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语法复习之名词性从句名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。
因此，名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。
（一）引导名词性从句的连接词1、连接代词：who, whose, whom, what, which。
有词义，在从句中担任成分，如主语、表语、宾语、或定语等。
2、连接副词：when, where, why, how。
有词义，在从句中担任成分，作状语。
3、连接词：that, whether, if, as if。
that 无词义，在从句中不担任成分，有时可省略；if (whether), as if虽有词义，但在从句中不担任成分。
注意：连接代词与连接副词在句中不再是疑问句，因而从句中谓语不用疑问式。
连接代词与连接副词在从句充当句子成分，连接词whether 和if（是否），as if（好象）在从句中不充当句子成分，只起连接作用。
根据句义，如果连接代词与连接副词，whether、if 和as if都用不上时，才用that作连接词（that本身无任何含义）。
（二）主语从句1、主语从句在复合句作主语。
e.g. Who will go is not important.2、用it作形式主语，主语从句放在句末。
e.g. It doesn’t matter so much whether you will come or not.3、that引导主语从句时，不能省略。
e.g. That he suddenly fell ill last week made us surprised.（三）表语从句1、表语从句在复合句中作表语，位于系动词之后。
e.g. The question was who could go there.2、引导表语从句的连接词that有时可省去。
e.g. My idea is (that) we can get more comrades to help in the work.（四）宾语从句1、宾语从句在复合句中作宾语。
（完整版）高中英语名词性从句讲解（可编辑修改word版）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。
2010 高考二复英教学设计九名性从句【典例精析】1.(2007 山， 22 )Could I speak to ____is in charge of International Sales ,please ?A. anyoneB. someoneC. whoeverD. no matter who【解析】 C.“ is in charge of International Sales ”表从句，缺少引和主。
其中 A. B. 后边需加定从句引who ；而 no matter who不能够引名性从句，只能引状从句。
2.（2008 重，25 ） People in Chongqing are proud of __they have achieved in the past ten years .A. that 【解析】B. which C what D. howC “ they have achieved in the past ten years”做介of 的，从句中缺少have achieved 的。
3.（2008 山， 23 ） ____was most important to her ,she told me ,was her family .A. It B This C. What D. As【解析】 C.句子的骨干“____was most important to her was her family”很明此句的主是个从句，主从句中缺主。
4.（09 山） The little girl who got lost decided to remain _________she was and wait tor her mother.A. whereB. whatC. howD. who【解析】 A remain 是系，后加表从句，由句意可知，从句缺地点状，因此A。
5（. 09 湖南）She is very dear to us. We have been prepared to do it takes to save her life.A. whicheverB. howeverC. whateverD. whoever【解析】 C 名性从句的引。
2020高考英语名词性从句考点解读1.[2018 •全国卷H] I m not sure is more frightened , me or the female gorilla （大猩猩）that suddenly appears out of nowhere.2.[2016 •浙江卷自选模块] Recently, I asked her gave her the confidence to keep challenging the status quo（现状）.3.[2016 •全国卷曲文改错] My uncle is the owner of a restaurant close to that I live.4.[2016 •全国卷则文改错] The summer holiday is coming.My classmates and I are talking about how to do during the holiday.5.[2016 • d匕京卷变式] Your support is important to our work. you can do helps.考点一that引导的名词性从句规则that引导的主语从句、宾语从句和表语从句连词that在引导名词性从句日本身没有意义，在从句中不担任任何句子成分，但引导主语从句、表语从句、同位语从句时不能省略。
在宾语从句中有时可省略。
①As I searched the name Linda on the Internet ,it became evident that there re two with the same name who look completely different.当我在网上搜索Linda这个名字的时候，很显然有两个看着完全不同但姓名相同的人。
（主语从句）②I find it necessary that we should spend more time practising spoken English.我发现我们有必要花更多时间练习英语口语。
专题十名词性从句【高频考点解读】考查名词性从句中引导词的选用，区分what，that，wh-ever，whether，if等连接代词和连接副词的语义功能和语法功能。
尤其是把名词性从句与定语从句放在一起进行综合考查，增加了试题的难度。
【热点题型】题型一考查主语从句及连接词的辨析例1、It is by no means clear the president can do to end the strike.A．how B．which C．that D．what【提分秘籍】that与what的区分1．引导名词性从句时，that没有意义，在从句中不作任何成分。
因此当从句意义完整，不缺任何成分时，往往用that，that引导主语从句、同位语从句、表语从句时不行省略。
2．what引导名词性从句时，意为“什么”(有时候可以不译出来)在从句中作主语、表语或宾语，从不行省略。
【举一反三】It suddenly occurred to him he had left his keys in the office.A．whether B．whereC．which D．that【热点题型】题型二考查宾语从句及连接词的辨析例2、We promise attends the party a chance to have a photo taken with the movie star.A．who B．whomC．whoever D．whomever 【提分秘籍】“疑问词”与“疑问词＋ever”的区分“疑问词＋ever”可以引导名词性从句，含有“无论……”之意，用法与“疑问词”一样，只是语气比疑问词本身的语气猛烈得多。
“疑问词＋ever”与“no matter＋疑问词”的区分①“疑问词＋ever”引导名词性从句时，whoever＝anyone who，whatever＝anything that等。
如：Whoever(＝Anyone who)comes is welcome.②“no matter＋疑问词”只能用来引导状语从句。
适用文档名词性从句解说在复合句中起名作用的从句叫做名性从句。
它包含主从句、从句、表从句和同位从句。
名性从句是中学段的一个重要法目，在年的高考取几乎都波及到，而且每年的命各有化。
解析届高考名性从句考的焦点主要有以下六个方面1. 考名性从句的序2. 考引 that 与 what 的区3. 考 it 在名性从句中作形式主或形式的用法4. 考 whether 与 if 的区5. 考名性从句中的疑+ever 引的名性从句与no matter+ 疑引的状从句的区6.考名性从句的虚气法重点解析一、名性从句主从句、表从句、从句、同位从句，在整个句子中所起的作用，相当于一个名。
所以，四种从句通称名性从句。
引名性从句的接可分三：接： that, whether, if（不充任从句的任何成分）接代： what, whatever, who, whoever, whom, whose, which.接副： when, where, how, why1.主从句作句子主的从句叫主从句。
主从句往常由附属that ，whether ，if和接代what ，who，which ，whatever ， whoever 以及接副 how， when， where， why 等引。
that 在句中无，只起接作用；接代和接副在句中既保存自己的疑含、又起接作用，在从句中充任从句的成分。
比如：What he wants to tell us is not clear.他要跟我什么，不清楚。
It is known to us how he became a writer.我都知道他是如何成一名作家的。
Where the English evening will be held has not yet been announced.英晚会将在哪里行，没有宣告。
有防止句子重脚，常用形式主it取代主从句作形式主放于句首，而把主从句置于句末。
主从句后的一般用数形式。
高考英语专题名词性从句知识点全集汇编附解析一、选择题1．—How do you find the 5G cell phones?—Oh,quite good.A new function has been developed on this new model_____it has faster data transmission and lower delayA．that B．which C．what D．whether2．It is _______ he said _______ is very important to me.A．what; that B．that; that C．all that; what D．which; that 3．Thor is no longer _______ he was two years ago.A．that B．who C．what D．which4．His mother did _______ she could ______ the boy.A．what help B．that help C．what to help D．that to help5．It is widely believed that _______ has necessary good qualities is more____ to achieve success in their career.A．whoever; possible B．who; likely C．who; possible D．whoever; likely 6．Filled with anger, a person tends to say ______ comes to his mind.A．whatever B．whichever C．whenever D．whoever7．The other day, my brother drove his car down the street at _____ was a dangerous speed. A．as B．what C．which D．that8．Anyone with common sense is able to make the proper decision and do ______ suits the occasion best.A．no matter what B．no matter how C．whatever D．however9．— Would you please tell us the prospect of fighting against COVID-19?—We are sure to win the battle, but ______ it’ll be over soon I’m not sure at the moment. A．whether B．that C．if D．when 10．—Friends are very important for teenagers.—Yes. A friend will be listened to___________a parent or a teacher might not.A．where B．what C．why D．which 11．Education is ______________ survives when knowledge taught in class has been forgotten. A．how B．who C．what D．which 12．Andrew is such a rebellious person that he often offends against _______ others consider accepted rules.A．that B．what C．which D．whether 13．Considerable evidence has been found over the years ________lack of exercise is connected with increased risk of cancer.A．whether B．thatC．why D．how14．The weather is fine. I’m sure ________ we can go camping this afternoon.A．why B．what C．that D．if15．Many experts stick to the view ______ teacher development is the key to the education quality.A．which B．what C．that D．where16．It was__ he said__ disappointed me.A．that；what B．what；that C．what；what D．that；that 17．There is a common belief among the students in our school _____ they should make great efforts to learn and reach the peak of their academic performances.A．which B．that C．whether D．if18．Everyone faces challenges in life. It’s a matter of __________ you learn to overcome them and use them to your advantage.A．that B．what C．which D．how19．Police have found ________ appears to be the lost ancient statue.A．which B．where C．how D．what20．In my view, ______ impresses me about her writing is the passion she shows.A．who B．which C．what D．whether21．He explained ______ for his father's birthday party.A．why was he late B．why is he lateC．why he is late D．why he was late22．Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.A．whether B．whyC．when D．how23．—Could you show me_____?—Sure.A．where is the library B．where the library is C．how can I go to the library 24．Word came _______ Chinese climbers made it to the top of Mount Qomolangma once again on May, 27th. I was always wondering _______ they managed to make such a great achievement . A．which; why B．that; why C．that; how D．when; how 25．Their ship was blown off course by strong wind, and they arrived in ________is known as Greenland by chance.A．where B．when C．what D．which【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【解析】【分析】【详解】考查同位语从句。
专题三名词性从句名词性从句指在复合句中起名词作用的从句，它在句子中可作主语、宾语、表语或同位语。
名词性从句既是中学英语教课的要点，也是高考考察的热门。
一、名词性从句的分类名词性从句包含主语从句、宾语从句、表语从句和同位语从句。
其连结词有 that, if, whether；连结代词 who, what, which；连结副词 when, where, how, why 等。
考察热门一：对主语从句的考察主语从句在复合句中充任主语，它能够放在主句谓语动词以前。
但为了保持句子均衡，多半状况下可用it 作形式主语，而把主语从句置于句尾。
考察热门二：对宾语从句的考察宾语从句在句子中作及物动词或介词的宾语。
假如主句的谓语动词是及物动 make, find, see, think 等，则把宾语从句置于宾语补足语以后，用it 作形式宾语。
此外，某些作表语的形容词，如 sure, happy, glad, certain 等以后也能够带宾语从句。
考察热门三：对表语从句的考察表语从句在句子中作表语，位于主句中的系动词以后。
考察热门四：对同位语从句的考察同位语从句一般跟在某些抽象名词以后，进一步说明该名词所表示的详细内容。
可跟同位语从句的名词主要有：fact, idea, news, promise, belief, condition, doubt, fear, hope, problem, proof, question, reply, report, suggestion, thought, truth等。
二、对名词性从句的考察应注意以下几点：考察热门五：考察名词性从句的语序和主从句时态名词性从句均应用陈说句语序，其时态要保持主从句时态一致性。
考察热门六：从语境和句子构造需要出发，选择适合的连词（I）连词that 和what：that 无实质意义，在从句中不充任任何成分，只起连结主从句的作用；如 that 指引宾语从句，常可省略；如指引主语从句、表语从句或同位语从句， that 不可以省略。
名词性从句在句子中起名词作用的从句叫名词性从句。
名词性从句的功能相当于名词词组，它在复合句中能担任主语、宾语、表语、同位语，因此根据它在句中不同的语法功能，名词性从句又可分为主语从句、宾语从句、表语从句、同位语从句。
引导名词性从句的词叫做连接词，包括：1. 连词（在名词性从句中只起连接作用，不作成分）2. 连接代词（在名词性从句中作主语、宾语或表语）3. 连接副词（在名词性从句中作状语）所有的名词性从句的语序都是陈述句语序。
主语从句：是在主句中作主语的从句。
它由连接词引导，通常位于谓语动词之前。
连接词：1. 连词：在从句中不充当任何成分，常见的引导主语从句的连词有that, whether。
That he got the first prize excited him much.他获得一等奖一事使他非常兴奋。
It is doubtful whether we can get there on time.我们能否按时到达那儿还不确定。
1）that引导的主语从句：在从句中不作任何成分，也没有实际意义。
一般情况下that不可省略。
That light travels in straight lines is known to all.众所周知，光沿直线传播。
That you don't like him is none of my business.你不喜欢他不关我的事。
2）whether引导的主语从句：常置于句首，表示“是否”之意；if一般不引导主语从句。
Whether he can finish his task on time is of greatimportance.他是否能按时完成任务非常重要。
Whether you can succeed or not depends on how hard you work at it.你能否成功取决于你努力的程度。
连接代词：在从句中起名词或代词的作用，常作从句的主语、宾语、表语或定语，有具体意义且不能省略。
高考必考语法精讲精练语法专题十：名词性从句名词性从句是比较重要的语法项目。
《2017年普通高等学校招生全国统一考试大纲》附录语法项目表中对名词性从句列了四项：主语从句、宾语从句、表语从句和同位语从句。
全国卷新课标Ⅰ对名词性从句的考查一般在语法填空和短文改错中，主要考查从句引导词的用法。
2015年高考全国卷Ⅰ没有考查名词性从句。
2016年高考全国卷Ⅰ第71题（短文改错）考查了宾语从句的引导词，My uncle is the owner of a restaurant close to that I live.本句中须将that改为where。
2017年高考全国卷Ⅰ没有考查了名词性从句。
在复合句中起名词作用的从句叫做名词性从句。
名词可以充当句子的主语、宾语、表语和同位语，因此，名词性从句包括主语从句，宾语从句，表语从句和同位语从句。
①What was most important to her was her family.(主语从句)②I don’t kno w what you want to say.(宾语从句)③The good news is that we have won the game.(表语从句)④The news that we have won the game is true.(同位语从句)注意：连词that在引导名词性从句时无词义，不充当句子成分，只起连接作用，在主语从句、表语从句和同位语从句中不能省略，在引导宾语从句时，口语或非正式的文体中常被省去；疑问代词、疑问副词、缩合连接词以及关联短语在句中既保留自己的含义又起连接作用，在从句中充当成分。
名词性从句一般都用陈述句．．．的语序，即使从句表达的是疑问含义。
例如：①The problem is what he has done to the little boy.②We all don’t know when he will come.1. 主语从句在复合句中作主语的句子叫主语从句主语从句通常由从属连词that，whether 和连接代词what, who,which,whatever, whoever以及连接副词how,when,where, why等词引导。
例如：①That he stole a bike was true.②What he wants to tell us is not clear.③Who will win the match is still unknown.④Where the English evening will be held has not yet been announced.⑤Whether he can pass the exam depends on whether he study hard or not.⑥Whatever you do is none of my business.⑦Whoever comes to our library will be welcome.单个的主语从句作主语时，谓语动词用单数形式。
如果是两个或两个以上的主语从句作主语，谓语动词则用复数形式。
例如：①Where and when he was born has not been found.②When the person was murdered and why he was murdered are still unknown.主语从句比较长的时候，为避免句子头重脚轻，常用it 代替主语从句作形式主语放于句首，而把主语从句置于句末。
主句的谓语动词一般用单数形式。
常用句型如下：（1）It + be + 名词+ 主语从句。
例如：①It is a fact that he has gone abroad.②It is a pity that you missed the sports meeting last week.（2）It + be + 形容词+ 主语从句。
例如：①It is obvious that he told a lie.②It is certain that he will win the game.（3）It + be + 过去分词+ 主语从句。
例如：①It is said that she will come to the party tomorrow.②It has not been announced when the plane are to take off.（4）It + 不及物动词+ 主语从句。
例如：①It happened that the meeting was canceled that day.②It occurred to me that I had forgotten to bring my wallet.注意:在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时，谓语动词要用虚拟语气(should) +do，常用的句型是：It is necessary/important/natura l/strange/essential, etc.) that … 例如：①It’s necessary that you should study hard.②It is strange that he should say that.③It is essential that a college student should master at least a foreign language.2. 宾语从句在复合句中作宾语的从句叫宾语从句。
引导宾语从句的关联词与引导主语从句表语从句的关联词大致一样，在句中可以作谓语动词或介词及非谓语动词的宾语。
例如：①I want to know what he has told you.②She always thinks of how she can work well.③She will give whoever needs help a warm support.1).由连接词that引导的宾语从句由连接词that引导宾语从句时，that在句中不担任任何成分，在口语或非正式的文体中常被省去。
但如从句是并列句时,第二个分句前的that不可省。
例如：He has told me (that) he will leave Wuhan and that he will go to Shanghai tomorrow.注意:在insist,suggest, advise,decide, demand, desire,require, request,order, command等表示“坚持、建议、决定、要求、命令”（“坚决要命”）等意义的动词后，宾语从句中谓语部分常用虚拟语气，即should+ 动词原形。
例如：①I insist that she (should) do her work alone.②The commander ordered that troops (should) set off at once.但是, 如果suggest作“表明、暗示”讲, insist作“坚持说、坚持认为”讲，则其后的宾语从句中用陈述语气。
例如：①The smile on his face suggested that he had passed the examination.②The boy insisted that he had not stolen the money.2).用whether或if引导的宾语从句whether和if均可引导动词后的宾语从句，常可互换。
但从句中有or not时或介词后的宾语从句中只能用whether连接。
其它名词性从句，如主语从句、表语从句、同位语从句中表示“是否”只用whether. 介词后的宾语从句一般不用which和if引导，要用whether和what。
that 也很少引导介词宾语从句，只在except, but, besides等之后才用。
例如：①I don’t care about whether you have money or not.②Everything depends on whether we have enough money.③He seldom loses his temper except that you make a fool of him.3).宾语从句中的时态呼应宾语从句的谓语动词时态受主句谓语动词的影响，如果主句的谓语动词是一般现在时，从句中的谓语动词可以用各种时态。
例如：①I know that he studies English every day.②I know that he studied English last term.③I know (that) he will study English next year.④We all know that he has studied English since 1998.如果主句中的谓语动词用了一般过去时，则从句中的语动只能用过去时的某种形式，如一般过去时，过去进行时，过去将来时等。
例如：①We believed that he had earned enough money to build a house.②The teacher told us that Tom had left us for America．当从句表示的是客观真理，科学原理，自然现象，则从句仍用现在时态。
例如：The teacher told us that the sun rises in the east.4).当主句是I/ We think (suppose, expect, believe, guess, imagine) 时，其后的宾语从句如果是否定形式，常把否定词not从从句中转移到主句中成为否定的转移。
例如：①We don’t believe that he will win the game.②I don’t think he will do so.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。
例如：①I doubt whether he will come tomorrow.②There is no doubt that he will come tomorrow.③I am sure that he will win the game.④I am not sure whether he will win the game.3. 表语从句在复合句中作表语的句子叫表语从句。
