复合句一-主语从句
- 格式:doc
- 大小:54.00 KB
- 文档页数:15
主语从句20个例子解析:主语从句是在复合句中充当主语的从句,通常放在主句谓语动词之前或有形式主语it代替,而本身放在句子末尾。
20个例子如下:1.What he said is not important.他说的话并不重要。
2.Whether we will go depends on the weather.我们是否去取决于天气。
3.Whoever wins the game will be the champion.赢得比赛的人将成为冠军。
4.What you need is more practice.你需要的是更多的练习。
5.When she will arrive is still unknown.她什么时候到达还是未知的。
6.Why he did it remains a mystery.他为什么这样做仍然是个谜。
7.How they will solve the problem has not been decided.他们将如何解决问题还没有决定。
8.Which book she should choose is not clear.她应该选择哪本书还不清楚。
9.That she finished the work ahead of time was amazing.她提前完成了工作很令人惊讶。
10.The fact that he works hard is well-known.他工作努力是众所周知的。
11.The news that they won the game is exciting.他们赢得比赛的消息令人兴奋。
12.The idea that computers can think is fascinating.计算机可以思考的想法很吸引人。
13.The question who should be responsible for it remains unanswered.谁应该对此负责的问题仍未得到回答。
什么是主句、从句和复合句(一)1. 有关概念由一个主句和一个或一个以上从句构成的句子叫做复合句。
所谓主句,就是在复合句中起统领作用的句子,它是全句的主体,通常可以独立存在;而从句则是复合句的一个句子成分,不能独立存在。
如:You’ll feel better after you take the pills. 吃完药丸后你会感到好一些。
The police learned that he wasn’t there at that time. 警察获知他那时不在场。
这两句都是复合句,第一句的主句是You’ll feel better,从句是after you take the pills,由after引导,在整个复合句中用作状语,表示时间;第二句的主句是The police learned是主句,that he wasn’t there at that time是从句,由that引导,在整个复合句中用作宾语。
注意,英语的复合句不是简单句的反面,不要将它误解为“复杂句”。
事实上,英语的简单句有时也可以比较“复杂”,而复合句也可以比较“简单”。
如:He stopped because he was tired. 他停下来是因为他累了。
这个句子比较“简单”,却是一个典型的复合句,其中的he stopped是主句,because he was tired是从句,在复合句中用作状语,表示原因。
2. 从句的分类前面我们说到从句是整个复合句的一个句子成分,它可以用作主语、宾语、定语、状语等。
一般说来,一个从句在复合句充当什么成分我们就叫它为什么从句——从句在复合句用作主语,我们就叫它为主语从句;从句在复合句用作宾语,我们就叫它为宾语从句;从句在复合句用作状语,我们就叫它为状语从句;等等。
如:He answered that he knew nothing about it. 他回答说他不知情。
The trouble is that I have lost his address. 麻烦的是我把他的地址丢了。
在复合句中做主语的从句叫做主语从句,它的位置与陈述句基本结构中的主语相同。
引导主语从句的关联词有:连词:that, whether;连接代词:who, whom, whose, what, which;连接副词:when, where, why, how;复合词:whatever, whoever, whomever, when?蛳ever, wherever, whichever, however.1. that 引导的主语从句(1) that 在主语从句中无任何意义,也不充当任何成分,只起连接作用,但不可省略。
例:That he passed the final exam made his mother happy.That Taiwan is a part of China is well known.(2) that 引导主语从句时,可用it 作形式主语,而将that 从句置于句尾。
例:It made his mother happy that he passed the final exam.It is well known that Taiwan is a part of China.(3) 如果以that 引导分句的句子是疑问句,就只能用it 作形式主语结构。
例:Is it true that he passed the driving text?2. whether 引导的主语从句whether 在主语从句中不充当任何句子成分,作“是否”讲,引导主语从句的语序用陈述句语序。
位于句首时,只能用whether 引导主语从句;位于句中时,可用if 与whether 互换。
例:Whether Tom will come is uncertain.It is not known whether/if they will come today.3. 用哪一个“wh-”词取决于从句里缺少或所需要的句子成分例:What he needs is that book.When Jack will come is not known.This is what I want.4. -ever 引导的主语从句whatever, whoever, whomever, whenever, wherever 表示“无论什么”、“无论谁”、“无论何时”,“无论哪里”,语气比what, who, when, where 等强烈。
(完整版)主语从句详解+例句主语从句是复合句中的一个重要成分,由一个从句作为主语,起到句子中主语的作用。
本文将详细介绍主语从句的结构和用法,并提供一些例句进行说明。
1. 主语从句的结构主语从句由引导词和一个从句组成,引导词在句子中充当主语的角色。
常见的引导词有:- that- whether/if- who- whom- which- what- whoever- whatever主语从句的结构可以是以下几种形式:- 陈述句形式:[that + 陈述句]- 一般疑问句形式:[whether/if + 陈述句]- 特殊疑问句形式:[疑问词 + 陈述句]2. 主语从句的用法- 主语从句可以替代主句中的名词或名词短语作为主语,使句子更加简洁明了。
例如:- That he is late is unacceptable.(他迟到是不能接受的。
)- What you said surprised me.(你说的话让我很吃惊。
)- 主语从句常用于强调句型中,强调句型的结构为:[It + 系动词 + 主语从句 + 其他成分]。
例如:- It is important that we take action now.(我们现在采取行动是很重要的。
)- It doesn't matter what they think.(他们怎么想并不重要。
)3. 主语从句的例句- That he didn't show up was disappointing.(他没有露面是令人失望的。
)- Whether she will join us is still unknown.(她是否会加入我们还不知道。
)- Who will be the winner is yet to be determined.(谁将会是胜利者还有待确定。
)- It is surprising that they didn't invite him.(他们没有邀请他是令人惊讶的。
复合句一-主语从句————————————————————————————————作者:————————————————————————————————日期:ﻩ英语复合句讲解复合句是由一个主句和一个或一个以上的从句构成。
主句是全句的主体,往往可以独立存在;而从句仅是句子的一个成分,故不能独立存在,必须有一个关联词引导。
从句按其在复合句中的作用,分为。
1、定语从句(形容词从句)2、名词从句(包括主语从句,宾语从句,表语从句,同位语从句)3、状语从句(副词性从句,包括时间,地点,结果,目的,原因等)主语从句一.在复合句中充当主语成分的句子叫做主语从句。
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 willwin the medal seems unlikely.你想获得奖牌看起来是不可能的。
ﻫThatyou are so indifferentbothersme.ﻫ你如此冷淡使我很烦恼。
ﻫThatshe survivedthe accident is a miracle.ﻫ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)例如:Whether sheis coming ornot doesn’t matter too much.ﻫ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 youneed is more practice.你所需要的是更多的训练。
WhatI want to knowis 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。
主语从句的构成主语从句是复合句中的一种从句类型,它在句中充当主语的角色。
主语从句的构成包括引导词和从句本身。
在英语中,常见的引导词有:1. 从属连词:that, whether/if2. 连接代词:what, which, who, whom, whose, whoever, whatever, whichever3. 连接副词:where, when, why, how主语从句通常位于句首或句中,具体位置取决于句子结构和表达的需要。
下面将分别介绍不同引导词的用法和主语从句的构成。
1. 引导词“that”主语从句中常用“that”作为引导词,尤其是在口语和非正式的书面语中,常省略该引导词。
例如:- That he didn't come surprised me.(他没来我感到吃惊。
)- It is important that you arrive on time.(你准时到达很重要。
)2. 连接代词“what, which, who, whom, whose, whoever, whatever, whichever”连接代词根据其所代表的内容不同,在主语从句中使用的方式也有所不同。
2.1. “what”用于对事物提问或引导名词性从句,如:- What you said is true.(你说的是对的。
)- What matters most is your health.(最重要的是你的健康。
)2.2. “which”用于对事物提问或引导名词性从句,且有明确限定范围,如:- Which book you choose is up to you.(你选择哪本书由你决定。
)- I'll take whichever route is shorter.(我会选择任何更短的路线。
)2.3 “who, whom, whose”用于对人提问或引导名词性从句,如:- Who will go with me is undecided.(谁和我一起去还没确定。
如何写好复合句一、在英语中,包含一个主谓结构的句子叫简单句。
如果一个句子包含两个或更多的主谓结构,其中有一个或更多的主谓结构充当整个大句子中的某一成分,这个句子就叫复合句。
复合句中的从句分为名词性从句、定语从句(形容词性从句)和状语从句(副词性从句)。
其中,名词性从句又分为主语从句、宾语从句、表语从句和同位语从句。
二、名词性从句比较下列两组句子:1)Your explanation(主语) sounds(连系动词)reasonable(表语).(只有一个主谓结构,简单句)What you said just now(主语从句) sounds(连系动词) reasonable (表语).(主语包含一个主谓结构,复合句)2)I(主语) believe(谓语) your honesty(宾语).(只有一个主谓结构,简单句)I(主语) believe(谓语) that you are honest(宾语从句).(宾语包含一个主谓结构,复合句)我们看到:①在主语从句What you said just now中what,以及that you are honest中的that都是引导从句的连词;②从句的结构一般来说和简单句的结构一样,只是从句前多了一个起引导作用的连词;③从句都要用陈述语序(即主语在前,谓语在后) 了解并正确使用连词学好名词性从句的关键,引导名词性从句的连词的词义和用法如下:如:1)That he didn’t pass the examination disappointed his mother.(主语从句,that没词义,在从句中不充当任何成分)注意:引导主语从句的that不能省略,如在上句中,如果省去that,句子结构混乱,是典型的”汉语式英语”;而有了that,就很容易看出that是连词,引导主语从句that he didn’t pass the examination,整个句子结构是”主语+谓语+宾语”。
主从复合句的五种基本句型例句一、主从复合句的概念主从复合句是由一个主句和一个或一个以上的从句构成的句子。
从句在主句中充当某个成分,如主语、宾语、表语、定语、状语等。
二、主从复合句的五种基本句型及例句1. 主语从句- 句型结构:从句作主语 + 谓语 + 其他成分。
- 例句:What he said is very important.(他所说的话非常重要。
在这个句子中,“What he said”是主语从句,在整个句子中充当主语,“is”是谓语)2. 宾语从句- 句型结构:主句主语 + 谓语 + 宾语从句(引导词 + 陈述语序句子)。
- 例句:I think that he will come.(我认为他会来。
“I”是主句主语,“think”是谓语,“that he will come”是宾语从句,作“think”的宾语)3. 表语从句- 句型结构:主句主语 + 系动词 + 表语从句。
- 例句:The problem is when we can get a pay rise.(问题是我们什么时候能涨工资。
“The problem”是主句主语,“is”是系动词,“when we can get a pay rise”是表语从句)4. 定语从句- 句型结构:主句(先行词 + 定语从句)。
- 例句:I like the book which/that was written by Lu Xun.(我喜欢鲁迅写的那本书。
“I”是主句主语,“like”是谓语,“the book”是先行词,“which/that was written by Lu Xun”是定语从句,用来修饰“the book”)5. 状语从句- 句型结构:主句 + 状语从句(根据不同的状语从句类型,引导词和结构有所不同)。
- 例句:When I was young, I liked reading very much.(当我年轻的时候,我非常喜欢阅读。
英语复合句讲解复合句是由一个主句和一个或一个以上的从句构成。
主句是全句的主体,往往可以独立存在;而从句仅是句子的一个成分,故不能独立存在,必须有一个关联词引导。
从句按其在复合句中的作用,分为。
1、定语从句〔形容词从句〕2、名词从句〔包括主语从句,宾语从句,表语从句,同位语从句〕3、状语从句〔副词性从句,包括时间,地点,结果,目的,原因等〕主语从句一.在复合句中充当主语成分的句子叫做主语从句。
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)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。
)例如:Where we should leave is a problem. 我们什么时候离开还是一个问题。
When th ey will come hasn’t been made pub lic.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。
四,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 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 will win 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; surprising; interesting; astonishing, etc.例如:It is doubtful whether she will be able to come.她是否能来令人疑心。
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 pointed out th at… 必须指出……类似的过去分词还有:known; estimated; expected; believed; thought; hoped; required;suggested; demanded; made clear;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 2000 years old.据估计这个花瓶有2000年的历史。
It has not been made clear when the new road is to be opened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 one 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。
六.只用whether不用if引导主语从句.形式主语IT有时为了考虑句子平衡〔防止头重脚轻〕,通常在主语从句处使用形式主语it,而将真正的主语从句移至句末。
这分三种情况:(1)对于以连词that引导的主语从句,通常用形式主语代主语从句:It’s a pity that he didn’t come. 很遗憾他没来。
It’s vital that we〔should〕be present. 我们出席是至关重要的。
It was intended that you be the candidate. 大家的意图是让你当候选人。
It is appropriate that this tax be abolished. 废除这个税是恰当的。
It’s unfair that so many people should lose their jobs. 竟有这么多人失业这是不公平的。
That they should refuse to sign the petition required great courage. 他们拒绝在请愿书上签字这是需要很大勇气的。
注意:should 用于虚拟语气用于主语从句中在“It is +形容词/某些动词的过去分词+that从句”的结构中,从句的谓语动词用“〔should〕+ do ”虚拟语气形式来表示命令、要求和建议。
这些形容词和过去分词常见的有important〔重要的〕、essential〔必要的〕、necessary〔必须的〕、natural〔自然的〕、ordered〔命令的〕、demanded〔要求的〕、proposed〔建议的〕、required〔要求的〕等。
(2)对于以连接代词(副词)引导的主语从句,可以使用形式主语代主语从句,也可直接在句首使用主语从句:Whether they would support us was a problem. 他们是否会支持我们还是一个问题。
It was a problem whether they would support us. 他们是否会支持我们还是一个问题。
(3)对关系代词型what引导的主语从句,通常直接将主语从句放在句首。
如:What we need is money. 我们需要的是钱。
What I want to know is this. 我想知道的就是这一点。
有时也可将助用形式主语。
如:It is clear enough what he meant. 他是什么意思很清楚。
(4)如果句子是疑问句,则必须用带形式主语it的结构:Is it true that he is the girl’s father? 他是那女孩的父亲,是真的吗?How is it that you are late again? 你怎么又迟到了?三、连词that的省略问题引导主语从句的连词that 有时可省,有时不能省,其原则是:假设that引导的主语从句直接位于句首,则that不能省略;假设that引导的主语从句位于句末,而在句首使用了形式主语it,则that可以省略:That you didn’t go to the talk was a pity. 很遗憾你没去听报告。
(that不可省) It was a pity (that) you didn’t go to the talk. 很遗憾你没去听报告。
(that可省)主语从句练习题Ⅰ.选择题:1._____ as much as one-fifth of all timber(木材) harvested is not used.A. The estimateB. The estimateC. They are estimatedD. It is estimated that• 2. _____ some mammals〔哺乳动物〕came to live in the s ea is not known.A. WhichB. SinceC. Although D. How3. _____ we have achieved is attributed to theguidance of our parentsA. WhoeverB. WhateverC. HoweverD. That5. Although _____ happened in this developed countrysounds like science fiction, it could occur elsewherein the world.A. whichB. whatC. howD. it6. _____ she had forgotten to take her notebook.A. That occurred to herB. She occurred thatC. To her that occurredD. It occurred to her that7. I am sure that _____ she said is wrong.A. whichB. allC. thi sD. what8. We lost our way in the forest, and _____ made mat ters worse was that it was getting dark.A. thatB. whichC. it D. what9. _____ some mammals came to live in the sea is no t known.A. WhichB. SinceC. Although D. How10. _____ or not is still uncertain.A. He’s comingB. If h e is comingC. That comingD. Whether he’s coming11. It’s_____ he’ll be able to come.A. doubt whetherB. doubtfulC. doubt it D. doubtful whether12. _____ he is at work in the heart of the big cit y or at home in the quiet suburb, Dick’s life is ti ed to machines.A. WhetherB. Till C. If D. Unless13. _____ he saw both surprised and frightened him.A. ThatB. When C. What D. Which14. _____ is a spell of warm sunshine.A. What do we all need.B. What a ll we needC. What we needD. What we all need15. _____ is a pity that he should feel so upset.A. WhatB. That C. He D. It 16. _____ a spoonful of soil can tell us so much abo ut the structure and early history of the moon.A. RemarkableB. Quite remarkablyC. It is remarkable thatD. It is remarkable fact that17. _____ you nominate will be elected.A. WhoB. Whom C. Whomever D. That’s18. _____ book you borrow must be returned within a week.A. WhatB. Which C. Whichever D. Th at’s19. _____ of us gets home first starts cooking.A. WhoB. Which C. Whichever D. Anyone20. _____orders he gives are obeyed.A. WhicheverB. Which C. Whatever D. What21. ____ wants to stay in a hotel has to pay their own way. (浙江 2008)A. AnyoneB. The oneC. WhoeverD. Who22. ____ matters most in learning English is enough practice.(2007 全国卷Ⅱ)A. WhatB. WhyC. WhereD. Which23. ____ fashion differs from country to country may reflect the cultural differences from one aspect. (上海 2002 春)A. WhatB. ThatC. ThisD. Which24. ____ we’ll go camping tomorrow depends on the weather. (NMET 1996)A. IfB. WhetherC. ThatD. Where【稳固练习】1.__________________________________ hasn’t been decided yet.(pick)谁将去接他还没有确定。