高一语法专题三名词性从句

高三语法专题名词性从句

主语从句，表语从句，宾语从句和同位语从句在复合句中的作用相当于名词，因此这四种从句统称为名词性从句。

一：名词性从句的引导词

1;连接词:that, if, whether.只起引导作用，在句中不充当任何成分．其中that不翻译出来，没有任何含义；而if和whether翻译成”是否”。Eg: That this has happened is not uncertain.

We cannot be sure whether /if our dreams will come true.

2:连接代词：who, , whose, which, what, whatever, whoever, whichever.在句中要充当主语，宾语，表语．I wonder what you are thinking about.

Can you imagine what will happen next?

My hometown is not what it used to be.

３；连接副词：where, when, how, why, how soon, how often, how long, how much.在句中充当相应的状语．

When he will hold the meeting has been decided.

This is how Henry solved the problem.

二：名词性从句的分类与引导词

一）：主语从句

主语从句在复合句中作主句的主语，引导主语从句的词有，that, whether, who, what, which, whoever, whichever, whatever, when, where, how, why等。

Whether we will succeed is still a question.

Whoever comes to the party will receive a present.

注：1. 主语从句的主谓一致

1).主语从句通常被看作一个整体,主句的谓语动词用单数形式.

That they will come is certain

2).由who, whoever引导的主语从句的单复数要视从句中的单复数而定. Whoever say that are to be punished.

Who he is doesn’t concern me.

3).What 引导主语从句时,主句谓语动词的单复数由表语的单复数决定.What he wants are these books.

What he wants is some water

2. 有时为了平衡句式，常用it 做形式主语，而把从句放在后面．

It is a pity that she has made such a mistake.

It depends on the climate whether they are going shopping today.

It is believed that he is a talent

二）.宾语从句

宾语从句在复合句中作主句的宾语，引导宾语从句的词有，that, whether, who, what, which, whoever, whichever, whatever, when, where, how, why等。宾语从句一般放在动词，形容词或介词后。

She has told us (that) she will give us a hand.

He asked me how I was getting along with my new classmates.

I’m afraid that I have made a mistake.

I was interested in what he was doing.

注：1. 有时要用it 作形式宾语，而把宾语从句放在句子的后面。

He has made it clear that he will not give in.

You may depend on it that they are valuable.

2. 如do you think/believe/suppose/expect/imagine后接特殊疑问词引导的宾语从句，疑问词要放在居首。

What do you think is going on outside?

When do you believe he will held the meeting

3. I/We (don’t) think/believe/suppose/expect/imagine后接宾语从句时，反义疑问句要与从句中的主语和谓语保持一致。

I don’t suppose he cares, does he?

4. that引导，通常that可以省略（但that引导其他名词性从句时不可省略）

She has told us (that) she will give us a hand.

三）.表语从句

表语从句在复合句中作主句的表语，引导表语从句的词有，that, whether, who, what, which, whoever, whichever, whatever, when, where, how, because等。表语从句一般放在系动词后。

The reason is that I’ve been too busy these days.

That is where he spent his childhood.

The coat is where you left it.

三）.同位语从句的概念

在复合句中用作同位语的从句叫做同位语从句。它一般跟在某些名词后，用以说明该名词表示的具体内容。引导同位语从句的词有，that, whether, who, what, which, when, where, how, why等.常放在fact, news, idea, truth, hope, problem, information suggestion, possibility

等名词后面，用以说明该名词的具体内容。

I heard the news that our team had won.

We haven’t settled the question where we will spend our holidays.

The question who should do the work requires consideration .

2.有时用namely（即），that is to say（也就是说），that is （那就是）等引出同位语或同位语从句。

There is only one way of improving your English , that is , to practice more.

He told us the good news, namely, the museum is open to all.

三：名词性从句的难点和考点

1.语序问题。名词性从句要用陈述语序

The photographs will show you what our village looks like

You can hardly imagine how excited he was when he heard the news

2：引导词that和what的区别

What在从句中要充当主语，宾语或表语，这时what相当于all that/everything that等常译作“所…..的（东西，事情，话等）”。而that只起连接作用，本身无实际意义，在从句中不充当任何成分，that引导主语从句放在居首时不能省略。

What I can’t understand is why he has changed his mind.

That the earth is round is known to us all.

2.引导词if 和whether的区别

if 和whether引导动词后的宾语从句时可以通用，但介词后的宾语从句，主语从句，表语

从句和同位语从句不能用if引导。

I don’t care if/whether he will come to my party.

I worry about whether I hurt her feelings.

Whether she will go home or not is unknown.

The question is whether we can collect enough money.

3.引导词Who 和whoever的区别

引导名词性从句时，whoever相当于anyone who或those who它既是从句的主语又是主句的主语。而who只做从句的主语，它引导的从句才是主句的主语。

Whoever has helped to save the drowning girl is worth praising.

Who will be elected the president doesn’t make much difference to me.

4.同位语从句与定语从句的区别

同位语从句用于解释前面名词的内容，从句本身是一个完整的句子，所以其前面的名词在同位语从句中不作任何成分；而定语从句对它前面的名词加以限制和修饰，从句本身不完整，因此其前的名词在定语从句中通常做主语，宾语或表语等成分。

The news that Mr. Brown will be our new English teacher is true.

The news that he told me yesterday is true.

I’ve no idea that Kate has been to shanghai

The book (that) I bought yesterday was written by LuXun.

5.Whoever 与no matter who ，whatever 与no matter what的区别。Whoever whatever即可引导名词性从句也可引导让步状语从句；而No matter what和No matter who只引导让步状语从句。

Whatever(=No matter what) you may think, I’m going ahead with my plans.

Whoever(=No matter who) you are, you can’t pass the way.

Take whatever you need and leave me alone.

Whoever did this job must be rewarded.

6.名词性从句中的语气。

1)表示“建议，命令，请求，要求”意义的动词后接that从句时，从句的谓语动词要用should+动词原形表虚拟，且should 可以省略。Advise/recommend/order/propose/suggest / insist / demand / require / request (that) sb. (should) do…

Bob’s doctor suggests that he (should) rest for a few days.

I suggested that he see a doctor.

He insisted that we arrive there before 7 o’clock.

2) 在It is important / necessary/natural/strange/essential…+ that sb. (should) do…

It is necessary that the problem should be settled at once.

7.名词性从句的时态

名词性从句一般要遵循时态一致原则,但虚拟语气例外；即主句用现在时，从句用现在的某种时态；主句用过去时，从句也用过去的某种时态。

He said that he didn’t want to know. I wonder what has happened to her.

名词性从句中考查虚拟语气

1. 考查主语从句中虚拟语气的谓语动词形式

这类形式的虚拟语气通常表示建议、命令、要求、希望、惊讶等语气。

(1) “It is necessary (important/natural/strange/surprising) that ...”句型中,从句的谓语

动词通常使用(should) + 动词原形,例如:

　It is necessary that he (should) be sent to hospital at once. 他有必要被立刻送往医院。

　It is strange that she (should) marry such a poor man. 她竟然嫁给这样一个穷光蛋,真是太奇怪了。

(2) It is suggested (desired/decided/ordered/requested / proposed) that ...,例如:

It has been decided that the meeting (should) be put off till next Saturday. 会议决定推迟到下周六举行。

2. 考查宾语从句中的虚拟语气

(1) 在某些表示“建议、要求、命令”的动词后的宾语从句中,使用(should) + 动词原形。常见的这类动词有:一个坚持(insist);两个命令(order、command);三项要求(demand、require、request);四条建议(advise、suggest、propose、recommend)等。

(2) 动词wish后的宾语从句中,谓语动词有三种形式:对现在的虚拟,用过去时;对过去的虚拟,用过去完成时;对将来的虚拟,用would / should +动词原形。

3. 考查表语从句和同位语从句中的虚拟语气

某些表示“建议、计划、命令”的名词(如

advice、order、demand、plan、proposal、suggestion、request等)后的同位语从句和

表语从句中的谓语动词常用(should) + 动词原形。例如: We all agreed to his suggestion that we (should) go to Beijing for sightseeing. 他建议我们到北京旅游观光,我们都同意了。

My advice is that he (should) exercise first. 我的建议是他应该先做练习。

热点3 在其他固定句式中考查虚拟语气

1. 虚拟语气用于“It is (high) time (that) ...”句型中,that从句中的谓语动词用过去式(be用were)或should + 动词原形,should不能省略,意为“(现在)该到了……的时候了”。例如: It's high time that he went / should go to bed. 到了他该上床睡觉的时候了。

2. 虚拟语气用于would rather后的从句中,表达一种愿望或建议时,用过去式表示现在或将来的情况,用过去完成式表示过去的情况。例如:

I would rather you went next Sunday. 我情愿你下周日走。

I would rather you hadn't done that. 我真希望你没做那件事。

3. 虚拟语气用于as if / as though、even if / even though等引导的表语从句或状语从句中,对现在的虚拟,用过去时;对过去的虚拟,用过去完成时。例如:

The two new-comers talked as if they had known each other for ages. 那两个新来的人聊天的样子仿佛他们已经相识多年了。

4. 虚拟语气用于if only引导的感叹句中,其谓语动词的形式与wish后的宾语从句的谓语动词形式一样。

热点4 在语境中考查“情态动词+完成时”表达的虚拟语气

情态动词should / ought to / would / needn't + have done表示虚拟意义,含有“责备、遗憾、后悔”的意味。

名词性从句练习

一、判断下列各句哪句含有名词性从句，并指出是什么从句：

1. China is no longer what it used to be.

2. The truth that the earth turn around the sun is known to all.

3. How he persuaded the manager to change the plan is interesting to us all.

4. The news that they had won the game soon spread over the whole school.

5. The news that you told me yesterday was really disappointing.

6. That is where Lu Xun used to live.

7 He spoke as if he understood what he was talking about.

8. Do you remember the teacher who taught us English at middle school?

9. I wonder why she refused my invitation.

高一英语语法定语从句归纳总结.pdf

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初中英语语法名词性从句

名词性从句在句子中起名词作用的句子叫名词从句。名词从句的功能相当于名词词组，名词从句又可分为主语从句、宾语从句、表语从句和同位语从句。一．主语从句 1.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。主语从句要求使用陈述句语序。 What surprised me most was that the little girl could play the violin so well. How he was successful is still a puzzle. That he is going aboard made him excited. Where the English party will be held has not yet been announced. 注：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。 It is interesting that you like him. It is a pity that you can not go to the party tonight. 2.连接词的选用（1）that和what的选用 that和what都可引导主语从句。what除起连接作用外，还在名词性从句中充当某些成分，可作从句的主语、宾语或表语。而that在名词性从句中不充当任何成分，无词义，只起连接词作用。 What he wants is a book. 他想要的是一本书。 That light travels in straight lines is known to all. 众所周知，光线沿直线运行。（2）if和whether的选用

定语从句专项讲解细致导入

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高一英语定语从句教案

高一英语定语从句教案一、基本概念 1. 定语从句：修饰一个名词或代词的从句称为定语从句，一般紧跟在它所修饰的先行词后面。 2. 先行词：被定语从句修饰的名词 3. 关系词：引导定语从句的关联词成为关系词有关系代词和关系副词。关系代词有that, which, who, whom, whose, as；关系副词有where, when, why。关系词常有3个作用：1）引导定语从句。2）代替先行词。3）在定语从句中担当一个成分。二、关系代词和关系副词的意义及用法指人：who, that,(指人常用who,不常用that) 主语指物：which, that 指人：whom, who, that（who常用在在非正式和口语体中）宾语(关系代词作宾语时常可省略) 关系代词指物：which, that 定语：whose （whose + n.=of which + n. ）关系词时间：when 关系副词----状语地点：where = 介词+ which 原因：why 解题技巧：关键看从句缺何种成分三、例句练习讲解 1.Yesterday I helped an old man ＿lost his way.昨天我帮助了一位迷路的老人。 2.The man ＿you met just now is my friend. 你刚才见到的那个人是我的朋友。 3.This is the pen ＿he bought yesterday. 这是他昨天买的笔。 4.He has a friend ＿father is a doctor. 他有个父亲是医生的朋友。注意：whose指物时，常用以下结构来代替，例：门坏了的那间教室很快就会被修好。 The classroom whose door is broken will soon be repaired. The classroom the door of which is broken will soon be repaired. 你喜欢那本封面是黄色的书吗？ Do you like the book whose cover is yellow? Do you like the book the cover of which is yellow? 5.I still remember the day ＿I first came to this school.我仍然记得第一次来到这学校的那一天。 6.Shanghai is the city ＿I was born. 上海市我出生的地方。 7.Please tell me the reason ＿you missed the plane. 请告诉我你错过航班的原因。注意：关系副词引导的从句可以由“介词+which”引导的从句替换 8.易错题：This is the mountain village (which) I visited last year. I'll never forget the days (which) I spent in the countryside. 习惯上总把表地点或时间的名词与关系副词where, when联系在一起而做错题。

what引导名词性从句的五种用法

what引导名词性从句的五种用法一、用法归纳 1. 表示“……的东西或事情”： They’ve done what they can to help her. 他们已经尽力帮助了她。 He saves what he earns. 他赚多少，积蓄多少。 What Mary is is the secretary. 玛丽的职务是秘书。 2. 表示“……的人或的样子”： He is no longer what he was. 他已经不是以前的那个样子。 He is what is generally called a traitor. 他就是人们通常所说的叛徒。 Who is it that has made Fred what he is now? 是谁把弗雷德培养成现在这个样子的？ 3. 表示“……的数量或数目”： Our income is now double what it was ten years ago. 我们现在的收入是10年前的两倍。 The number of the students in our school is ten times what it was before liberation. 现在我校学生的数量是解放前的10倍。 4. 表示“……的时间”： After what seemed like hours he came out with a bitter smile. 似乎过了几个小时他才苦笑着出来。 The young girl was too frightened to speak, standing there for what seemed like hours. 小女孩吓得不敢说话，在那儿站了几个小时。 5. 表示“……的地方”： This is what they call Salt Lake City. 这就是他们称为盐湖城的地方。 In 1492, Columbus reached what is now called America. 1492年哥伦布到达了现在所称的美洲大陆。二、用法说明 (1) 这样用的what相当于“先行词+关系代词”，所以其前不能有先行词：你喜欢什么就拿什么吧。正：You can have what you like. / You can have everything (that) you like. 误：You can have everything what you like. (2) 有时what 可用作限定词，其后修饰一个名词： I gave him what books I had. 我把我所有的书都给他了。 He gave me what money he had about him. 他把身边带有的钱全给了我。 (3) What 后的名词可以是复数名词或不可数名词，但通常不能是单数可数名词：误：I gave him what book I had.

高中英语语法系列：定语从句

高中英语语法系列：定语从句知识要点 1.关系代词和关系副词的选用 2.限制性定语从句和非限制性定语从句的区别 3.几组的关系词特殊用法一、定义：在复合句中，修饰名词或代词的从句叫做定语从句。 The happy man who lives next to me sells vegetables. You must do everything that I do. 被定语从句修饰的词，叫先行词。比如上面两句中的man和everything. 引导定语从句的词，叫关系代词和关系副词。比如who,whom,that,which,wh ere,when,why等关系词三重作用：①连接主从句；②指代先行词；③在定语从句中担任句子成分。 The man who lives next to me sells vegetables. 该句中，who lives next to me是定语从句，修饰先行词the man，“who”是引导定语从句的关系词，代替先行词the man，在定语从句中作主语。二、关系词引导定语从句的关系代词有who,whom,which,that,whose,as等和关系副词w here,when,why等。关系代词和关系副词在定语从句中担任句子成分。

1.用关系代词that,which,who,whom引导的定语从句 who指人，用作主语 whom指人，用作宾语 which指物，用作主语、宾语皆可 that指人和物，用作主语、宾语皆可 The teacher who visits our school today is from Guangzhou. Mrs Read is the person whom you should write to. They planted some trees which didn’t need much water. The fish(which)we bought this morning were not fresh. A plane is a machine that can fly. The noodles(that)I cooked were delicious. 2.用关系代词whose引导的定语从句：先行词既可指人，也可指物，一般译为“谁的”“什么东西的”，请看例子 The room whose window faces south is mine. 3.用关系副词when、where、why引导的定语从句 (1)when在从句中作时间状语 October lst,1949is the day when(=on which)the People’s Republic of Chin a was founded. (2)where在从句中作地点状语 I recently went to the town where(=in which)I was born. (3)why在从句中作原因状语 The reason why(=for which)he was late was that he missed the train.

英语语法名词性从句用法小结

英语语法名词性从句用法小结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、同位语等，因此根据它在句中不同的语法功能，名词性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。一. 名词性从句的连接词引导名词性从句的连接词可分为四类： 1. that（无含义，不充当成分） 2. whether, if（有“是否”的含义，但不充当成分） 3. 连接代词：what, whatever, who, whoever, whom, whomever,whose, which,whichever. （在从句中做主语、宾语、表语和定语）连接副词：when, whenever,where,wherever, how, however,why（在从句中做状语） 4. as if,as though,because（不充当成分，在名词性从句中只引导表语从句）二. 四类名词性从句语法要点 1.主语从句在整个句子中用作主语的从句叫主语从句。 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。 it 作形式主语：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。 It is clear that he is innocent in the accident. 很明显，他在这场事故中是无辜的。 2. 宾语从句在整个句子中用作宾语的从句叫宾语从句。 He has told me that he will go to Shanghai tomorrow. 他已经告诉我他明天要去上海。 We must never think (that) we are good in everything while others are good in nothing. 我们决不能认为自己什么都好，别人什么都不好。 it 作形式宾语：在“主语+谓语+宾语+宾补”的句型中，如果宾语是从句的形式，则必须用it 做形式宾语，把真正的宾语即宾语从句置于句末。 We found it impossible that the so much work will be finidhed in one day. 我们发现一天之内完成这项工作不可能。 3. 表语从句在整个句子中用作表语的从句叫表语从句。 The fact is that we have lost the game. 事实是我们已经输了这场比赛。 That is why he didn’t come t o the meeting.

(完整版)高中英语定语从句讲解及练习

高中英语定语从句讲解及练习定语从句是高中重点知识，也是高考常考点，大家也不容易掌握，这篇文章主要教你关系代词引导的定语从句关系副词引导的定语从句判断关系代词与关系副词限制性和非限制性定语从句等内容，有例题讲解定语从句在句中做定语，修饰一个名词或代词，被修饰的名词词组或代词即先行词。定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。关系代词有：who, whom, whose, that, which等。关系副词有：when, where, why等。 18.1 关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。 1）who, whom, that 这些词代替的先行词是人的名词或代词，在从句中作主语和宾语。例如： Is he the man who/that wants to see you? 他就是你想见的人吗？（who/that在从句中作主语） He is the man whom/ that I saw yesterday. 他就是我昨天见的那个人。（whom/that在从句中作宾语） 2）whose 用来指人或物，（只用作定语, 若指物，它还可以同of which互换）。例如： They rushed over to help the man whose car had broken down.那人车坏了，大家都跑过去帮忙。 Please pass me the book whose （of which）cover is green.请递给我那本绿皮的书。 3）which, that所代替的先行词是事物的名词或代词，在从句中可作主语、宾语等。例如： A prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。（which / that在句中作宾语） The package （which / that）you are carrying is about to come unwrapped. 你拿的包快散了。（which / that在句中作宾语） 18.2 关系副词引导的定语从句关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。 1）关系副词when, where, why的含义相当于\"介词+ which\"结构，因此常常和\"介词+ which\"结构交替使用。例如： There are occasions when （on which）one must yield.任何人都有不得不屈服的时候。 Beijing is the place where（in which）I was born.北京是我的出生地。 Is this the reason why （for which）he refused our offer?这就是他拒绝我们帮助他的理由吗？ 2）that代替关系副词，可以用于表示时间、地点、方式、理由的名词后取代when, where, why和\"介+which\"引导的定语从句，在口语中that常被省略。例如： His father died the year （that / when / in which）he was born.他父亲在他出生那年逝世了。 He is unlikely to find the place （that / where / in which）he lived forty years ago. 他不大可能找到他四十年前居住过的地方。 18.3 判断关系代词与关系副词方法一：用关系代词，还是关系副词完全取决于从句中的谓语动词。及物动词后面无宾语，就必须要求用关系代词；而不及物动词则要求用关系副词。例如： This is the mountain village where I stayed last year. 这是我去年呆过的山村。 I'll never forget the days when I worked together with you.我永远不会忘记与你共事的日子。判断改错：（错）This is the mountain village where I visited last year. （错）I will never forget the days when I spent in the countryside. （对）This is the mountain village （which）I visited last year. （对）I'll never forget the days （which）I spent in the countryside. 习惯上总把表地点或时间的名词与关系副词where, when联系在一起。此两题错在关系词的误用上。方法二：准确判断先行词在定语从句中的成分（主、谓、宾、定、状），也能正确选择出关系代词/关

名词性从句语法填空

25. I know nothing about her but _____________ she is from Canada. 名词性从句语法填空26. It depends on _____________ we have enough time. ll go camping tomorrow depends on the weather. 1. _________ we'27. __________ he doesn't like them is very clear. 2. I remember ____________ this used to be a quiet village. 28. ___________ is a fact that English is accepted as an international language. generally considered unwise to give a child ____________ he or she wants. 3. It's29. Can you tell me ____________I can get to the railway station? 4. ___________ he said at the meeting astonished everybody present. 30. They want to know ____________ they can do to help us. s __________ you left it. 5. Go and get your coat. It'31. These photographs will show you ______________our village looks like. t get seems better than ___________ we have. ' 6. __________ we can32. Can you make sure ____________Alice has put the gold ring? 7. It worried her a bit __________ her hair was turning gray. 33. George knew__________ he could get his best, but he did not have enough time to study. 8. ----Do you remember ____________ he came? 34. _____________ he is a rich man is known to all in the city. ----Yes, I do. He came by air. 35. The reason why he has been such a success is ____________ he never gives up. 9. You may do ______________ you take interest in. 36. Sophia said _____________ Alice would like to marry a tall man. 10. The old gentleman never fails to help ____________ is in need of his help. 37. Difficulty lies in the fact ____________ we have no money. 11. You can depend on ______________ promise he makes. 38. I don't think the question of ____________ they are old or young is important. 12. _____________ we should work out a plan to deal with it is important. 39. __________ the 2016 Olympic Games will be held in the city is not known yet. 13. ____________ discovered America is well known. 40. __________ leaves the room last ought to turn off the light. 14. _____________you really need is a good meal and a good rest. 41.__________ you may do, you must do it well. 15. _____________we shall finish the work before May Day is possible. 42. The fact __________ he was successful proves his ability. 16. Can you tell me ________________that woman is? 43. A man's worth lies not so much in __________ he has as in __________ he is. 17. The fact _____________ she works hard is well known to us all. 44. ____________ may say so, it is a lie. 18. The mountain is no longer ____________ it used to be. 45. The question he asked was _________ the electrical equipment should be stored. 19. Jack said ____________ he is pleased to meet the American friends. 46. ___________ the earth goes round the sun is known to all. 20. Lei Feng was always

语法讲解：名词性从句

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。不可省略的连词： a. 介词后的连词 b. 引导主语从句和同位语从句的连词不可省略。 That she was chosen made us very happy. We heard the news that our team had won. 比较：whether与if 均为"是否"的意思。但在下列情况下，whether 不能被if 取代： a. whether引导主语从句并在句首 b. 引导表语从句 c. whether从句作介词宾语 d. 从句后有"or not" Whether he will come is not clear. 大部分连接词引导的主语从句都可以置于句末，用it充当形式主语。 It is not important who will go. It is still unknown which team will win the match. （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. 用it作形式主语的that-从句有以下四种不同的搭配关系： a. It + be +形容词+ that-从句 It is necessary that…有必要…… It is important that…重要的是…… It is obvious that…很明显…… b. It + be + -ed 分词+ that-从句 It is believed that…人们相信…… It is known to all that…从所周知…… It has been decided that…已决定…… c. It + be +名词+ that-从句 It is common knowledge that………是常识 It is a surprise that…令人惊奇的是…… It is a fact that…事实是……

高一英语定语从句讲解精华版

定语从句一、基本概念：定语：定语从句： Do you know the man who spoke at the meeting just now That is the house where he lived ten years ago. 引导词：关系词关系代词有：that, who, whom, whose, which; 在从句中充当：关系副词有：when, where, why. 在从句充当：先行词：定语从句中引关系词的作用：二、关系词的用法：（一）关系代词的用法： 1． He is the man lives next door. The train has just left is for Shenzhen. 2． The man ________ we have just seen is a famous writer. Where is the book ___________I bought last week （二）关系副词的用法： 1． I still remember the time ________I first became a college student. Do you know the date __________Lincoln was born

(三) 使用关系副词应注意下列几点： 1．这三个关系副词在意义上都相当于一定的介词+which结构： when = on (in, at, during…) + which; where = in (at, on…) + which; why = for which. 如： I was in Beijing on the day when (=on which) he arrived. The office where (=in which) he works is on the third floor. This is the chief reason why (=for which) we did it. 2．当先行词是表时间的time, day等和表地点的place, house等时，一定要注意分析从句的结构，如果缺少主语或宾语时，关系词应该用which或that, 缺少时间状语或地点状语时，才能用when或where，试比较： I’ll never forget the day _________ my hometown was liberated. I’ll never forget the days____________we spent together last summer. His father works in a factory____________radio parts are made. His father works in a factory______________makes radio parts. 三．限制性定语从句与非限制性定语从句 1．限制性定语从句 This is the telegram which he refers to. Is there anything (that) I can do for you 2．非限制性定语从句 This note was left by Tom, who was here a moment ago. As a boy, he was always making things, most of which were electric.

高一英语定语从句讲解精华版完整版

高一英语定语从句讲解精华版 HUA system office room 【HUA16H-TTMS2A-HUAS8Q8-HUAH1688】

（二）关系副词的用法： 1． I still remember the time ________I first became a college student. Do you know the date __________Lincoln was born (三) 使用关系副词应注意下列几点： 1．这三个关系副词在意义上都相当于一定的介词+which结构： when = on (in, at, during…) + which; where = in (at, on…) + which; why = for which. 如： I was in Beijing on the day when (=on which) he arrived. The office where (=in which) he works is on the third floor. This is the chief reason why (=for which) we did it. 2．当先行词是表时间的time, day等和表地点的place, house等时，一定要注意分析从句的结构，如果缺少主语或宾语时，关系词应该用which或that, 缺少时间状语或地点状语时，才能用when或where，试比较： I’ll never forget the day _________ my hometown was liberated. I’ll never forget the days____________we spent together last summer. His father works in a factory____________radio parts are made. His father works in a factory______________makes radio parts.

重点高中英语语法之名词性从句

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3 高中英语语法之名词性从句第一节基本知识与基本概念【什么是名词性从句？】上一章，我们了解的是定语从句，加上我们以前了解的宾语从句和状语从句，好像“名词性从句”这个概念本身就和我们所熟知的概念不是一路货色。没错。请看下表：根据从句在句子中的功能分根据从句的性质分定语从句形容词性从句主语从句名词性从句宾语从句表语从句同位语从句状语从句副词性从句只是，在平时老师讲课时，形容词性从句和副词性从句并没有形成气候罢了。相比之下，名词性从句由于“家丁兴旺”而大行其道。但是，作为学生，我们有必要了解这些基本概念的来龙去脉。【主语从句】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. 【宾语从句】在句子中作宾语的从句就是宾语从句。由于这是同学们接触比较早的一种从句，应该问题不大。所以在近年的高考题中，以宾语从句的知识作为考点的题目较少。但是，宾语从句也有自己的特殊情况，如介词的宾语，形容词的宾语，宾语从句提前和并列的宾语从句等现象。如： We assumed that there would be more than 100 guests. He told the police in detail what he saw and heard. Nobody is sure what humans will look like in a million years. That will depend on whether they can get the chance. Whether I will have the time I am not sure at the moment. The conductor complained that we were not gifted in singing and that he would never come again. 【表语从句】

高一语法专题三 名词性从句