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名词性从句讲解在复合句中起名词作用的从句叫做名词性从句。
它包括主语从句、宾语从句、表语从句和同位语从句。
名词性从句是中学阶段的一个重要语法项目，在历年的高考中几乎都涉及到，并且每年的命题各有变化。
分析历届高考试题名词性从句考查的焦点主要有以下六个方面1. 考查名词性从句的语序问题2. 考查引导词that与what的区别3. 考查it在名词性从句中作形式主语或形式宾语的用法4. 考查whether与if的区别5. 考查名词性从句中的疑问词+ever引导的名词性从句与no matter+疑问词引导的状语从句的区别6. 考查名词性从句的虚拟语气问题语法要点剖析一、名词性从句主语从句、表语从句、宾语从句、同位语从句，在整个句子中所起的作用，相当于一个名词。
因此，这四种从句通称为名词性从句。
引导名词性从句的连接词可分为三类：连接词：that, whether, if （不充当从句的任何成分）连接代词：what, whatever, who, whoever, whom, whose, which.连接副词：when, where, how, why1. 主语从句作句子主语的从句叫主语从句。
主语从句通常由从属连词that，whether，if和连接代词what，who，which，whatever，whoever以及连接副词how，when，where，why等词引导。
that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。
例如：What he wants to tell us is not clear. 他要跟我们说什么，还不清楚。
It is known to us how he became a writer. 我们都知道他是如何成为一名作家的。
Where the English evening will be held has not yet been announced.英语晚会将在哪里举行，还没有宣布。
名词性从句讲解(最全版)名词性从句是一个从句，它在句子中充当名词的角色。
它可以作为主语、宾语、表语、同位语或介词宾语。
名词性从句通常由连接词引导，如that、whether、if、who、whom、whose、which、what等。
1. 作为主语：名词性从句可以作为主语，取代一个名词或名词短语，引导词通常为that或whether。
例如：- What you said is true.（你说的是真的。
）- Whether he will come is still uncertain.（他是否会来还不确定。
）2. 作为宾语：名词性从句可以作为及物动词或介词的宾语，引导词通常为that、whether、if、who、whom、whose、which、what等。
例如：- She asked me what I wanted.（她问我想要什么。
）- I don't know if/whether he will come.（我不知道他是否会来。
）3. 作为表语：名词性从句可以作为系动词的表语，引导词通常为that、whether、who、whom、whose、which、what等。
例如：- The problem is that she doesn't understand.（问题在于她不理解。
）- The question is who will take care of them.（问题是谁会照顾他们。
）4. 作为同位语：名词性从句可以作为同位语，解释或说明前面的名词或代词，引导词通常为that、whether、who、whom、whose、which、what等。
例如：- The fact that he lied surprised me.（他撒谎的事实让我感到惊讶。
）- His belief that she will succeed is unwavering.（他坚信她会成功。
名词性从句用法归纳（精选多篇）第一篇：名词性从句用法归纳名词性从句：在句子中起名词作用的句子叫名词性从句(Noun Clauses）。
名词性从句在复合句中能担任:主语、宾语、表语、同位语、介词宾语等。
名词性从句分为：主语从句、宾语从句、表语从句和同位语从句。
一、引导名词性从句的连接词引导名词性从句的连接词可分为三类：1、从属连词（5个）：（1）that无词义，在从句中不做成分，在宾语从句或表语从句中that有时可以省略（2）whether，if 有词义，在从句中不做成分（whether，if均表示“是否”之意，表明从句内容的不确定性）不可以省略（3）as if, as though（均表示“好像”，“似乎”之意）在从句中不做成分2、连接代词（9个）：what, whatever, who, whoever, whom, whomever, whose, which, whichever，有词义，在从句中做成分，不可以省略（who what which 在从句中做主语、宾语、其中what 指代没有范围的事物，which指代有范围的事物，表“选择哪一个”whom做宾语whose 做定语）3、连接副词（7个）：when, where, how, why, whenever, wherever, however有词义，在从句中做状语，不可以省略4、that省略的情况：（1）定语从句中做宾语（2）that引导宾语从句时（3）that引导表语从句时（4）主语从句中it做形式主语，that从句置于句末时5、that不可省略的情况：（1）定语从句中做主语（2）由that引导主语从句放句首时（3）that引导同位语从句时（4）宾语从句中i it做形式宾语，真正的that宾语从句中that不可以省略ii 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句子中的that不可以省略iii 与动词相隔的宾语从句，不可以省略iv that引导的宾语从句放在句首时，不可以省略二.主语从句1、主语从句：作句子主语的从句叫主语从句。
高中英语语法名词性从句专题讲解一、that 从句1、主语从句（1）that从句作主语时，常用it作形式主语，常见的句型有：It+be+形容词（obvious, true, natural,surprising,good,wonderful,funny,possible,likely,certain,prob able,etc.）+that从句It+be+名词词组（no wonder, an honor, a good thing, a pity, no surprise, etc.）+that从句It+be+过去分词（said, reported, thought, expected, decided, announced, arranged, etc.）+that从句（2）that可以省略，但that从句位于句首时，that不能省略。
2、宾语从句（1）常见的可以接that从句作宾语的动词有see, say, know, imagine, discover, believe, tell, show, think, consider, be sure, be afraid等。
在可以接复合宾语的动词之后，如think, make, consider等，可以用it作形式宾语。
（2）That从句一般不能充当介词宾语，偶尔可作except, in 的宾语。
3、表语从句（that不可省略）4、同位语从句连词that引导同位语从句时，应在某些抽象名词之后，如：fact, hope, desire, thought, suggestion, idea, news, problem, possibility等，对前面的名词起补充说明的作用，that在从句中不担当任何成分，不能省略。
二、whether/if从句1、在表语从句和同位语从句中只能用whether不能用if;当主语从句放于句首时，只能用whether不用if;当it作形式主语，主语从句放在句末时用whether或if均可；discuss后引导宾语从句时，必须用whether。
初中英语语法专题—名词性从句讲解名词性从句是由连接词引导的从句，用作名词的成分，常常在句子中充当主语、宾语、表语、同位语等，起到连接主句与从句的作用。
下面就是名词性从句的不同类型及其用法：主语从句主语从句作为句子的主语部分，通常由连接词 "that" 或"whether" 引导。
例如：- That he is late is not surprising.（他迟到了并不令人惊讶。
）That he is late is not surprising.（他迟到了并不令人惊讶。
）- Whether we can win the game is uncertain.（我们是否能赢得比赛还不确定。
）Whether we can win the game is uncertain.（我们是否能赢得比赛还不确定。
）宾语从句宾语从句作为句子的宾语，通常由连接词 "that" 或 "whether"引导。
例如：- I wonder whether he has finished his homework.（我想知道他是否完成了他的作业。
）whether he has finished his homework.（我想知道他是否完成了他的作业。
）表语从句表语从句用来补充说明主语的性质或状态，通常由连接词"that" 或 "whether" 引导。
例如：- The truth is that he is a good student.（事实是他是个好学生。
）that he is a good student.（事实是他是个好学生。
）- My concern is whether he understands the instructions.（我关心的是他是否理解了这些指示。
）whether he understands the instructions.（我关心的是他是否理解了这些指示。
名词性从句一、知识储备二、考点及考查频率1．宾语从句：①连接代词 (32/101 )②连接副词(11/101 ) ③连接词(2/101)2. 主语从句：①连接代词(14/101) ②连接词(1/101)3. 表语从句：①连接副词(6/101) ②连接代词 (3/101)4. 同位语从句：(16/101)5.wh-ever引导的名词性从句：(10/101)6.that用法(6/101)（1）宾语从句连接代词高三1.How much one enjoys himself travelling depends largely on he goes with，whether his friends or relatives．A．what B．who C．how D．why2. I want to be liked and loved for I am inside.名词性从句A. whoB. whereC. whatD. how3.Before the sales start, I make a list of ______ my kids will need for the coming season.名词性从句A. whyB. whatC.howD. which4. As a new graduate, he doesn’t know it takes to start a business here.A. howB. whatC. WhenD. which5. Many young people in the West are expected to leave __ could be life' s most important decision -- marriage -- almost entirely up to luck.A. asB. thatC. whichD. what6.2.The companies are working together to create _____ they hope will be the best means of transport in the 21st century.A. whichB. thatC. whatD. who7.When asked _____ they needed most, the kids said they wanted to feel important and loved.A. whatB. whyC. whomD. which8.People in Chongqing are proud of they have achieved in the past ten years.A. thatB. whichC. whatD. how9.Some children want to challenge themselves by learning a language different from ____ their parents speak at home.A. whatB. thatC. whichD. one10.You can only be sure of ____you have at present; you cannot be sure of something ___ you might get in the future.A. that; whatB. what; /C. which; thatD. /; that11.Choosing the right dictionary depends on ______you want to use it for.A. whatB. whyC. howD. whether12.By improving reading skills, you can read faster and understand more of you read．A．that B．what C．which D．whether13.--- Could you do me a favour?--- It depends on ______ it is.A. whichB. whicheverC. whatD. whatever14.–What did your parents think about your decision?–They always let me do _____ I think I should.A. whenB. thatC. howD. what15.He spoke proudly of his part in the game, without mentioning ____ his teammates had done.A. whatB. whichC. whyD. while16.I was surprised by her words, which made me recognize ___ silly mistakes I had made.A. whatB. thatC. howD. which17.The way he did it was different _______ we were used to .A．in which B．in what C．from what D．from which18.The shopkeeper did not want to sell for ______ he thought was not enough.A. whereB. howC. whatD. which19.The other day, my brother drove his car down the street at ___ I thought was a dangerous speed.A. asB. whichC. whatD. that20.A modern city has been set up in ＿＿＿was a wasteland ten years ago .A. whatB. whichC. thatD. where21.I think Father would like to know ____ I've been up to so far, so I decide to send him a quick note.A. whichB. whyC. whatD. how22.After Yang Li wei succeeded in circling the earth, _______ our astronauts desireto do is walk in space.A. whereB. whatC. thatD. how23.People have heard what the President has said；they are waiting to see _____ hewill do．A．how B．what C．when D．that24.—I think it’s going to be a big problem. —Yes, it could be.—I wonder ＿＿ we can do about it.A. ifB. howC. whatD. that25.When you answer questions in a job interview. Please remember the golden rule;Always give the monkey exactly ＿＿ he wants.A. whatB. whichC. whenD. that26.The mother didn't know _____ to blame for the broken glass as it happened whileshe was out.A. whoB. whenC. howD. what27.It is said in Australia there is more land than the government knows ____.A. it what to do withB. what to do it withC. what to do with itD. to do whatwith it28.Perseverance is a kind of quality--- and that's ____ it takes to do anything well.A. whatB. thatC. whichD. why29.A computer can only do ____ you have instructed it to do.A. howB. afterC. whatD. when30.Little Tommy was reluctant to tell the schoolmaster ____ he had done the day before.A．That B．how C．Where D．what高二31.No one can be sure _____ in a million years.A.what man will look likeB. what will man look likeC. man will look like whatD. what look will man like高一32.These photographs will show you ______.A. what does our village look likeB. what our village looks likeC. how does our village look likeD. how our village looks like连接副词高三1.We haven’t dicussed yet _______ we are going to place our new furniture.名词性从句A．that B．which C．what D．where2.Cindy shut the door heavily and burst into tears. No one in the office knew shewas so angry.名词性从句A. whereB. whetherC. thatD. why3. —It’s no use having ideas only.—Don’t wo rry. Peter can show you to turn an idea into an act.名词性从句A. howB. whoC. whatD. where4.— I wonder ________ you’ll water this kind of flower .—Every other day.A. how oftenB. how longC. how soonD. how much5.Mary wrote an article on _______the team had failed to win the game .A．why B．what C．who D．that6.The old lady’s hand shook frequently. She explained to her doctor ______ this shaking had begun half a year before, and _____, only because of this, she had been forced to give up her job.A. when ; howB. how ; whenC. how ; howD. why ; why7.Parents are taught to understand ______ important education is to their children's future.A. thatB. howC. suchD. so高二8.—Do you remember ______ he came?—Yes, I do, he came by car.A. howB. whenC. thatD. if9.I remember____ this used to be a quiet village.A. whenB. howC. whereD. what10.Can you make sure ______ the gold ring?A.where Alice had putB.where had Alice putC.where Alice has putD.where has Alice put高一11.Can you tell me _____the railway station?A. how I can get toB. how can I get toC. where I can get toD. where canI get to连接词高三1.We haven't settled the question of ______ it is necessary for him to study abroad.A. ifB. whereC. whetherD. that高一2.Ask her_____ come with me.A if she willB if will sheC whether will sheD will she（2）主语从句连接代词高三1._____ is known to us all is that the 2008 Olympic Games will take place in Beijing.A. ItB. WhatC.As D. Which2._____ was most important to her, she told me, was her family.A. ItB. ThisC. WhatD. As3._____ matters most in learning English is enough practice.A. WhatB. WhyC. WhereD. Which4.It is none of your business ______ other people think about you. Believe yourself.It句型A. howB. whatC. whichD. when5. parents say and do has a life-long effect on their children.A. ThatB. WhichC. WhatD. As6.____ he referred to in his article was unknown to the general reader.A. ThatB. WhatC. WhetherD. Where7.____makes this shop different is that it offers more personal services.A. WhatB. WhoC. WhateverD. Whoever8.After Yang Li wei succeeded in circling the earth, _______ our astronauts desireto do is walk in space.A. whereB. whatC. thatD. how9.____ made the school proud was _____ more than 90%of the students had beenadmitted to key universities.A. What; becauseB. What; thatC. That; whatD. That; because10.It is pretty well understood ___ controls the flow of carbon dioxide in andout the atmosphere today. It句型A. thatB. whenC. whatD. how11.I read a bout it in some book or other, does it matter_______it was?A．where B．what C．how D．which高二12.____ he said at the meeting astonished everybody present.A. WhatB. ThatC. The factD. The matter高一13._______ you have done might do harm to other people.A. ThatB. WhatC. WhichD. This14.______ he said is true.A. WhatB. ThatC. WhichD. Whether连接词高二1____ the 2000 Olympic Games will be held in Beijing is not known yet.A. WheneverB. IfC. WhetherD. That（3）表语从句连接副词高三1.-I prefer shutting myself in and listening to music all day on Sundays.-Th at’s_______I don’t agree .You should have a more active life.A.whereB.howC.whenD.what2.The last time we had great fun was _____ we were visiting the Water Park.A. whereB. howC. whenD. why3.Why not try your lick downtown, Bob? That’s ______ the best jobs are.A. whereB. whatC. whenD. why4.You are saying that everyone should be equal, and this is _______I disagree.A. whyB. whereC. whatD. how高二5.－Idrove to Zhuhai for the air show last week. －Is that ＿＿ you had a few days off?A. whyB. whenC. whatD. where6.Go and get your coat. It's _____ you left it.A. thereB. whereC. there whereD. where there连接代词1.See the flags on top of the building? That was______ we did this morning. 连接A. whenB. whichC. whereD. What2.Great changes have taken place in that school. It is no longer _____ it was 20 years ago, _____ poorly equipped. 连接A. what; whenB. that; whichC. what; whichD. which; that3.—Are you still thinking about yesterday's game？—Oh，that's_____ ．A．what makes me feel excited B．whatever I feel excited aboutC．how I feel about it D．when I feel excited（4）同位语从句高三1.A warm thought suddenly came to me ______I might use the pocket money to buysome flowers for my mother’s birthday．A．if B．when C．that D．which2.--- It's thirty years since we lest met.--- But I still remember the story, believe it or not, ____we got lost on a rainy night.A. whichB. thatC. whatD. when3.There is much chance _____Bill will recover from his injury in time for therace.A. thatB. whichC. untilD. if4.Nobody believed his reason for being absent form the class ____he had to meethis uncle at the air port.A. whyB. thatC. whereD. because5.Along with the letter was his promise ____ he would visit me this comingChristmas.A. whichB. thatC. whatD. whether6.A story goes ______ Elizabeth I of England liked nothing more that beingsurrounded by clever and qualified noblemen at court.A. whenB. whereC. whatD. that7.There is a new problem involved in the popularity of private cars ____ roadconditions need ___.A. that; to be improvedB. which; to be improvedC. where; improvingD. when; improving8.There's a feeling in me ____ we'll never know what a UFO is ---not ever. (2002上海)A. thatB. whichC. of whichD. whatrmation has been put forward ___ more middle school graduates will beadmitted into universities.A. whileB. thatC. whenD. as10.News came from the school office ________Wang Lin had been admitted to Beijing University. A. which B. what C. that D. where 11. — Is there any possibility ________ you could pick me up at the airport ?— No problemA. whenB. thatC. whetherD. what12. We should consider the students’ request ___the school library provide more books on popular science.A. thatB. whenC. whichD. where13. The fact has worried many scientists ____ the earth is becoming warmer and warmer these years.A. whatB. whichC. thatD. though14.Tomorrow is Tom’s birthday. Have you got any idea the party is to be held?A. whatB. whichC. thatD. where15.Do you have any idea ________ is actually going on in the classroom?A．that B．what C．as D．which高一16.They have no idea at all ______ .A. where he has goneB. where did he goC. which place has he goneD. where has he gone（5）wh-ever引导的名词性从句高三1.-- How about camping this weekend, just for a change?-- OK, __ you want.（2010浙江）A. whicheverB. howeverC. whateverD. whoever2.______wants to stay in a hotel has to pay their own way.A. AnyoneB. The oneC. WhoeverD. Who3.____ team wins on Saturday will go through to the national championships.A. No matter whatB. No matter which C Whatever D. whichever4.The poor young man is ready to accept ______ help he can get.A．whichever B．however C．whatever D．whenever5.Eat _______ cake you like and leave the others for _______ comes in late.A. any; whoB. every; whoeverC. whichever; whoeverD. either; whoever6.These wild flowers are so special I would do ______ I can to save them.A. whateverB. thatC. whichD. whichever高二7.It is generally considered unwise to give a child _____he or she wants.A. howeverB. whateverC. whicheverD. whenever8. She is very dear to us. We have been prepared to do ______ it takes to save her life.A. whicheverB. howeverC. whateverD. whoever9.Could I speak to ______ is in charge of International Sales please?A. whoB. whatC. whoeverD. whatever10．The how-to book can be of help to _______ wants to do the job.A．who B．whomever C．no matter who D．whoever（6）that 用法高三1.Having checked the doors were closed , and ______ all the lights were off, the boy opened the door to his bedroom.A. whyB. thatC. whenD. where2.The thought of going back home was kept him happy while he was working abroad．A．that B．all that C．all what D．which3.The traditional view is ______ we sleep because our brain is “programmed” to make us do so.A. whenB. whyC. whetherD. that4.With his work completed, the businessman stepped back to his seat, feeling pleased ____he was a man of action.A. whichB. that C .what D. whether5.____ made the school proud was _____ more than 90%of the students had been admitted to key universities.A. What; becauseB. What; thatC. That; whatD. That; because6.＿＿ fashion differs from country to country may reflect the cultural differences from one aspect.A. WhatB. ThatC. ThisD. Which三、易错题1.I prefer shutting myself in and listening to music all day on Sundays.-That’s_______I don’t agree .You should have a more activ e life.A.whereB.howC.whenD.what2. I want to be liked and loved for I am inside.名词性从句A. whoB. whereC. whatD. how3.The last time we had great fun was _____ we were visiting the Water Park.A. whereB. howC. whenD. why4.______wants to stay in a hotel has to pay their own way.A. AnyoneB. The oneC. WhoeverD. Who5.You can only be sure of ____you have at present; you cannot be sure of something ___ you might get in the future.A. that; whatB. what; /C. which; thatD. /; that6.Having checked the doors were closed , and ______ all the lights were off, the boy opened the door to his bedroom.A. whyB. thatC. whenD. where7.Why not try your lick downtown, Bob? That’s ______ the best jobs are.A. whereB. whatC. whenD. why8.The thought of going back home was kept him happy while he was working abroad．A．that B．all that C．all what D．which9.The traditional view is ______ we sleep because our brain is “programmed” to make us do so.A. whenB. whyC. whetherD. that10.____ team wins on Saturday will go through to the national championships.A. No matter whatB. No matter which C Whatever D. whichever11.Great changes have taken place in that school. It is no longer _____ it was 20 years ago, _____ poorly equipped.A. what; whenB. that; whichC. what; whichD. which; that12.Some researchers believe that there is no doubt ______ a cure for AIDS will be found.A. whichB. thatC. whatD. whether13.The old lady's hand shook frequently. She explained to her doctor ______ this shaking had begun half a year before, and _____, only because of this, she had been forced to give up her job.A. when; howB. how; whenC. how; howD. why; why14.Parents are taught to understand ______ important education is to their children's future.A. thatB. howC. suchD. so15.You are saying that everyone should be equal, and this is _______I disagree.A. whyB. whereC. whatD. how16.＿＿ fashion differs from country to country may reflect the cultural differences from one aspect.A. WhatB. ThatC. ThisD. Which17.____ the 2000 Olympic Games will be held in Beijing is not known yet.A. WheneverB. IfC. WhetherD. That18.No one can be sure _____ in a million years.A.what man will look likeB. what will man look likeC. man will look like whatD. what look will man like19.We should consider the students’ request ___the school library provide more books on popular science. (重庆)A. thatB. whenC. whichD. where答案1、宾语从句ACBB D CACAB ABCDA ACCCA CBBCA ACACD A BDDA AA CBACA2、主语从句BCABC BABBC BABAC3、表语从句A CABA BDAA4、同位语从句CBABB DAABC BACCA A5、wh-ever引导的名词性从句C CDCC ABCCD6、that用法BBDBB B易错题AC CCB BABDD ABCBB BCAA。
名词性从句的语法解析名词性从句是指在句中充当名词的成分的从句，可以作主语、宾语、表语、同位语等。
名词性从句的引导词有“从属连词”和“连接代词”两种。
一、主语从句主语从句在句中充当主语，常引导主语从句的连接词有“that”和“whether/if”。
其中，“that”在口语中常省略，而“whether/if”则一般用于句中有“or not”时。
例如：1. That he passed the exam is good news.（非正式：He passed the exam is good news.）2. Whether he will come to the party is still uncertain.（非正式：If he will come to the party is still uncertain.）二、宾语从句宾语从句在句中充当宾语，常引导宾语从句的连接词有“that”、“whether/if”、“what”和“who/whom”。
其中，“that”在口语中常省略。
例如：1. She said that she would go shopping later.（非正式：She said she would go shopping later.）2. I don't know whether/if he is coming to the party.（非正式：I don't know if he is coming to the party.）3. She asked me what I wanted for dinner.4. He asked who/whom I was talking to on the phone.三、表语从句表语从句在句中充当表语，常引导表语从句的连接词有“that”、“whether/if”和“what”。
例如：1. The important thing is that we are safe.（非正式：The important thing is we are safe.）2. The question is whether/if he will pass the exam.3. The problem is what we should do next.四、同位语从句同位语从句通常用来进一步解释说明某个名词或代词指代的内容，引导同位语从句的连接词有“that”、“whether/if”、“what”、“who/whom”等。
