll lend him the money.whether 后可以加不定式,if 不可。He didnt know whether to get mar
3、ried or to wait.可以用 whether.or 引导让步状语从句,意为“无论,不论”,if 则不可。Whether it rains or snows,I dont care.2连接代词 引导名词性从句的连接代词有:who,whom,whose,what,which,whatever,whichever,whoever。连接代词在句中既起连接作用,同时又充当主语、宾语、定语、表语等成分。3连接副词 引导名词性从句的连接副词有:when,where,how,why。连接副词在句中既是连接词,又作状语。二、主语从句 1主语从句在复合句中充当主语,大多数主语从句都可以用 it 作形式主
4、语而把主语从句置于句尾。2that 引导主语从句时可用 it 作形式主语,that 不可省;what 引导的主语从句表示“的东西”时,一般不用 it作形式主语;whatever,whoever,whichever 一般也不用 it 作形式主语。That she will succeed is certain.It is certain that she will succeed.What he needs is more experience.(1)It系动词形容词(necessary,right,likely,unlikely,wrong,important,certain,clear,ob
5、vious,strange,normal等)that 从句 It is certain that most of the farmers have brought in more money by all means.(2)Itbe名词(短语)(a pity,a shame,good news,a fact,an honour,a wonder,no wonder 等)that 从句 Its no wonder that you ve achieved so much success.(3)Itbe过去分词(said,told,heard,reported,decided,suggested,
6、advised,ordered,remembered,thought,considered,well-known,announced 等)that 从句 It is said that the professor has already succeeded in carrying out the experiment.(4)It特殊动词(seem,appear,happen,matter)that 从句 It happened to me that I had been away when he called.注意:(1)在“It is necessary,important,strange,
7、naturalthat 从句”结构中,从句常用“(should)动词原形”形式。(2)在“Itbesuggested,advised,ordered,requested,insisted,requiredthat 从句”结构中,that 从句应用“(should)动词原形”。三、宾语从句 1动词的宾语从句(1)大多数动词(hope,tell,say 等)可以带宾语从句。We all expect that they will win,for members of their team are stronger.I dont think you are right.I dont suppose
8、he cares,does he?(2)动词 find,feel,think,consider,make,believe 等后有宾语补足语时,则需要 it 作形式宾语而将 that 宾语从句后置。学习好资料 欢迎下载 I think it necessary that we take plenty of boiled water every day.(3)有些动词带宾语从句时习惯上需要在宾语从句前加 it。这类动词(词组)有 hate,enjoy,like,love,dislike,see to等。I hate it when they talk with their mouths full.
9、2一般情况下介词后只能用 wh-类连接词引导宾语从句。We are talking about whether we admit students into our club.注意:(1)where 引导的从句有时也可用作介词的宾语。We could see the temple quite clearly from where we lived.(2)that 引导的从句作介词的宾语是很少有的,只有在 except,in,but 等介词后偶尔可能用到。Your composition is quite good except that the organization is a bit lo
10、ose.3sure,certain,glad,pleased,happy,surprised 等表示“情感”的形容词后也可带宾语从句。Im sure that they will make it in spite of the terrible weather.四、表语从句 1主句的主语是 idea,advice,suggestion,order,request,requirement 等名词时,表语从句的谓语应用虚拟语气,即“(should)动词原形”的形式。His suggestion is that we(should)change our course.2主语为名词 reason 时,
11、表语从句中的连接词要用 that,而不用 why 或 because。The reason for such a serious accident is that the driver was too careless and drank too much.3because,as if,as though,as,like 等连接词也可引导表语从句。He has heart disease.That is because he has been smoking too much.五、同位语从句 同位语从句是用以解释说明某一名词内容和实质的从句。1 能接同位语从句的名词有:belief,fact,
12、hope,idea,doubt,news,conclusion,suggestion,problem,order,answer,decision,explanation,information,thought 等。2同位语从句一般用 that 引导,但也可以用连接代词(what,which,who)、连接副词(when,where,why,how)或whether 引导。I have no idea what has happened to him.3有时同位语从句不紧跟在它所说明的某个名词后,而是被别的词隔开。The story goes that William Tell did kill
13、 the king with that sword.六、名词性从句的几个难点 1that 通常不可省略的四种情况:(1)引导主语从句,that 置于句首时不可省略。That he failed in the exam made his parents disappointed.(2)当一个句子有两个或多个并列的宾语从句时,引导第二个和以后几个从句的 that 不可省略。I wished(that)we could go sighting in Hangzhou this summer and that we could buy some books on our way back in Sha
14、nghai.(3)在由 it 作形式宾语,that 引导的宾语从句中,that 也不可省略。He has made it clear that he wouldn t agree to the plan.(4)引导表语从句和同位语从句时,that 也不可省略。2what 与 that 的区别:what 在从句中充当一定成分并且具有特定含义“的人(地方、东西)等”;that 只起引导作用,在主语从句中不充当任何成分并且也没有含义。What he said was true.That he came late made the teacher angry.名词性从句强化训练 1.Go and ge
15、t your coat.Its _ you left it.A.there B.where C.there were D.where there 2._ the sports meet will be held depends on the weather.A.When ever B.If C.Whether D.That 3.The problem is_ he has enough time.A.if B.whether C./D.that 4.He made a promise_ he would help me.A.what B.when C.that D.which 5.I reme
16、mber_ this used to be a quiet village.A.how B.when C.where D.what 能没有实际意义而意为是否与的用法比较二者均可作是否讲都可以引导名词性从句引导宾语从句时可以互换在下列情况下常用不用引导从句可以放于句首可引导表语从句和同位语从句不可可以作介词宾语则不可后可以加不定式不可用同时又充当主语宾语定语表语等成分连接副词引导名词性从句的连接副词有连接副词在句中既是连接词又作状语二主语从句主语从句在复合句中充当主语大多数主语从句都可以用作形式主语而把主语从句置于句尾引导主语从句时从句名词短语等从句去分词等从句特殊动词从句注意在从句结构中从句常
17、用动词原形形式在从句结构中从句应用动词原形三宾语从句动词的宾语从句大多数动词等可以带宾语从句动词等后有宾语补足语时则需要作形式宾语而将宾语学习好资料 欢迎下载 6.They lost their way in the forest and _ made matters worse was that night began to fall.A.that B.this C.what D.which 7.He told me the news _ the Queen would visit China the next month.A.that B.which C.when D.when 8.Whe
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