高考英语语法名词性从句之主语从句
高考英语语法名词性从句之主语从句
（一）
观察一：观察以下句子，判断是那一类的名词性从句，并指出该名词性从句的引导词。
（1） Who he is doesn’t concern me.
（2） What he said is unbelievable.
（3） Where we shall do the test is still under discussion.
（4） When we will hold the sports meet is still unknown.
（5） How he got in touch with Tom is not clear.
（6） That light travels faster than sound is known to us all.
（7） Whether she likes the present is not clear to me.
以上句子为主语从句，引导词有
who, what, where ,when ,why ,how ,whether ,that,whatever, whoever, however.
第6句改编. It is known to us all that light travels faster than sound.
第7句改编. it is not clear to me Whether/if she likes the present. 此时whether和if均可。Whether和if 引导主语从句有什么区别？
引导主语从句表是否只能用whether，转换为it做形式主语时候whether和if都可以。What 和that 引导主语从句有什么区别？
what引导主语从句，what在主语从句中做成份，如句子（2），that在主语从句中不做成份，如句子（6）但是此时that也不能省略。
例如：That he suddenly fell ill last week made us surprised.
例如1.What you need is more practice .
例如2.That he needed a lot of money made us surprised.
Whoever breaks the law should be published .
Whatever was said here must be kept secret .
此类引导词引导的从句也是_主语从句____从句，意思中包含有:___无论……._
主语从句范例
1．the delayed flight will take off depends much on the weather.
答案When
解析
考查名词性从句。句意为：延误了的航班何时起飞主要取决于天气。所填词引导
主语从句，且在从句中作时间状语，用when。
2．It is difficult for us to imagine lifewas like for slaves in the ancient world.
答案what
解析考查宾语从句。从句“ life was like for slaves in the ancient
world”中缺宾语，且从句在及物动词imagine后作宾语，故选择连接代词what。3．impresses me about his painting is the colors he uses.
答案what
解析
考查名词性从句。句意为：关于他的绘画给我印象最深的是他使用的颜色。包
含一个缺少主语的主语从句，故用what。
4.It’s good to know the dogs will be well cared for while we’re away.
答案that
解析考查主语从句。分析句子结构可知，it作形式主语，后面从句完整，用that引导。
5. one of you breaks the window will have to pay for it.
答案Whichever
解析
句意为：你们中无论哪一个打破了窗户都要负责赔偿。此处指从“you”这一范围中
作出选择，故填whichever无论哪一个。
6. It doesn’t matter you turn right or left at the crossing—both roads lead to the park.
答案whether
解析
考查连词。分析句子结构可知，it为形式主语，所以所填连词在句中引导主语从句；根据题干中关键信息词or可知填whether。
7.team wins on Saturday will go through to the national championships.
A.No matter what
B.No matter which
C.Whatever
D.Whichever
〖答案〗D
〖考点〗考查主语从句。〖解析〗由句式结构可知此空白处应选择连词引导主语从句,
且在主语从句中作team的定语使用, 选项中只有whichever和whichever可同时具备这两种功能, 且从数个已知的队中选择一个, 故选whichever。
8. makes this shop different is that it offers more personal services.
A.What
B.Who
C.Whatever
D.Whoever
答案：A 〖考点〗考查主语从句。
〖解析〗what引导主语从句, 并作从句的主语, what=the thing that。
9.matters most in learning English is enough practice.
A.What
B.Why
C.Where
D.Which
〖答案〗A 〖考点〗考查主语从句。〖解析〗本题考查主语从句, 且从句中缺少主语。
10. parents say and do has a life-long effect on their children.
A.That
B.Which
C.What
D.As
〖答案〗C 〖考点〗本题考查名词性从句的选用。
〖解析〗分析句子结构可知, 此处主语从句缺少动词say and do的宾语, 故用what。
11. worries me the way he keeps changing his mind.
A.This
B.That
C.What
D.It
〖答案〗D 〖考点〗考查主语从句。〖解析〗it在句中代指所发生的事情, the
way在句中作方式状语, 同时又作了先行词, 其后为定语从句, 省略了引导词that或in which。
12. is known to us all is that the 2019 Olympic Games will take place in Beijing.
A.It
B.What
C.As
D.Which
〖答案〗B 〖考点〗考查主语从句。
〖解析〗分析题干结构 “ is known to us all”是主语从句, 从句中缺少主语,
what引导主语从句, 在从句中作主语。如果选it, 需去掉all后的is;如果选as;需去掉is that。
13. was most important to her, she told me, was her family.
A.It
B.This
C.What
D.As
〖答案〗C 〖考点〗主语从句。〖解析〗what引导主语从句, 同时又在从句中充当主语。
14. .Li Bai, a great Chinese poet, was born is known to the public, but some won’t accept it.
A. That
B. Why
C. Where
D. How
【答案】C
【解析】试题分析：句意：李白是中国一位伟大的诗人，他的出生地是众所周知的，但有些人不愿接受这一事实。分析句子结构可知，a great Chinese poet做Li
Bai的同位语，is前面是主语从句。比较选项只有where符合句意，where在从句中做地点状语。
【考点定位】名词性从句【名师点睛】此题由于“a great Chinese
poet”的插入，句子结构变得稍显复杂，因此要求考生能够排除结构干扰，看清考点还是考查名词性从句连接词的选择，然后根据“从句部分缺什么补什么的原则选则连接词”这一根本原则，同时结合句意，迅速锁定正确答案。
15. _____we understand things has a lot to do with what we feel.
A. Where
B.How
C.Why
D. When
【答案】B
【解析】试题分析：句意：我们如何理解事情与我们所感受的有很大关系。根据句意可知，主语从句缺少方式状语，因此选择how。故选B。【考点定位】主语从句。
【名师点睛】主语从句分多种，解题时要分析原题空中缺少的是何种状语。这类题考生首先要利用主句与从句之间的逻辑关系判别，尤其是连词在从句中的功能，由于引导主语从句的连词功能有所分别，较为容易抉择，但有的连词的形式一样，但具有不同意思，这就需要考生仔细甄别，充分利用与之相关内容或与其搭配相关词语的意思。
观察与思考：that与what 引导名词性从句的用法有什么不同？
1.What you need is more practice .
2.That he needed a lot of money made us surprised.
3.What impressed me most was that he was always patient with children.
1．that和what都可以引导名词性从句。
2．what是连接代词，引导名词性从句，在从句中（有）实在意义，（做/ ）成分,（不能）省。
3．that是连接词，在从句中（有/无）实在意义，仅起连接作用，（不做）成分,；引导宾语从句时（能/ ）省略，但引导多个宾语从句时，只有第一个that
可以省略。在引导主语从句、表语从句和同位语从句时that一般（不能）省略。
感悟疑点：
1. After Yang succeeded in circling the earth, our astronauts desire to do is walking in space.
A where
B what
C that
D how
2. They lost their way in the forest, and _____ made matters worse was that night began to fall.
A. that B it C what D which
3. _____ no one likes his ideas is not strange at all.
A. What B How C When D That
4. made the school proud was 90% of the students had been admitted to key university.
A. What; because B What; that C That; whatD That; because
5.. Word has _____some American guests will come for a visit.
A. what came
B. that
C. whether
D. when
6. He told us _____ his father had died and ____ he had to live alone.
A that, /
B /, that
C what,/
D / , what
（二）
主语从句一、概述：在句子中起名词作用的各种从句统称为名词性从句。根据它们在句
中的语法作用，这类从句又可分为主语从句、同位语从句、表语从句和宾语从句。二.主语从句主要有三类：（1）由连词that引导的主语从句:引导词that无含义,在句中不做成分,不可以省。例如：That you will win the medal seems unlikely.你想获得奖牌看起来是不可能的。
That you are so indifferent bothers me.你如此冷淡使我很烦恼。
That she survived the accident is a miracle.她在事故中幸免于难简直是奇迹。（2）用连词whether 引导的主语从句:whether有含义(是否),在句中不做成分,不可以省。
例如：Whether she is coming or not doesn’t matter too
much.她来不来都无关紧要。（3）用连接代词引导的主语从句(在由连接代词who, whose, whom, which, what, whoever, whomever, whichever,
whatever引导的名词性从句中，其连接代词在句中起名词性作用，担当一定成分).例如：What you need is more practice.你所需要的是更多的训练。
What I want to know is this. 我想知道的就是这事。
Whatever we do is to serve the people.我们无论做什么都是为人民服务。
（4）用连接副词when, where, why,
how引导的名词性从句(其连接副词有含义,在句中作状语。)
eg:Where we should leave it is a problem.
When they will come hasn’t been made pubic.他们什么时候来还不知道。
三.注意点:
1.it 做形式主语,而将主语从句放在句末（尤其是当谓语较短时）。例如：That light travels in straight lines is known to all.光沿直线传播，这是众所周知的事。
=It is known to all that light travels in straight lines.众所周知光沿直线传播。
When the plane is to take off has not been announced .飞机何时起飞还没有宣布。
= It has not been announced when the plane is to take
off.还没有宣布飞机何时起飞。(当what引导的主语从句表示“…的东西”时，一般不用it作形式主语。)错:It is a book what he wants.对:What he wants is a book. 他想要的是本书。例如：Has it been settled who will be sent to carry out the task ?谁将被派去执行这项任务决定了吗？
固定用法和译法（1） It is +名词+从句It is a fact that… 事实是……
It is good news that … ……是好消息
It is a question that … ……是个问题
It is common knowledge that … ……是常识类似的名词还有：a pity；a wonder；a good thing；no wonder； surprise等。例如：It is a mystery to me how it all
happened.这一切是怎么发生的是个谜。
It is common knowledge that the whale is not a fish.鲸鱼不是鱼，这是常识。
It is no surprise that Bob should have won the game.鲍勃会赢得这场比赛，这不足为奇。（2） It is +形容词+从句
It is necessary that … 有必要……
It is clear that … 很清楚……
It is likely that … 很可能……
It is important that … 重要的是……类似的形容词还有：strange; natural; obvious; true; good; wonderful; possible; unlikely; quite; unusual; certain; evident; worth-while; surprising; interesting; astonishing, etc.例如：It is obvious that conductors and insulators are both important in industry.很明显导体和绝缘体在工业中都很重要。
It is doubtful whether she will be able to come.她是否能来令人怀疑。
It was really astonishing that he refused to talk to you .他拒绝和你说话真是令人惊讶。
It is essential that he should be here by the weekend .周末之前，他应该到这里是必要的。
It seems obvious that we can not go on like this.很明显我们不能这样下去了。（3） It is
+过去分词+从句
It is said that … 据说……
It is reported that … 据报道……
It has been proved that … 已证明……
It must be proved that… 必须指出……类似的过去分词还有：known; estimated; expected; believed; thought; hoped; noted; discussed; required; decided; suggested; demanded; made clear; found out,etc.例如：It is thought that he is the best player.大家都认为他是最好的选手。
It is estimated that the vase is 2019 years old.据估计这个花瓶有2019年的历史。
It is used to be thought that a new star must be due to a collision between two stars.
过去一直认为新星是由于两颗星星之间碰撞产生的。
It has not been made clear when the new road is to be opened to
traffic.还没弄清楚这条路将开始通车。
It does not matter if I missed my train, because there is another
later.没有赶上这趟火车没有关系，稍晚还有一趟。
It happened that I saw him yesterday.碰巧我昨天看见他了。当“及物动词 +
宾语”较短时，也可用这种结构。例如：It shocked me that Peter did not tell anybody where he was.让我吃惊的是彼得没有告诉任何人他在哪里。
It does not interest me whether you go or not.我对你去不去不感兴趣。
2.只用whether不用if引导主语从句.
Ⅰ．选择题：
1. _____ as much as one-fifth of all timber harvested is not used.
A. The estimate
B. The estimate
C. They are estimated
D. It is estimated that
2. _____ some mammals came to live in the sea is not known.
A. Which
B. Since
C. Although
D. How
3. _____ we have achieved is attributed to the guidance of our parents.
A. Whoever
B. Whatever
C. However
D. That
4. _____ wealthy does not necessarily mean that a man is greedy.
A. For the reason that he is
B. Just because he is
C. The reason of being
D. That he is
5. Although _____ happened in this developed country sounds like science fiction, it could occur els ewhere in the world.
A. which
B. what
C. how
D. it
6. _____ she had forgotten to take her notebook.
A. That occurred to her
B. She occurred that
C. To her that occurred
D. It occurred to her that
7. I am sure that _____ she said is wrong. A. which B. all C. this D. what
8. We lost our way in the forest, and _____ made matters worse was that it was getting dark.
A. that
B. which
C. it
D. what
9. _____ some mammals came to live in the sea is not known.
A. Which
B. Since
C. Although
D. How
10. _____ or not is still uncertain.
A. He’s coming
B. If he is coming
C. That coming
D. Whether he’s coming
11. It’s _____ he’ll be able to come.
A. doubt whether
B. doubtful
C. doubt it
D. doubtful whether
12. _____ he is at work in the heart of the big city or at home in the quiet suburb, Dick’s life is tied t o machines.
A. Whether
B. Till
C. If
D. Unless
13. _____ he saw both surprised and frightened him.
A. That
B. When
C. What
D. Which
14. _____ is a spell of warm sunshine.
A. What do we all need.
B. What all we need
C. What we need
D. What we all need15. _____ is a pity that he should feel so upset.
A. What
B. That
C. He
D. It
16. _____ a spoonful of soil can tell us so much about the structure and early history of the moon.
A. Remarkable
B. Quite remarkably
C. It is remarkable that
D. It is remarkable fact that
17. _____ you nominate will be elected.
A. Who
B. Whom
C. Whomever
D. That’s
18. _____ book you borrow must be returned within a week.
A. What
B. Which
C. Whichever
D. That’s
19. _____ of us gets home first starts cooking.
A. Who
B. Which
C. Whichever
D. Anyone
20. _____orders he gives are obeyed.
A. Whichever
B. Which
C. Whatever
D. What
高中英语语法：主语从句的考点分析与专项训练
高中英语语法主语从句 第一节主语从句 1．考点解析。 1．主语从句一般分为三类：由what等代词引导的主语从句；由连词that 引导主语从句，多数情况下由it作形式主语，that从句放到句子后面去；由连接代词或连接副词（或whether）引导的主语从句。 What they are after is beauty. It is not your fault that we can’t arrive on time. When they will arrive has not been decided. 2. 由关系代词what引导的主语从句，也可由whatever（“所…的一切”）或 whoever（“一切…的人”）引导。 Whatever he wants is your support. Whoever comes will be welcome. 3. 大多数主语从句都可用it代替，作形式主语，把主语从句放在句尾。要注意it代替主语从句和it引导的强调句的区别。强调句的结构是it is/was….+that…，强调人是可把that 换做who，whom，whose。如强调的是状语时，也只能用that,而不能用when, where, how, why等。 It was in Paris that they fell in love with each other. It is the lady who was my English teacher. It was last semester that he won the first prize. 2. 试题详解。 1．______ he needs is more experience. A. Who B. That C. What D. How 2.It was because of the heavy snow ______ the train was late. A. why B. that C. so D. thus 3．It doesn’t matter ______ he likes or not. A. whether B. what C. when D. that 4______ he has won the Noble Prize has been proved to be true. A. What B. How C. It D. That 5．What he wants _______ to sleep more. A. are B. have been C. is D. were 6．______ we can begin this investigation is still a question. A. When B. Why C. What D. That 7．It is ______ that the highway will be open to traffic nest year. A. report B. reported C. reporting D. by report 8．______ fails to see this will make a big mistake. A. Whatever B. what C. wherever D. Whoever 9．It is a mystery _____ the prisoner escaped. A. why B. how C. what D. that 10．It was last summer _____ he graduated from the college. A. that B. when C. / D. where 3. 实战演练。 1. We didn’t know ______ she didn’t come. A. why B. that C. when D. it 2. It is still doubtful _______ she would play the part.
xx考研英语语法复习主语从句
xx考研英语语法复习主语从句 在复合句中充当主语成分的句子叫作主语从句。具体形式为：引导词引导一个从句作主语;或者it作形式主语+谓语/系表结构+引导词+从句。 ⑴陈述句充当主语从句，连词为that(that没有实际含义，在从句中只起连接作用，不在从句中作任何语法成分)，从句为"that+陈述句"，that不能省略。 【例句】 That Chris Lee won the champion of Super Girl in xx arouse wide public concern. 李宇春赢得xx年超女冠军这件事引起了社会的广泛关注。 ⑵一般疑问句充当主语从句，连词为whether(whether"是否"的含义，在从句中只起连接作用，不在从句中作任何语法成分)，从句为"whether+陈述句语序"，whether不能省略。 【例句】 Whether this is true or not remains a mystery. 这是对是错还是个谜。 ⑶特殊疑问句充当主语从句，连词为特殊疑问词(特殊疑问词都有自己的含义，在从句中作一定的语法成分)，从句为"特殊疑问词+陈述句语序"，特殊疑问词不能省略。 【例句】 例1 --what
What caused the aident remains unknown. 是什么引起了这一事故仍然。 例2--where Where my wife and I should enjoy our honeymoon is still unsettled. 我太太和我应该去哪享受我们的蜜月还没有最后决定。 例3 --which Which university I should choose to continue my further education is a question of great importance. 我应该考哪个大学的研究生是个很重要的问题。 例4--when When and where the test will be given is not yet decided. 什么时候在什么地方进行考试还没定下来。 例5---ever Whoever gets the job will have a lot of work to do. 任何得到这份工作的人都将要有很多工作要做。 例6--how How we can protect the grain from damp needs to be discussed. 我们怎样才能保护粮食不受潮需要讨论讨论。 3.It句型
初中英语语法从句讲解
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初中英语语法专题讲座——状语从句 状语从句在复合句中作状语，修饰动词、形容词或副词等。状语从句可以表示时间、条件、原因、地点、目的、结果、让步、方式、比较等意义。 知识梳理：提纲挈领，抓住重点和难点！ 各类状语从句连接词（短语）一览表： 时间 when, while, as, as soon as, since, until, after, before，as long as（长达……之久） 条件 If, unless,as/so long as(只要) 原因 As, because, since，as/so long as(既然,因为) 地点 Where 目的 So that(为了), in order that 结果 So that（方便）, so…that,such…that 让步 though, although, even if, however 方式 As 比较than, (not)as…as, 时间状语从句： Whenever he comes, he brings a friend. 他每次来都带个朋友。 They all continued their regard for me as long as they lived. 他们毕生都在关心着我. 条件状语从句： As long as I am alive, I will go on studying. 只要我活着，我就要学习。 原因状语从句： Since we live near the sea, we enjoy nice weather.由于我们住在海边，能享受到好的天气。 地点状语从句： Put it where we can all see it.把它放在我们都能看到的位置。 目的状语从句： Finish this so that you can start another.把这个做完，（为了）你可以开始另一个。 结果状语从句： He was so angry that he couldn't say a word. 他气得说不出话了。 让步状语从句： Though he is in poor health, he works hard.虽然他身体不好，但是他工作很努力。
2016考研英语：主语从句
在句子中起名词作用的句子叫名词性从句。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、同位语等，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、表语从句和同位语从句。今天我们就来重点讲一下其中的主语从句。 在复合句中充当主语成分的句子叫作主语从句。它的具体表现形式是：引导词引导一个从句作主语；或者it作形式主语+谓语/系表结构+引导词+从句。 【例1】that That Chris Lee won the champion of Super Girl in 2005 arouse wide public concern.李宇春赢得2005年超女冠军这件事引起了社会的广泛关注。 【例2】what What caused the accident remains unknown.是什么引起了这一事故仍然未知。 【例3】where Where my wife and I should choose to continue my further education is a question of great importance.我太太和我应该去哪享受我们的蜜月还没有最后决定。 【例4】which Which university I should choose to continue my further education is a question of great importance.我应该考哪个大学的研究生是个很重要的问题。 【例5】when When and where the test will be given is not yet decided.什么时候在什么地方进行考试还没定下来。 【例6】-ever Whoever gets the job will have a lot of work to do.任何得到这份工作的人都将要有很多工作要做。 【例7】how How we can protect the grain from damp needs to be discussed.我们怎样才能保护粮食不受潮需要讨论。 【例8】whether Whether this is true or not remains a mystery.这是对是错还是个谜。 It句型 有的时候主语从句过长，根据人类短暂记忆规律，主语过长会影响理解和阅读，往往会用it作形式主语，而把真正的主语放在句尾，加以强调，是为it句型。 【例】 It is a pity that we won’t be able to go to the south to spend our summer vacation.我们不能去南方度过我们的暑假很遗憾。 为表示强调，常以形式主语it引导从句。It+谓语+引导词+从句。由于主语从句一般被认为是单数形式，形式主语代表真正的主语，因此要用it。因此形式主语的谓语动词、be动词+表语均为第三人称单数形式或过去式。 英国桂冠诗人约翰·梅斯菲尔德说：“快乐的日子使人睿智。”很多考生可能觉得这句话应该反过来说，但其实复习过一段时间以后，面对着越来越复杂的难题，你就会发现，保持快乐的心态，复习效率自然而然就会提高。
初中英语语法状语从句讲解专项练习及答案
初中英语语法状语从句讲解专项练习选择合适的连接词，完成下列句子。 spends a lot of money on books______he is not rich. fell into sleep ______she was listening to the music. David at school today ----No. He is at home ______he has a bad cold. , won't have supper ______my mother comes back. to him slowly ______he may understand you better. 6. ______ she doesn't come on Sunday, I'll go fishing by myself. is four years ______I had left that small village. 8. ______the air moves, it is called wind. will go to the park ______it doesn't rain tomorrow. boys did ______much work. are few new words in the passage ______we can't understand it. ? back ______you come from. reached the station ______the train had left. you have a swimming pool ----No, we don't. At least, not ______big ______yours. me your paper ______you have finished it. is raining hard, ______we have to stay at home. 17. ______you work harder, you'll never pass the final exam. after the children ______I am out. ' village is ______far away ______I can't get there on foot. is ______an interesting book ______I can't stop reading it. 能力提高练习 1 ( ) 1 The meeting didn't start___ everyone was there. A. because B. until C. why D. if ( ) 2 The boy ___ to bed ___ his mother came in. A. went not; until B. didn't go; after C. went; until D. didn't go; until ( ) 3 I won't believe you___ I have seen it with my own eyes. A. before B. until C. after D. when ( ) 4 He ___ home ___ she was satisfied ___ his answer yesterday. A. didn't go; until; with B. wasn't go; after; to C. doesn't go; before; with D. didn't go; until; to ( ) 5 He ___ back until the work ___ done. A. isn't; will be B. isn't; is C. won't be; will be D. won't be; is ( ) 6 They didn't start the work ___ their teacher came back. A. until B. while C. as soon as D. if 2 ( ) 1 Tom will call me as soon as he ___ Shanghai. A. arrives B. will reach C. arrives in D. get to ( ) 2 I'm sure he'll come to see me before he ___ Beijing. A. will leave B. is leaving C. leave D. leaves ( ) 3 I will tell him the news as soon as he___ back. A. come B. comes C. will come D. came 3 ( ) 1 Tom has got a watch. He ___ it for two years. It _______ by his father. A. has bought; was bought B. has got; is bought , C. was bought; has bought . D. has had; was bought "' ( ) 2 When he got to the station, the train ___. A. left B. had left C. leaves D. has left