2019-2020年高考英语语法专题复习分类汇编-名词性从句(最新整理)
2019年高考英语名词性从句真题汇编(含答案)
2019年高考英语名词性从句真题汇编(名师精选全国真题+实战训练，建议下载练习)名词性从句专项演练1. They are discussing in the next room _______ will go to the conference on behalf of the manager.A. whoeverB. whoC. whatD. whomever2. My parents don’t care _______ my pocket money goes, but one thing is sure: the money spent must be worthwhile.A. whyB. whenC. whereD. how3. —Excuse me, but have you ever seen my book?—Sorry, I am not sure, a person just took a book away, but I don’t know _______.A. whereB. whichC. whatD. whose4. Dad’s coming. What present _______ for your birthday?A. you expect he has gotB. you expect has he gotC. do you expect he has gotD. do you expect has he got5. Talking of the car accident, there is in today’s paper an accurate account of _______ it happened last night.A. whichB. howC. whenD. what6. When you get your paper back, pay special attention to _______ have been marked.A. whereB. whichC. whatD. that7. It is _______ you deal with difficult situations that shows _______ you are really like.A. what; whatB. how; whatC. how; thatD. which; how8. _______ is known to us is that time is limited and precious.A. WhatB. ThatC. ItD. As9. It’s a common scene now in Chile that families cry helplessly over _______ is left of their homes.A. thatB. whichC. thereD. what10. _______ surprises us most is that she doesn’t even know _______ the difference betwe en the two lies.A. What; whereB. All; whichC. What; thatD. That; where11. I don't say I am against their plan. But the trouble is _______ they do doesn't agree with what they say.A. what thatB. that whatC. if whatD. what if12. What the doctors really doubt is _______ the famous actor will recover from the serious disease.A. whichB. whetherC. thatD. why13. After ten years’ absence she came back，only to find her old house was not _____ it used to be.A. whichB. whatC. whenD. that14. The North Pole isn’t _______ people consider a pleasant place for creatures to live in as the average winter temperature there is -40℃.A. whichB. thatC. whereD. what15. It was a matter of _______ would replace Mr.Wang to take the position.A. whoB. whoeverC. whomD. whomever名词性从句一．要点归纳（一）主语从句1、主语从句：作句子主语的从句叫主语从句。
2019-2020学年度最新高考英语语法复习专题Word版
2019-2020学年度最新高考英语语法复习专题Word版(附参照答案 )1、名词性从句中连结词的运用名词性从句中的连结词有连词 that / whether / as if ，连结代词 what / who/ which / whose / whatever/ whoever / whomever / whichever ，连结副词 where / when / why / how / wherever / whenever。
（1） that 的用法。
①主语从句、表语从句、同位语从句顶用that 但不可以省略。
如：That they are good at English is known to us all.The problem is that we don’ t have enough money.②宾语从句中的连结词that 有时可省有时又不行省，在以下几种状况中that 不可以省略：（ A ）当 that 从句和主句谓语动词之间有插入词语或许从句主语之间有插入语时，that 不行省略；（B ）当 that 从句与另一名词性从句并列作宾语时， that 不可以省；（ C）当 that 作介词宾语时，that 不行免却。
如：He judged that,because he was a child, he did not understand wineEveryone knew what happened and that she was worried.The reason lies in that she works harder than the others do.③that 从句作主语和宾语时，能够用it 来替代成以下几种构造表达。
(A)It is clear/certain/likely/true/surpris ing that（B）It is a pity/shame/good idea/no wonder that ...（ C）It is said/reported/ believed/known/thought/suggested that（D）It seems/happens that。
高考英语五年真题(2019-2023年)专题汇总解析—名词性从句和定语从句
高考英语五年真题（2019-2023年）专题汇总解析—名词性从句和定语从句一、2023年高考真题1.2023新高考全国Ⅱ卷This is ___42___ they need an English trainer.【答案】why【解析】考查表语从句。
句意：这就是他们需要英语培训师的原因。
分析句子结构可知，空处引导表语从句，从句中结构完整，应该用连接副词连接，前文提到需要培训师的原因，此处是表达“这就是他们需要英语培训师的原因”之意，应用why引导表语从句。
故填why。
2.2023全国甲卷...the form of the fable still has values today, ___43___ Rachel Carson says in “A Fable for Tomorrow”【答案】as【解析】考查定语从句。
句意：然而，正如雷切尔·卡森在《明日寓言》中所说，寓言的形式在今天仍然具有价值。
引导非限定性定语从句，且有“正如”之意，用关系代词as引导。
故填as。
3.2023全国甲卷“There was once a town in the heart of America, ___44___ all life seemed to enjoy peaceful existence with is surroundings,”...【答案】where【解析】考查定语从句。
句意：“从前，在美国的中心地带有一个小镇，那里所有的生命似乎都和周围的环境一起享受着和平的生活，”她的寓言是这样开头的，借用了许多古老寓言中的一些熟悉的词。
句中先行词为town，在非限定性定语从句作地点状语，所以用关系副词where引导。
故填where。
4.2023全国乙卷But for all its ancient buildings, Beijing is also a place ____43____ welcomes the fast-paced development of modern life...【答案】which/that【解析】考查定语从句。
2019-2020年高考英语复习《语法专题：名词性从句》导学案
语法专题：名词性从句(1课时)【学习目标】1.自主学习名词性从句的基本用法并学会在具体情境中的运用；2.通过自主学习和小组合作尝试发现式方法去学习掌握名词性从句的用法；3.团结协作、发挥所长、激发创新、攻克难题。
【使用说明与学法指导】1.五分钟完成预习案的学习，五分钟内回顾名词性从句并用自己的话来总结；2.独立思考限时10分钟完成探究案，20分钟内完成反馈案；3.认真书写，独立完成，规范作答，按时上交。
预习案（Previewing Case）Activity 1 Read the following materials in 5 minutes.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。
它包括主语从句、宾语从句、表语从句和同位语从句。
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。
1. 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：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。
有时为避免句子头重脚轻，常用形式主语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。
主语从句后的谓语动词一般用单数形式。
2. 宾语从句作句子宾语的从句叫宾语从句。
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。
高考英语语法总复习名词性从句
• 一、名词性从句的种类
• 名词性从句是起名词作用的从句，包括主语从句、宾语从 句、表语从句、同位语从句。
请思考：
1、English is very useful for us . 2、We need to master English well. 3、The subject I am interested in is English. 4、He want to learn the language , English .
• that引导主语从句时，常用it作形式主语，常 见句型有： • ①it＋be＋形容词(如： obvious，true，natural， surprising，good，wonderful，funny，possible， likely，certain，probable，evident，clear， apparent等)＋that从句。 • It is evident that lung cancer is closely related to smoking.
注意：
1. 在口语或非正式问题中，引导宾语从句的that常省略，但 在下面情况下，that 一般不省略 （1） 当一个句子有两个或多个并列的宾语从句时，除第一 个从句的that外，都不可省略。 He told me (that) the power would be cut off and that I should get out. （2）形式宾语it后的that及介词后面的that不能省略。 2. 如果主句主语是第一人称，谓语动词是think ,consider, believe, suppose, expect, fancy, guess, imagine等，后面的宾语 从句含有否定意义，否定转移。 I don't think this dress fits you well. 我认为这件衣服不适合你。
年高考英语语法必考考点名词性从句
2０19年高考英语语法必考考点(13）：名词性从句含解析李仕才【考点解读】一、名词性从句的种类名词性从句包括主语从句、宾语从句、表语从句、同位语从句。
二、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。
Iｔ has nｏt beｅn decided yｅt wｈｅn ｗe wilｌ leａve.We aｒｅ woｒrｙing aboｕt whaｔ we ｓｈould do next．2．连接副词：ｗheｎ, whｅrｅ, wｈy, how有词义，在从句中担任成分，作状语。
It makｅs ｎo differｅnｃe where we ｓhall haｖe the meｅtinｇ.Scientｉstｓstudｙｈｏw ｈuman brainｓｗｏrｋｔｏ make cｏmputｅｒs.(20１2·四川高考)3.连接词：ｗhｅther，if, aｓ if, if (wｈeｔhｅr), aｓiｆ虽有词义,但在从句中不充当任何成分，只起连接作用；ｔhat无词义,在从句中也不充当任何成分，只起连接作用，有时可省略。
Ｍy sugｇeｓtioｎ is tｈat ｗe （shｏuld) hａｖｅ a dｉscussion aｂout ｔhｉｓｍatｔer．The quesｔiｏn ｗhｅther wｅ need more ｔｉｍe ｔｏ dｏ the worｋ hasｎ’ｔbeen discusｓed.三、that， what引导的名词性从句的区别引导名词性从句时,tｈat没有词义,在从句中不作任何成分。
当从句意义完整,不缺任何成分时,往往选用ｔhａt；而whaｔ引导名词性从句时，意为“什么”或“……的”,在从句中用来作主语、表语或宾语。
Ｗhat waｓ moｓt ｉｍpoｒtａｎｔtｏ her, ｓhe told me, ｗas ｈer faｍily. (主语从句；what作主语)Bｅfore the sａｌｅs ｓtaｒt, I make ａliｓt of whａt mｙ kids ｗill neｅd ｆor tｈe coming ｓeasoｎ. (宾语从句；what作宾语）Ａs a neｗ gradｕａtｅ, he dｏｅsn’t kｎow ｗhat ｉｔ tａｋes to ｓｔarｔ a ｂｕｓｉness here. （宾语从句;ｗｈaｔ作宾语)Cｈinａ is ｎｏ longeｒ whａt she uｓed to ｂe. (表语从句；what 作表语)Ｉt never oｃcurreｄtｏme that yｏu ｃｏulｄｓuccｅｅd ｉｎ persuadｉng ｈim ｔo ｃｈange ｈis mind. (主语从句）One reason for ｈer ｐreferｅｎce ｆor city life is that sｈe can ｈaｖe ｅasy aｃｃesｓ to ｐlaces ｌike ｓhoｐｓ and restａurants. (表语从句）【点睛】(1）thaｔ引导主语从句时,常用it作形式主语，常见句型有：①ｉｔ＋ｂe+形容词（如:obｖious， tｒue, nａｔｕral, sｕｒpriｓｉｎg, gｏod, w ｏnderfuｌ, fｕnｎy, ｐｏｓｓiｂle, lｉｋelｙ, certaiｎ, pｒobablｅ, evident, clｅar, ａpｐarenｔ等)＋that从句。
高考英语专题名词性从句知识点分类汇编含解析
高考英语专题名词性从句知识点分类汇编含解析一、选择题1．The student completed this experiment to make come true ______ Professor Joseph had said. A．that B．what C．when D．where2．— The designers are over the moon.What's up?— They've reached an agreement on_________the bonuses are to be divided later.A．why B．how C．where D．when3．It is _______ he said _______ is very important to me.A．what; that B．that; that C．all that; what D．which; that4．It sounds _______ the situation is unlikely to improve.A．as if B．how C．as D．so that5．_________ has recently been done to provide more buses, a shortage of public vehicles remains a serious problem.A．That B．What C．In spite of what D．Though what 6．The Oscars have been around for so long that they serve as an indicator of ________ the Hollywood community values now and in the past.A．that B．where C．how D．what7．All of us applauded the proposal _____ every cent should be used where it is needed most. A．that B．what C．which D．whether 8．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．All of us were so excited at the news ____we’ll go abroad for holidays ___we jumped with joy. A．that; that B．what; and then C．what; that D．which; so10．The spokesman noted _______ some individuals apparently lack is not the means to get the correct information, but the courage to admit the truth.A．whether B．that C．which D．what 11．Students show great interest in ________ Professor William presents to them in his class. A．whichever B．wherever C．whatever D．however12．______ they have won the game made us excited.A．/B．That C．What D．Which 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．There is a common belief among the students in our school _____ they should make greatefforts to learn and reach the peak of their academic performances.A．which B．that C．whether D．if17．I am interested in_________ you have improved your spoken English in such a short time. A．how B．which C．when D．if18．The companies are working together to create _________ they hope will be the best means of transport in the 21st century.A．which B．that C．one D．what19．Once _______ in the forest, we should remain ________ we are and wait for help. A．losing; there B．losing; where C．lost; there D．lost; where 20．The beauty of a tournament like the World Cup is ________ it can be wildly unpredictable. A．whether B．how C．that D．why21．—It’s reported that the new underground li ne has been completed.—Yes, but it hasn’t been made clear it’s to be opened to traffic.A．that B．who C．what D．when22．The exhibition tells us _____we should do something to stop air pollution.A．where B．whyC．what D．which23．(2016·天津)The manager put forward a suggestion __________ we should have an assistant. There is too much work to do.A．whether B．thatC．which D．what24．Alice arrived at ________ she thought was a wonderland.A．which B．that C．what D．whom25．— 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【参考答案】***试卷处理标记，请不要删除一、选择题1．B解析：B【解析】【分析】【详解】考查名词性从句。
2019高考英语语法专题汇总(三)：名词性从句
2019高考英语语法专题汇总（三）：名词性从句专题三名词性从句一、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,c ertain,probable,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。
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。
近三年高考英语语法真题分类汇编：名词性从句（2018-2020）
近三年高考英语语法真题分类汇编：名词性从句（2018-2020）12020年高考真题1. （2020江苏高考真题）It is not a problem __________ we can win the battle; it’s just a matter of time.A. whetherB. whyC. whenD. where【答案】A【解析】考查主语从句。
句意：我们能否打赢这场战斗不是问题；这只是时间问题。
A. whether是否；B. why为什么；C. when什么时候；D. where在哪里。
根据下文it’s just a matter of time可知，此处指”我们能否打赢这场战斗不是问题”，it是形式主语，whether 引导的从句是真正的主语。
故选A。
2. （2020天津高考真题）The student completed this experiment to make come true __________ Professor Joseph had said.A. thatB. whatC. whenD. where【答案】B【解析】考查名词性从句。
句意：为了使约瑟夫教授所说的成为现实，这个学生完成了这个实验。
_________ Professor Joseph had said作make的宾语从句，该从句中，空处在从句中作said的宾语，表示”……所说的话”，因此应用what引导该从句。
故选B。
3. （2020浙江高考真题）Over thousands of years，they began to depend less on 57 could be hunted or gathered from the wild, and more on animals they had raised and crops they had sown.【答案】what【解析】考查名词性从句。
2020年高考英语必考点全梳理专题14-名词性从句(精讲深剖)附答案
专题14 名词性从句——精讲深剖真题速递一．单句语法填空1.（2019全国卷I）While they are rare north of 88°,there is evidence they range all the way across the Arctic,and as far south as James Bay in Canada.【答案】that【解析】考查同位语从句。
根据句子结构分析可知，主句为there be句型，且结构完整，空格后为同位语从句，解释说明中心词evidence的内容，故填that。
2. （2018全国卷III）I'm not sure 61 is more frightened，me or the female gorilla (大猩猩) that suddenly appears out of nowhere.【答案】who【解析】考查宾语从句。
句意：我不确定谁受到了更大的惊吓，是我还是那只不知从何处突然出现的雌性大猩猩。
根据句意和句子结构可知，空处引导宾语从句，在从句中作主语，表示“谁”，故填who。
二．单项选择1.（2019江苏卷）Scientists have obtained more evidence ___________ plastic is finding its way into the human body.A. whatB. thatC. whichD. where【答案】B【解析】考查同位语从句。
句意：科学家已经获得更多证据，塑料正在进入人们的体内。
从句不缺句子成分，且与evidence指代的是同一事件，用that引导同位语从句。
故选B。
2.（2018江苏卷）By boat is the only way to get here, which is _______ we arrived.A. whereB. whenC. whyD. how【答案】D【解析】考查名词性从句。
(完整版)高中英语语法总结-名词性从句
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、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句.第一节知识点讲解顾名思义,主语从句在句子中作主语。
有时本身出现在主语的位置上，也有时出于句子结构的考虑退到句子的尾部,前面用形式主语it代替。
从句作主语时,谓语动词一般为单数形式。
如：What I saw was beyond any verbal description。
That his hair was turning grey worried him a bit。
Why the company denied the contract is still unknown。
When and where the government will build a city square is under discussion.It is pretty annoying that a small part of the machine is missing。
It remains to be seen whether the new novel will be well received。
Tips：主语从句的that绝对不能省去。
因为句子是不能做主语的，故用that引导.若去掉则没有了主语，而宾语从句的that可省。
主语从句:That he is right is known to all of us.宾语从句：We all know (that） he is right.1. It 作形式主语和it引导强调句的比较It 作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。
而it引导的强调句则是对句子某一部分进行强调，无论强调的是什么成分，都可用连词that.被强调部分指人时也可用who/whom。
2019-2020年高考英语 专题十 名词性从句(全国通用)
2019-2020年高考英语专题十名词性从句（全国通用）1.(xx·辽宁鞍山联考)One day，he came up with an idea he would pluckup all of his crop a few inches.解析考查同位语从句的引导词。
因后面是一个完整的句子，且该句是说明空格前面an idea的具体内容，所以是同位语从句。
从句结构完整，故要用that引导。
答案that2.(xx·广西南宁二中月考) is important is that we let others know wecare about them.解析考查主语从句的引导词。
根据句子结构可知，系动词is前的句子缺少主语，表示“重要的事情”要用what。
答案What3.(xx·内蒙古师大附中月考)Over the next several months，my professor taught meone story was so much better than the other.解析考查宾语从句的引导词。
教授教给我的是为什么一个故事比另一个更好。
根据句意可知此处要用why引导宾语从句。
答案why4.(xx·河南开封四模)A study found girls who ate five or more familymeals a week had a much healthier relationship with food in later life.解析考查宾语从句的引导词。
谓语动词found后为宾语从句，宾语从句中不缺少成分，故要用that引导。
答案that5.(xx·四川成都七中二诊)Perhaps my mother had told me was deeplyrooted in my mind.解析考查主语从句的引导词。
妈妈说的话深深地扎根于我的思想中。
(完整word版)高考英语名词性从句专题复习(讲解+练习).docx
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学的重点，也是高考考查的热点。
一、名词性从句的分类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。
其连接词有 that, if, whether；连接代词 who, what, which；连接副词 when, where, how, why 等。
考查热点一：对主语从句的考查主语从句在复合句中充当主语，它可以放在主句谓语动词之前。
但为了保持句子平衡，多数情况下可用it 作形式主语，而把主语从句置于句尾。
考查热点二：对宾语从句的考查宾语从句在句子中作及物动词或介词的宾语。
如果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之后，用it 作形式宾语。
另外，某些作表语的形容词，如 sure, happy, glad, certain 等之后也可以带宾语从句。
考查热点三：对表语从句的考查表语从句在句子中作表语，位于主句中的系动词之后。
考查热点四：对同位语从句的考查同位语从句一般跟在某些抽象名词之后，进一步说明该名词所表示的具体内容。
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、对名词性从句的考查应注意以下几点：考查热点五：考查名词性从句的语序和主从句时态名词性从句均应用陈述句语序，其时态要保持主从句时态一致性。
考查热点六：从语境和句子结构需要出发，选择合适的连词（I）连词that 和what：that 无实际意义，在从句中不充当任何成分，只起连接主从句的作用；如 that 引导宾语从句，常可省略；如引导主语从句、表语从句或同位语从句， that 不能省略。
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2019-2020 年高考英语语法专题复习分类汇编-名词性从句1. Before a problem can be solved, it must be obvious the problem itself is. (xx·湖南卷31)A. whatB. thatC. whichD. why【解析】选A。
空白处后句子缺表语。
因此不能选B。
B 中的that 只起引导作用，无实意。
而该句选what 既起了引导作用，又作了句子成分表语。
2. It is still under discussion the old bus station should be replaced with a modern hotel or not. (xx·重庆卷22)A. whetherB. whenC. whichD. where【解析】选A。
该句中it 作形式主语，真正的主语是由whether…or not 引导的从句。
句意：是否这个旧车站该由现代宾馆取代还在讨论中。
考点1.名词性从句的种类及连接词I want to be liked and loved for I am inside.A. whoB. whereC. whatD. how【解析】选C。
what 引导的宾语从句作for 的宾语，what 在从句中作am 的表语。
名词性从句具有名词的功能，分为主语从句、宾语从句、表语从句和同位语从句四种。
它由以下三种连接词引导：1. 连词：that, whether, if。
2. 连接代词：who, whom, whose, which, what 等。
3. 连接副词：when, where, why, how 等Keep in mind you want others to respect you, you must respect others first.A. that whenB. that ifC. if whenD. when if【解析】选B。
that 引导一个宾语从句，宾语从句中又有一个由if 引导的条件状语从句。
1. that 引导名词性从句时既无词义也不在从句中作任何成分。
2. that 引导主语从句、表语从句、同位语从句时一般不可省，引导宾语从句时常可省。
但是，and 连接两个由that 引导的宾语从句时，第一个that 可省，第二个that 不可省。
3. that 从句一般不作介词的宾语。
但：in that “因为”，except / but that“除了”例外。
考点3.whether, if 的用法It's reported that Pakistan is considering to continue its information cooperation with the US because the US didn't inform them in advance before they took action to kill Bin Laden. (xx·成都七中高三最后一套模拟卷)A. whatB. howC. whetherD. if【解析】选C。
在whether 后只能用不定式或后接or not，不能接if，即whether to do 或whether or not。
whether, if 引导名词性从句时，表示“是否”，不在从句中作任何成分，二者常可通用，但在下面几种情况下一般只用whether:(1)引导主语从句。
(2)引导表语从句。
(3)引导同位语从句。
(4)在动词discuss 之后。
(5)在介词之后。
(6) 后面紧跟or not。
(7)动词不定式前。
考点4.名词性从句的语序I really wonder will stop Japan from its annual whale hunt in the Antarctic. (ft西太原五中xx— xx 第二学期月考4 月)A. that it is whatB. what it is thatC. what is it thatD. that is it what【解析】选B。
空白处为一宾语从句作动词wonder 的宾语。
而宾语从句是一个强调句，强调what。
宾语从句要采用陈述语序。
名词性从句用陈述语序，为：连词(+被修饰语)+主语+谓语。
即主谓不倒装。
考点5. what 与that 引导名词性从句的区别例1：It is not always easy for the public to see use a new invention can be of to human life. (xx·重庆卷34)A. WhoseB. whatC. whichD. that【解析】选B。
空白处作动词see 的宾语。
宾语从句按顺序为a new invention can be of what use to human life，疑问词what 前置。
因此选B。
例2：Modern science has given clear evidence smoking can lead to many diseases. (xx·天津卷13)A. whatB. whichC. thatD. where【解析】选C。
that 引导词作名词evidence 的同位语从句引导词。
该词只起引导作用，无实义，不可省略。
1. 在名词性从句中，that 只起连接主句和从句的作用，在从句中不充当任何成分，本身也没有词义，即从句中不缺少任何成分时用连词that.2. that 在从句中作主语时通常用it 作形式主语，而将that 从句置于句末作真正的主语。
但what 不能用it 作形式主语。
3. that 可引导同位语从句，但what 不能。
考点6.由reason 作主语时，表语从句的连接词The reason why he can't go to school is he is ill.A. becauseB. whyC. thatD. which【解析】选C。
reason 作主语时，其后的表语从句一般用连词that。
reason作主语时，表语从句所用连词为that, 一般不用because 或why 等。
考点7.that 引导同位语从句和定语从句的区别例1：was known to all that William had broken his promise he would never play puter games again. (xx·湖南雅礼中学高三第8 次月考卷)A. As; whichB. As; thatC. It; thatD. What; that【解析】选C。
it 作形式主语，第一个that 后引导从句作真正主语。
名词promise 后接that 引导的同位语从句。
对前一名词内容进一步补充说明。
例2：Helping others is a habit, one you can learn even at an early age. (xx·ft东卷改编)A. itB. thatC. whatD. who【解析】选B。
one 是a habit 的同位语。
作为定语从句的先行词，后用which 或that 作定语从句动词learn 的宾语。
关系代词作宾语也可省略。
that 引导同位语从句时，that 在从句中不作成分(一般不省), 且不可用which 来取代；that 引导定语从句时，that 须作主语、宾语或表语(作宾语时常可省), 且常可用which 来取代。
( )1. Why don’t you bring to his attention that you are too busy to do it? A．this B．that C．it D．what( )2. The fact he didn’t see Lao Li yesterday is true.A．which B．that C．when D．what( )3. The book looks it had been out in the rain.A．that B．whether C．as though D．what( )4. I have no idea he will e back.A．where B．when C．what D．that( )5. the old man’s sons wanted to know was the gold had been hidden.A．That; what B．What; where C．What; that D．What; if( )6. No one can tell will happen next.A．what B．when C．where D．which( )7. You’re responsible to is in charge of sales.A．whom B．who C．whoever D．whomever( )8. It is generally considered unwise to give a child he or she wants.A．however B．whatever C．whichever D．whenever( )13. What the doctors really doubt is my mother will recover from the serious illness soon.A．when B．how C．whether D．why( )14. Our hometown is quite different from before.A．that it was B．what it was C．which it was D．when it was( )15. Someone is knocking at the door. Go and see .A．who is he B．who he is C．who is it D．who it is( )16. surprised us very much that Tom should have left without a word. A．he B．It C．This D．That( )17. Some college students are seen doing work they can find to support themselves.A．that B．which C．whatever D．no matter what( )18. Things were not they had been before.A．as B．because C．that D．when( )19. After seemed an endless effort，the patient was finally able to carry out seemed a perfectly normal walk.A. what；what B．that; that C．it; that D．which; like( )20. He was ill. That is he didn’t e yesterday.A．when B．why C．how D．that参考答案1. C it 是形式宾语，真正的宾语是由that 引导的从句。