主语从句用法小结
主语从句用法小结
勉县第二中学高二（7）班郭恬
指导老师：李艳
请观察下列句子, 注意主语从句的特点。
1. That the earth travels round the sun is a well-known fact.
2. Whether the artist can do it or not is uncertain.
3. Who will act the lead in the play has not been decided yet.
4. Where the young man has gone is not known.
5. When and where the test will be given is not yet decided.
【归纳总结】主语从句必须有引导词；主语从句用陈述句语气。
1. 引导主语从句的词有：
连词: that, whether；
连接代词: who, whose, whom, whoever, what, which等；
连接副词where, when, whenever, wherever, how, why等。
主语从句引导词的选择：
1).连接词: that, whether
(1) That he will win is certain.
(2) It has been reported that sales of beef in China will increase.
(3) Whether we shall raise ducks or geese remains to be decided.
(4) Whether he ’ll join us in the discussion is of great importance.
2) 连接代词: who, whom, whose, what, which, whoever, whatever, whichever 等。
(1) It is clear who is afraid of having a change in land ownership.
(2) Whose bag it is cannot be told.
(3) What India needs is a law to make land ownership fairer.
(4) It is not yet decided which cash crop will be produced next year.
(5) Whatever he said was right.
(6) Whoever go there must get ready by 6 o’clock.
3) 连接副词: when, where, why, how, how many, how much ,how long, how soon, how often等。
(1) When we’ll start tomorrow will be told soon.
(2) Where we can buy oxen is something we need to find out.
(3) How/ When he came here is not known.
(4) How we can protect the grain needs to be discussed.
(5) How many people died from starvation that year will never be known.
(6) How often he’ll go to see his grandmother depends on the time he can spare.
归纳总结：
主语从句引导词的选择主要是根据从句的结构和意义来选择。
1.如果从句的意义和结构完整，则用that。
2.如果从句的意义和结构不完整，则根据从句的意义和结构选择相应的引导词。比较that / what
1. What he wants is a book.
2. That he wants to go there is obvious.
3. What happened is not clear.
4. This is the best TV that is made in China. 定语从句
5. The first museum that he visited in China was the History Museum. 定语从句
that 和what 的选用：that 和 what 都可引导主语从句。但是，what除起连接作用外，还在主语从句中充当成分，可做从句的主语、宾语、或表语。而that 在主语从句中不充当任何成分，只起连接作用。
翻译和分析下列句子：
1. It is well reported that a storm is coming.
2. It is true that the earth moves around the sun.
3. It is a pity that I missed the train.
4. It doesn’t matter whether he will come or not.
5. It seems that it is going to rain.
6. It happened that they didn’t know my address.
归纳：为了使句子保持平衡，常用it来代替主语从句，而把主语从句放到后面，尤其是连词that引导的主语从句常用于此种句式中。
常用句型如下：
It+ be +名词+ that 从句
It+ be + 形容词+ that从句
It+ be + 动词的过去分词+ that从句
It+ be + 不及物动词+ that从句
1. It’s likely/possible/important/necessary/clear that…
很可能/重要的是… /必要的是……/很清楚…
2. It’s known/reported/ thought/said that…据说/据报道…
3. It seems/appears/happens that…显然、明显、碰巧.…
4. It’s been announced/declared that…已经通知/宣布…
5. It’s no wonder that…并不奇怪/无疑…
6. It’s a pity/a fact /a common knowledge (众所周知） / a common saying （俗话说）that…
主语从句常见错误：
下列各句均有一处错误，请改正并分析原因。
1. Light travels faster than sound is common knowledge.
改：在is后加that。that虽无词义但引导主语从句位于句首时不能省略。
2. If sh e’s coming or not doesn’t matter much.
改：将If变为Whether。if, whether都可表示“是否”, 但if不能引导位于主句之前的主语从句，它可以引导位于主句之后带有形式主语it的主语从句。
3. That the professor said is of great importance.
改：将That改为What。that引导主语从句时无词义，只起一个连接的作用。What the professor said表示“教授所说的”，said后面还需要一个宾语，就只能用what。4. Where will the trees be planted has not been decided.
改：将will置于trees之后。主语从句要用陈述句语序。
5. No matter who breaks the rule will be punished.
改：将No matter who变为whoever。引导让步状语从句时二者可互换，但引导名词性从句时只能用whoever。
6. When and where the meeting will be held still remain a question.改：将remain变为remains。主语从句表示单一概念时，谓语要用单数形式。
定语从句特殊用法
定语从句中的特殊用法 定语从句是起定语作用的,修饰,说明名词,代词或句子内容的从句,被定语从句修饰的词叫做先行词。引导定语从句，并在句中担任成分的词叫做关系代词或关系副词。定语从句是高考常考内容之一，使用时要尤其注意以下十种特殊用法。 一、只用that不用which的情况 1、当先行词是all, little, few, much, something,everything, anything, nothing, none等不定代词时。如：Everything that happened then was like a nightmare.当时发生的一切就像是一场噩梦。 I will tell him all that you told me at the ball.我要把你在舞会上跟我说的话全都告诉他。 2、当先行词被only, any, few, little, no, all, just, very（恰好的,表示强调）等词修饰时。例如：The only thing that we could do was to wait.我们能做的只是等待。 That’sthe very thing that we can do.那正是我们能做的事。 3、当先行词是序数词、形容词最高级或先行词被序数词或形容词最高级修饰时。例如：The first place that we visited was the Great Wall.我们参观的第一个地方是长城。 This is the best novel that I have ever read.这是我看过的最好的小说。 4、被修饰词为数词时。例如： Yesterday I caught two fishes and put them in a basin of water. Now you can see the two that are still alive.昨天我捉到了两条鱼，把它们放在一盆水里。你可以看到那两条鱼还活着呢。 5、主句是There be结构，修饰其主语的定语从句宜用that作关系代词修饰物。例句：There’sstill a room that is free.还有一个空房间。
(完整版)英语中宾语从句用法及例句总结(完整)
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名词性从句用法详解
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定语从句用法详解
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This is the pen which you want. 注意： (1)whom, which用作介词宾语时，介词可放在whom、which之前，也可放在从句原来的位置上；但在含有介词的动词固定词组中，介词只能放在原来的位置上。如：He is the very person whom we must take good care of. (2)引导非限制性定语从句时，必须用关系代词which，不用that,如：I have lost my bag, which I like very much. (3)关系代词在句中作主语时，从句的谓语动词的人称和数必须和先行词保持一致。 5.由that引导的定语从句中，that可以指人或物，在从句中作主语或谓语动词的宾语，但不能放在介词后面作介词宾语，如： The book that I bought yesterday was written by Lu Xun. 注意在下面几种情况下必须用that引导定语从句。 (1)先行词是不定代词all, few, little, much, something, nothing, anything等，如： All that we have to do is to practise English. (2)先行词被序数词或形容词最高级所修饰，如 The first letter that I got from him will be kept. (3)先行词被all, any, every, each, few, little, no, some等修饰，如 I've eaten up all the food that you gave me. 实用文档
定语从句及其引导词用法
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名词性从句之主语从句讲解
名词性从句---主语从句 1. What is needed for the space trip is careful preparation. 2. Her wish is that she can lose weight soon. 3. I think that woman can reach every high achievements in many fields of science. 4. We were very excited at the news that our team had won. 引导名词性从句的关联词可分为三类： 一．从属连词：that（无任何词意） whether, if（均表示“是否”表明从句内容的不确定性） as if ,as though（均表示“好像”，“似乎”）以上在从句中均不充当任何成分二．连接代词：what, who, whom, which，whose, whatever, whoever, whichever(作主宾表定) 三．连接副词：when, where, how, why(作状语) I.主语从句 1.定义：在句子中担当主语的是一个从句,这个从句就叫做主语从句。 2.位置：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由形式主语it 代替，而本身放在句子末尾。 3.引导主语从句的关联词： (1)从属连词that,whether,if (在从句中不充当成分，仅起连接作用) That Jack won the match yesterday surprised us. Whether he’ll come here isn’t clear. (此处不能用if) (2)连接代词who, whom, whose, what, which, whoever, whatever, whichever(充当主宾表定) What she did is not known. Whoever comes is welcome. (3)连接副词where,when,how,why(在从句中充当状语) How this happened is not clear to anyone. When the meeting will be held is decided by our manager. 4.有时为了避免头重脚轻，常用it作形式主语，而把真正主语放在句子末尾。 How the book will sell depends on its author. = It depends on its author how the book will sell. That he is the best student in the class is obvious. = It is obvious that he is the best student in the class. 用it作形式主语的几种常见结构： (1) It is ＋名词＋从句 It is a fact that … 事实是… It is an honor that …非常荣幸 It is common knowledge that …是常识 (2) It is ＋形容词＋从句 It is natural that… 很自然It is strange that… 奇怪的是… (3) It is ＋不及物动词＋从句 It seems that… 似乎… It happened that… 碰巧… It ap pears that… 似乎… (4) It ＋过去分词＋从句
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英语定语从句用法总结 定语从句，一个简单句跟在一名词或代词后关系代词的用法：1. 作主语用who, which和that, 如： He is the man who/that lives next door. The train which/that has just left is for Shenzhen. 2. 作宾语用whom, who, which, that, 如： The man we have just seen is a famous writer. Where is the book I bought last week? 注：在非正式文体中，用于指人的关系代词who whom, that 通常可以省略，但在正式文体中通常用whom, 不可省略;用于指物的关系代词which和that 在非正式文体中也通常省略，但在正式文体中一般不省略。 3. 作定语用whose, 如： It was a meeting whose importance I did not realize at that time. 注：“whose +名词中心词”这一结构在定语从句中既能作主语 He’s written a book the name of which I’ve completely forgotten. 4. 作表语只用that ，它既可以指人，也可以指物，但时常省略。如： He is no longer the man that he used to be.
This is no longer the dirty place we met yesterday. 3. why指原因或理由，它的先行词只有reason。如： That is the reason why he is leaving so soon. 注：why时常也可以省略。如： That is the real reason he did it. + which; where = in he arrived. The office where he works is on the third floor. This is the chief reason why 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 when my hometown was liberated. I’ll never forget the days which/that we spent together last summer. His father works in a factory where radio parts are made. His father works in a factory which/that makes radio parts. 3. when和where既可以引导限制性定语从句，也可以引导 非限制性定语从句。而why 只
英语六大从句用法总结
英语中六大从句用法总结 从句是指用于复合句中担当某个句子成分的主谓结构。虽说从句自身的句子结构是完整的，但是它不能视为独立的句子，因为它离开了主语就无法独立、完整地表达意思。按其所能表达的意义而言,它相当于一个词或是一个词组. 按从句的句子功能划分（也就是按从句在句子中所担任的成分来划分），从句可分为：主语从句、宾语从句、表语从句、同位语从句、定语从句和状语从句。 1.主语从句 1）主语从句可直接位于主语的位置，如果从句较长，谓语又较短，可用it作形式主语，而将从句放在句末。常见的句型有： *It is a fact\a pity\a question\good news that... *It seems\appears\happened\has turned out that... *It is clear\important\likely\possible that... *It is said\reported\estimated\has been proved that... It is said that comic books create a connection between people of the same generation. It seems that the performance is very useful. 2)what引导的主语从句表示“...的东西时”，一般不用it作形式主语。 What we lack is experience. 3)what,who,when,why,whether等词含有各自的疑问意义，但它们引导的主语从句，都用陈述语序。 How the plan is to be carried out should be discussed again. I did know why I felt like crying. 2.宾语从句 1）宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。in that(因为),except that(除了),but that(只是）已构成固定搭配，其他介词后一般不接that引导的宾语从句。 *I promised that I would change the situation. *All this is different from what American young people would say about friendship. *He is certain that watching so much television is not good for children. *This article is well-written except that it is a bit too long. 2)宾语从句后如有宾补，要用形式宾语it来代替，而把宾语从句移至宾补之后。 He has made it clear that he would not change his mind. 3)在think,believe,suppose,expect等动词后的宾语从句中，如果谓语是否定的，一般将否定词移至主句谓语上，宾语从句则变成肯定形式。 He didn't think that the money was well spent. 3.表语从句 表语从句出现在结构为“主语+系动词+表语从句”的句子中。表语从句除可用that,what,when,why,whether,how等引导外，还可由because,as if(though)等引导。that常可省略。如主句主语为reason,只能用that引导表语从句，不可用because.
高考英语主语从句讲解
高考英语主语从句 定义：用作主语的从句叫主语从句，它是名词性从句之一。主语从句的时态：不受主句的时态影响和限制。引导主语从句的连接词有： 从属连词: that, whether； 连接代词: who (whoever), whom, whose, what (whatever)和which (whichever)； 连接副词: when, where, how和why。 连接词： 1. 从属连词：that，whether 1）that引导主语从句只起引导作用，在主语从句中不充当任何成分，that本身无实际意义，但不能省略。2）whether意为“是否”，放在句首句末皆可。由whether引导的名词从句做主语，表语，介词宾语，同位语时！不可用if代替。 a.That price will go up is certain. b. Whether they would support us was a problem. 他们是否会支持我们还是一个问题。 2. 连接代词who ，what ，which, whatever, whichever, whoever (Who, whom, which, what可以和ever构成合成词，和what一样引导从句，ever起到强调作用。此类主语从句不能用形式主语it引导，它们在句子中担任成分，不能省略，语序为陈述语序，既有疑问含义,又起连接作用,同时在从句中充当各种成分。 Which side will win is not clear. Whoever breaks the law will be punished. Whatever he did is right. Who killed the scientist remains a question. 1）What和that引导的主语从句的区别：that 只起引导作用，不充当任何成分，没有意思。What 不仅起引导作用，还要充当一定成分(主语、宾语或表语)，意思是：“什么”。 What we need is money. That he will come is certain. 2）whatever / whoever的用法（~ever=no matter ~---让步状语从句中） whatever / whoever可以引导主语从句,并在句中作主语、宾语、表语等,不含疑问意义。whatever相当于anything that; whoever 相当于anyone who。例如: Whoever(Anyone who) wants to enter into this school must take the exam. Whatever(Anything that) she did was right. 3. 连接副词when，where，how，why等。既有疑问含义,又起连接作用,同时在从句中充当各种成分。How this happened is not clear to anyone. When he will be back depends on the weather. When we’ll start tomorrow will be told soon. Where the test will be given is not yet decided. 4. 主语从句后置：为了避免主语冗长,句子头重脚轻,经常用it 作形式主语,主语从句放在后面作真正的主语. 例: That we shall be late is certain. -- It’s certain that we shall be late. 1）用it 作形式主语的结构 A. It + be + 形容词+ that 从句 (obvious, true, surprising, good, wonderful, funny, possible, likely, certain, probable, etc.) 如：It is certain that she will do well in her exam. B. It + be + 名词词组+ that 从句(an honour, a fact, a pity, etc）如： It is a pity/shame that... 遗憾的是…… It is a surprise that…令人惊奇的是… It is a fact that… …是事实It is common knowledge that… …是常识 It’s a pity that we can’t go. C. It + be + 过去分词+ that 从句(said, reported, thought, expected, decided, announced, etc。）如：It is said that Mr. Green has arrived in Beijing. D. It + 不及物动词或短语+ that 从句( seem，happen, doesn’t matter ,turn out）。如： It happened that I was out that day. It doesn’t matter whether she will come or not. 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
定语从句用法讲解
高中定语从句详解与练习 （一）定义及相关术语 1．定语从句：修饰某一名词或代词的从句叫定语从句。定语从句一般紧跟在它所修饰的先行词之后。 2．先行词：被定语从句修饰的词叫先行词。 3．关系词：引导定语从句的词叫关系词。 关系词有关系代词和关系副词。关系代词有that, which, who, whom, whose, as等；关系副词有when, where, why等。 关系词通常有下列三个作用：A、引导定语从句；B、代替先行词；C、在定语从句中担当一个成分。例如： The man who is shaking hands with my father is a policeman. 该句中， who is shaking hands with my father 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）关系代词引导的定语从句 1．who 指人，在定语从句中作主语。 The boys who are playing football are from Class One. 正在踢足球的男孩是一班的。Those who want to go to the museum must be at the school gate at 7 tomorrow morning. 想 去博物馆的人必须在明晨7点到大门口集合。 Yesterday I helped an old man who had lost his way. 昨天我帮助了一位迷路的老人。That is the teacher who teaches us physics. 那就是教我们物理的老师。2．whom 指人，在定语从句中做宾语，常可省略。 Mr Liu is the person ( whom ) you talked about on the bus. 刘先生就是你们在公共汽车 上谈论的那个人。 Li Ming is just the boy ( whom ) I want to see. 李明正是我想要见的男孩。 The professor ( whom ) you are waiting for has come. 你正在等的教授已经来了。 The girl ( whom ) the teacher often praises is our monitor. 老师经常表扬的那个女孩是我 们的班长。 注意：关系代词whom 在口语或非正式文体中常可用who 来代替，也可省略。 The man ( whom / who )you met just now is my old friend. 3．Which 指物，在定语从句中做主语或宾语，做宾语时常可省略。 Football is a game which is liked by most boys. 足球是大多数男孩所喜欢的运动。 The factory which makes computers is far away from here. 制造计算机的那家公司离这儿很远。 He likes to read books which are written by foreign writers. 他喜欢外国作家写的书。 The house which is by the lake looks nice. 湖边的那幢房子看上去很漂亮。 This is the pen ( which ) he bought yesterday. 这是他昨天买的钢笔。 The film ( which ) they went to see last night was not interesting at all. 他们昨晚看的电影一点意思也没有。 4．That 指人时，相当于who 或whom；指物时，相当于which.。在定语从句中作主语或宾语，作宾语时常可省略。
宾语从句知识总结
知识总结： 宾语从句的重难点主要有三点：引导词、语序和时态。 连词的选择 that和what 【高考示例】 1. We should respect food and think about the people who don’t have ___________we have here and treat food nicely.（2010福建卷） A. that B. which C. what D. whether 2. As a new graduate, he doesn’t know_____it takes to start a business here.（2010天津卷) A. how B. what C. When D. which 3. Before the sales start, I make a list of ______ my kids will need for the coming season. （2010山东卷） A. why B. what C. how D. which 4. I want to be liked and loved for ______I am inside. （2010北京卷） A. who B. where C. what D. how
考点解析： 以上四题均考查what引导的宾语从句，连接代词what在宾语从句中既起连接作用，又在从句中充当成分，即主语，宾语，表语或定语；而连接词that只起连接作用，在宾语从句中不充当任何成分，常可省略。所以我们在面对这类考题时： 首先，应判断从句部分是否缺主语，宾语，表语或定语。如果缺这些成分的话，首先考虑who, whom, what, which和whose等，但要区别后三者做定语时的用法区别。which 引导名词性从句时多表示疑问且要有一个明确的范围。 第二，如果题干中不需要填入代词，需要结合语境考虑是否需要填入疑问副词when, why, where, how, whether, if等。宾语从句表示不肯定或疑问，如“是否”、“是不是”、“能否”等，就用连词if/whether来引导。 第三，如果根据语境，宾语从句是个陈述句，不需要填入疑问副词，那就用连词that 引导。 例4的难点在于我想别人喜欢我是因为“我”的内在，也就是“我”inside的品质。只有what可以指代是什么。很多同学误选A，错误地用中文语言习惯去做英文题。whether和if 【高考示例】 … but it didn't matter that I would win or not．（NMET短文改错） 此题很显然是考查 whether和if引导宾语从句的差别。答案是将that改为whether。在使用whether和if引导宾语从句时，应注意以下几种情况：
定语从句用法总结
定语从句用法总结 一.定义：定语由一个句子来充当，那么这个句子就叫做定语从句。 eg: The old town has narrow streets and small houses that are built close to each other.其中划线部分为定语从句。 二.分类：分为限制性定语从句和非限制性定语从句，还有间隔性定语从句。 eg: is the school (that/which)we visited last year. （限制性定语从句） weather turned out to be very good,which was more than we could expect. （非限制性定语从句） days are gone when physical strength was all you needed to make a living.（间隔性定语从句） ] 注：定语从句和非限制性定语从句的区别 限制性定语从句无逗号隔开、不可缺少、起修饰限制作用；而非限制性定语从句有逗号隔开、可有可无、起补充说明作用。 三.构成：定语从句有先行词、引导词和从句构成。 先行词是定语从句所修饰限制的名词或代词。 引导词是用来引导定语从句的关系代词或关系副词。 eg: The old town has narrow streets and small houses that are built close to each other. 此句中先行词为：narrow streets and small houses, ( 引导词为：that，定语从句为：that are built close to each other 四．基本原则 定语从句中不能出现与先行词在意义上相一致的词 is the book that I like it best .(it 与book指同一物，所以要去掉。) 五．定语从句中常见考点：
(完整word版)英语定语从句用法详解
英语定语从句用法详解 在复合句中，修饰名词或代词的从句叫定语从句，被修饰的名词或代词叫先行词，引导定语从句的有关系代词who, whom, whose, which, that等和关系副词where, when, why等，关系代词和关系副词在定语从句中担任句子成份。 1.由who引导的定语从句中，who用作主语，如：This is the boy who often helps me. 2.由whom引导的定语从句中，whom用作宾语，如：The man whom you are waiting for has gone home. 3.由whose引导的定语从句中，whose用作定语，如：Do you know the girl whose skirt is white? 4.由which引导的定语从句中，which用作主语或谓语动词的宾语或介词的宾语，如： The room in which there is a machine is a work shop. The river which is in front of my house is very clean. This is the pen which you want. 注意： (1)whom, which用作介词宾语时，介词可放在whom、which之前，也可放在从句原来的位置上；但在含有介词的动词固定词组中，介词只能放在原来的位置上。如：He is the very person whom we must take good care of. (2)引导非限制性定语从句时，必须用关系代词which，不用that,如：I have lost my bag, which I like very much. (3)关系代词在句中作主语时，从句的谓语动词的人称和数必须和先行词保持一致。 5.由that引导的定语从句中，that可以指人或物，在从句中作主语或谓语动词的宾语，但不能放在介词后面作介词宾语，如： The book that I bought yesterday was written by Lu Xun. 注意在下面几种情况下必须用that引导定语从句。 (1)先行词是不定代词all, few, little, much, something, nothing, anything等，如： All that we have to do is to practise English. (2)先行词被序数词或形容词最高级所修饰，如 The first letter that I got from him will be kept. (3)先行词被all, any, every, each, few, little, no, some等修饰，如 I've eaten up all the food that you gave me. (4)先行词被the only, the very, the same, the last修饰时如 He is the only person that I want to talk with. (5)先行词既有人又有物时，如: They talked about persons and things that they met. (6)当句中已有who时，为避免重复，如：Who is the man that is giving us the class? 6.由when, where, why引导的定语从句，如: I don't know the reason why he was late. This is the place where we have lived for 5 years. I'll never forget the day when I met Mr Li for the first time. 注意：先行词是表示地点时，如果从句的谓语动词是及物的，就用that(which)，如果从句的谓语动词是不及物的，就用where引导。This is the house Which /that he has lived in for 15 years.(Where he has lived for 15 year.)