英语主语从句讲解分析

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主语从句的用法和语序

主语从句的用法和语序

主语从句的用法和语序主语从句是指在句子中作主语的从句,它可以代替一个名词作主语,在英语句子中主语从句的用法十分常见。

掌握主语从句的用法和语序对于提高英语写作和口语表达的准确性和流利性具有重要意义。

一、主语从句的引导词以下是常见的主语从句引导词:1. 从属连词 that:当主语从句表达的内容是具体或肯定的时候,常用that引导,that在从句中作形式主语。

例如:That he is late is not surprising.(他迟到了并不奇怪。

)2. 连接代词 what,where,when,why,which,who,how等:这些连接代词用来引导主语从句,分别代表“什么”,“哪里”,“何时”,“为什么”,“哪一个”,“谁”,“怎样”等。

例如:What you said is true.(你所说的是真的。

)3. 连接副词 whether/if:它们都可引导主语从句,用来引导一个陈述句或疑问句。

常用于宾语从句、表语从句和同位语从句中;当在主语从句中是否是由陈述句引导还是由疑问句引导时,通常用whether。

例如:Whether she will come is uncertain.(她是否会来还不确定。

)二、主语从句的语序及注意事项主语从句和宾语从句一样,通常按陈述句语序或一般疑问句语序进行语序转换。

以下是主语从句的一般语序:陈述句语序:主语从句的语序与陈述句的语序相同。

例如:He will come to the party.(他会来参加派对。

)主语从句形式:That he will come to the party is certain.(他来参加派对是肯定的。

)一般疑问句语序:主语从句的语序与一般疑问句的语序相同。

例如:Will he come to the party?(他会来参加派对吗?)主语从句形式:Whether he will come to the party is uncertain.(他是否会来参加派对还不确定。

主语从句语法详解

主语从句语法详解

主语从句语法详解在英语中,主语从句是特殊重要的一个语法学问,主语从句涉及的学问也特殊多,需要我们耐烦去理解,要不然简洁混淆。

下面是我给大家带来的英语语法主语从句_主语从句语法详解,以供大家参考,我们一起来看看吧!▼主语从句的概念与类型主语从句在复合句中作主句的主语,引导主语从句的词有附属连词that, whether以及连接代词who, what,which, whoever, whatever, whichever和连接副词when, where, why, how等.例如:That she was chosen made us very happy.她当选了使我们很高兴.What caused the accident is a completemystery.是什么导致了这次事故还完全是一个谜.Whether she will come or not is still a question.她是否来还是一个问题.Which team will win the match is stillunknown.哪个队会赢得这场竞赛还不知道.Whoever comes to the party will receive apresent.参加聚会的每一个人都将收到一份礼物.When they will start has not been decidedyet.他们何时出发还没确定.留意:上述例句中的主语从句都是放在句首,但有时为了使〔句子〕结构平衡,避开头重脚轻,常用it作形式主语,而把从句放在后面.例如:It is a pity that she has made such amistake.她犯了这样一个错误,真是遗憾.It depends on the climate whether they aregoing shopping today.他们是否今日去购物还得看天气状况.这样就构成了下面一些常用句型:1)It is + adj. / n. +从句It is a pity/shame that...遗憾的是……It is possible that...很可能……It is unlikely that...不行能……2)It +不及物动词+从句It seems/appears that...似乎……It happened that...碰巧……3)It + be +过去分词+从句It is said that...据说……It is known to all that...众所周知……It is reported that...据报道……It is believed that...据信……;人们信任……It is suggested that...有人建议……It must be pointed out that...必需指出……It has been proved that...已证明…….例如:It is believed that at least a score ofbuildings were damaged or destroyed.据信,至少有二十座楼房遭到破坏或彻底毁掉.It is suggested that the meeting should beput off.有人建议会议延期召开.Its reported that three people were killedin the accident and five were hurt badly.据报道,事故中三人丧生,五人重伤.It is known to all that Taiwan is aninseparable part of China.众所周知,台湾是中国不行分割的一部分.▼主语从句的语法例句Its certain that prices will go up.物价确定要上涨的。

(完整版)主语从句详解+例句

(完整版)主语从句详解+例句

(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。

2023年高中英语语法精讲,主语从句详细讲解

2023年高中英语语法精讲,主语从句详细讲解

2023年高中英语语法精讲—主语从句详细讲解主语从句结构及用法在句子中担当主语的从句就叫做主语从句,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。

通常结构为“引导词 + 主语 + 谓语 + 其他成分"。

一. 概念:在句子中担当主语的从句就叫做主语从句,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。

主语从句使用陈述语序,其通常结构为“引导词 + 主语 + 谓语 + 其他成分", 但当连接代词同时充当从句主语时,其结构为“连接代词 + 谓语 + 其他成分”。

二. 引导词:1. that引导eg. That you are coming to London is the best news I have heard this long time.2. whether引导eg. Whether they would come to conference was a question.3. 连接代词引导: who,whom, whose, what, which, whoever, whomever, whichever, whatevereg. Whoever is top from wins the game when two matched players meet.4. 连接副词引导: therefore, besides, otherwise, however, moreover, still, thus, meanwhileeg. How this happended is not clear to anyone.5. 关系代词型what引导三. 形式主语it:1. 对关系代词型what引导的主语从句,可以使用形式主语。

eg. It is clear enough what he meant.2. 如果句子是疑问句,则必须用带形式主语it的结构.eg. Is it true that all of us need to to conference?如果一个句子在复合句中充当一个主语,那么这个句子就是主语从句。

高中语法辨析主语从句与表语从句

高中语法辨析主语从句与表语从句

高中语法辨析主语从句与表语从句在英语语法中,从句是一个重要的概念。

主语从句和表语从句是两种常见的从句类型,在句子中分别作为主语和表语的成分。

本文将对主语从句和表语从句进行辨析,并给出一些实例以帮助读者更好地掌握这两种从句的用法。

一、主语从句主语从句在句子中充当主语的角色,它由连词引导,谓语在从句之后。

常见的引导主语从句的连词有:that, whether, if, who, what, which 等。

下面是一些主语从句的例子:1. Whether he will come to the party is still unknown.是否他会来参加派对还不确定。

2. What she said is completely true.她说的是完全正确的。

3. Who will be responsible for the project remains to be decided.谁将负责这个项目仍有待决定。

从这些例子可以看出,主语从句可以很好地起到句子的主语作用,引导词可以根据具体语境来选择,例如whether用于引导一个陈述性主语从句,what用于引导一个宾语从句等。

二、表语从句表语从句在句子中充当表语的角色,它用来描述或说明主语的身份、特点、状态等。

常见的引导表语从句的连词有:that, whether, if, who, what, which等。

下面是一些表语从句的例子:1. The important thing is that you try your best.重要的是你尽力而为。

2. It doesn't matter who will come with us.谁跟我们一起来并不重要。

3. The question is whether we should continue or not.问题是我们是否应该继续下去。

从这些例子可以看出,表语从句用来对主语进行补充说明,起到强调、解释、评价等作用。

英语学习之主语从句详解

英语学习之主语从句详解

英语语法知识讲解之名词性从句:主语从句主语从句有三类:1.由what 等连接代词引导的主语从句由what 引导的主语从句表示“…….所…….的东西”,在结构上等于一个名词加一个定语从句,what 在主语从句中要充当句子成分。

如 What we need is more time.我们所需要的是更多的时间。

what 在主语从句中作 need 的宾语,此句可改写成定语从句 :The thing which we need is more time.What is dif ficult is to do good all one’s life and never do anything bad.难的是一辈子做好事,不做坏事。

(what 在从句中作主语)由 whatever, whoever 引导的主语从句也属于这一类。

如 Whatever was said here must be kept secret.这里说的话都必须保密。

Whoever fails to see this will make a mistake. 谁看不到这一点就会犯错误。

2.由连词that 引导的主语从句在 that 引导的主语从句中,that 不但当句子部分。

如 That she will come is certain. 她来是肯定的。

That he was chosen made us very happy.他被选中了使我们都很高兴。

在更多情况下,这类主语从句都放在句子的后部,而用 it 作形式主语。

如 It is certain that you will be able to make greater progress.你一定能取得更大的进步。

It’s obvious that he is wrong.很明显,他错了。

It’s a pity that you missed such a fine talk.这样好的报告你没听到真遗憾。

高中英语语法主语从句讲解及练习

高中英语语法主语从句讲解及练习

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.主语从句主要有四类:(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.That you are so indifferent bothers me.That she survived the accident is a miracle.(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。

注意:引导主语从句,不能用if,只能用whether。

例如:Whether we will hold a party in the open air tomorrow depends on the weather.Whether she is coming or not doesn’t matter too much.(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.What I want to know is this.Whatever we do is to serve the people.注:whatever/whoever的功用whatever,whoever在主语从句中不含疑问意义。

它引导主语从句,并在从句中作主语、宾语、表语等。

whatever=anything that;whoever=anyone who。

要注意和whatever,whoever引导的让步状语从句的区别。

英语语法 主语从句5大用法以及句型知识点归纳梳理

英语语法 主语从句5大用法以及句型知识点归纳梳理

英语语法主语从句5大用法以及句型知识点归纳梳理NO.1 用法一、主语从句的引导词主语从句通常由连词that和whether、连接代词或连接副词以及关系代词型what引导。

1. that引导That he is still alive is a wonder.他还活着,真是奇迹。

That we shall be late is certain.我们要晚了,这是确定无疑的。

That he should have ignored the working class was natural.他忽视工人阶级是很自然的。

That she is still alive is a consolation.她还活着是使人感到宽慰的。

That she became an artist may have been due to her father’s influence.她成为画家可能是受她父亲的影响。

That you are coming to London is the best news I have heard this long time.你将来伦敦是好久以来我听到的最好消息。

That she was chosen made a tremendous stir in her village.她被挑选上,在她村子里引起很大轰动。

2. whether引导Whether it will do us harm remains to be seen.是否对我们有害还要看一看。

Whether they would support us was a problem.他们是否会支持我们还是一个问题。

3.连接代词引导Whoever is top from wins the game when two matched players meet.两强相争勇者胜。

Whichever (of you) comes in first will receive a prize.无论(你们)谁先到都可以得奖。

主语从句知识点归纳总结

主语从句知识点归纳总结

主语从句知识点归纳总结一、主语从句的引导词主语从句的引导词有两种情况,一种是以“疑问词”引导的主语从句,如 what, which, who, whom, whose, where, when, why, how;另一种是以“that” 引导的主语从句。

在口语中也可以用 whether 引导主语从句。

这两者的使用没有根本的区别。

二、主语从句的位置主语从句通常位于谓语动词之后,而在连接动词和宾语之间,有时还可用于某些固定句型的主语位置,如“It is+名词/形容词+that/who/whether…”,“There be 句型”等。

在复杂句中,主语从句通常位于主句之前三、主语从句需要注意的语法规则1. 主语从句在句中充当主语成分,主要用来说明主要动作的主体。

如:What he said is true.(他所说的是真的。

)2. 主语从句的谓语动词形式一般要和主句之间的逻辑关系保持一致,即主语从句的谓语动词的数和人称要和主句之间的主谓一致。

如:What he says is true.(他所说的是真的。

)3. 主语从句的谓语动词通常用单数形式,如其中的谓语动词用于表示整体和抽象概念的名词作主语。

表示数量的概念的名词作主语时,谓语动词用复数形式。

如:What she told me was very important.(她告诉我的事情很重要。

)4. 当主语从句中表示的内容是一个具体的个体时,“Who”引导的主语从句谓语动词的单复数形式要和先行词一致。

“Who”引导的主语从句用单数形式表示组织或公司时,谓语动词用单数形式。

表示具体的公司或组织名词作主语时,谓语动词要用单数形式。

如:The girl who is standing over there is my friend.(站在那边的那个女孩儿是我的朋友。

)The team that is winning a prize is from Beijing. (获奖的那个队是北京队。

英语主语从句语法详解

英语主语从句语法详解

如何正确使用英语主语从句一、主语从句的概念和特点主语从句是指在句子中充当主语的从句,即表示句子的主体或说话者的观点、想法、感受等的从句。

主语从句可以直接位于主语的位置,也可以由形式主语it代替,而将从句放在句子末尾。

主语从句要用陈述语序,即主语在前,谓语在后,不用倒装或省略。

主语从句后的谓语动词用第三人称单数,与从句的主语无关。

例如:What he said is true. 他说的是真的。

(主语从句直接位于主语的位置)It is true that he said so. 他说的是真的。

(主语从句由形式主语it代替,放在句子末尾)Whether he will come is not certain. 他是否会来还不确定。

(主语从句要用陈述语序,不用倒装)The fact that he is late worries me. 他迟到的事实让我担心。

(主语从句后的谓语动词用第三人称单数,与从句的主语无关)二、主语从句的引导词和用法主语从句通常由以下几类词引导:从属连词:that, whether等。

that通常只起连接作用,无实际意义,有时可以省略。

whether表示是否,后面可以跟or not。

例如:That he is honest is known to all. 他诚实是众所周知的。

(that可以省略)Whether he will come or not is not certain. 他是否会来还不确定。

(whether表示是否,后面跟or not)连接代词:who, whom, whose, which, what等。

连接代词在从句中充当主语、宾语、定语等成分,有实际意义,不能省略。

例如:Who will go with you is not decided yet. 谁将和你一起去还没有决定。

(who在从句中充当主语)What he needs is more practice. 他需要的是更多的练习。

英语语法讲解之主语从句

英语语法讲解之主语从句

英语主语从句主语从句:在复合句中充当主语成分的句子叫做主语从句。

常规主语从句,即句子在复合句中充当一个主语。

主语从句的时态:不受主句的时态影响和限制。

例如:That he finished writing the composition in such a short time surprised us all.What we need is time.It is certain that he will win the match.(1) 引导主语从句连词有that, whether, who, what, whatever 等(2) 连词位于句首不能省略(3) 主语从句大多数情况下视为第三人称单数主语从句引导词:1、由连词that 引导的主语从句。

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、用连接代词或连接副词if, whether 引导的主语从句。

例如:Which of them escaped from the prison is still a mystery. 他们哪一个是从监狱里逃跑的,仍然是个谜。

When they will come hasn’t been made pubic.他们什么时候来还不知道。

Whether she is coming or not doesn’t matter too much.她来不来都无关紧要。

3、用关系代词引导的主语从句。

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。

英语语法 主语从句5大用法以及句型知识点归纳梳理

英语语法 主语从句5大用法以及句型知识点归纳梳理

英语语法主语从句5大用法以及句型知识点归纳梳理N0.1用法一、主语从句的引导词主语从句通常由连词that和whether.连接代词或连接副词以及关系代词型what引导。

1. that 弓 |导That he is still alive is a wonder.他还活着,真是奇迹。

That we shall be late is certain.我们要晚了,这是确定无疑的。

That he should have ignored the working class was natural. 他忽视工人阶级是很自然的。

That she is still alive is a consolation.她还活着是使人感到宽慰的。

That she became an artist may have been due to her father* s influence.她成为画家可能是受她父亲的影响。

That you are coming to London is the best news I have heard this long time.你将来伦敦是好久以来我听到的最好消4.介词+连接副词/连接代词/what从句:over what he had better do5.介词+连接副词/连接代词+不定式:on how to do this 其他类型的介词短语6.介词+介词短语:from across the street, until after dinner.介词+副词 :from below7.介词+复合结构 :with the light on英语经常用介词来表示词与词之间的关系.时间1)at表示在某一时间点:at 3 o' clock) in表示在某一时间段内的某一或某些点:in 2004in表示在某段时间的结束点:F II see you again in a week.2)during表示某一时间段内自始至终:during the first period3)on表示在某一day/date或其中的某一段:on Monday, on Sunday morningby表示不迟于某个时间:by now2.地点at表示在某处(而非它处):at school1)in表示在内部或某个范围内:in the officeon表示在上面与某平面接触:on the table2)outside表示在某个范围之外:outside world3)under表示在比某个位置低的地方或在某外表之下:under a chairby表示靠近或接近:by the window3.原因1)because of表示因为或以…为理由:because of my father for表示动作或活动的目的、目标或意图:for sale2)out of表示起源、来源或原因:out of duty.方式1) with表示以…方式:with skill) in 表示以某种方式:inFrench, in cash , in this way4.方法1)by 表示方法、手段:by the back road, by bus, by working hard on 表示运送方式:on a train, on foot2)in表示途径或材料:in oils三、介词的作用1 .作定语:The key to the door is missing.门上的钥匙丢了。

(完整)高中英语主语从句全面讲解

(完整)高中英语主语从句全面讲解

(完整)高中英语主语从句全面讲解语法——Noun clauses as the subject主语从句如果一个句子在复合句中充当一个主语, 那么这个句子就是主语从句。

①That he finished writing the composition in such a short time surprised us all.②What we need are good doctors.③Whom we must study for is a question of great importance.1.主语从句的连接词1).连接词: that, whether①.That he will win is certain.②.Whether he’ll join us in the discussion is of great importance.2).连接代词: who, what, which, whom , whose, whoever, whatever, whichever①.It is clear who is afraid of having a change in land ownership.②.What India needs is a law to make land ownership fairer.3).连接副词: when, where, why, how, how many, how much , how long, how soon, how often①When we’ll start tomorrow wil l be told soon.②Where we can buy oxen is something we need to find out.③Why he came here is not known.④How we can protect the grain from damp needs to be discussed.【连接词】1. that——That t he earth moves around the sun is well known.2. whether——Whether he will come or not is not known yet.3. who ——Who will be sent there has not been decided.4. what——What you need is more practice.5. which——Which one is the best is not clear.6. when, where ——Where he has gone is a question.7. why, how——Why there is gravity is hard to understand.How he can earn a living in Britain remains a big problem.8. whoever、whatever、whichever可引导主语从句。

主语从句讲解

主语从句讲解

主语从句讲解《主语从句讲解》篇一:主语从句讲解嘿,同学们,今天咱们来唠唠主语从句这个事儿。

啥是主语从句呢?简单来说,就是在一个句子里,本来该是一个名词或者代词啥的作主语,结果呢,是一个句子来充当主语了,这个句子就叫主语从句。

比如说,“What he said is very important.”这里的“What he said”就是主语从句,你看啊,正常情况下我们可能会说“He said something important.”但是这里把他说的内容当作一个整体,这个整体作为句子的主语,就形成了主语从句。

我记得我刚学主语从句的时候,那叫一个懵啊,就像走进了一个迷宫似的。

我当时就想,这好好的为啥要让一个句子当主语呢?这不是没事找事嘛。

但是后来慢慢就发现它的妙处了。

你想啊,如果我们想要表达一些比较复杂的想法的时候,主语从句就特别有用。

就像“Whether we can succeed depends on our efforts.”这里“Whether we can succeed”这个主语从句就把我们能不能成功这个事儿当成了一个整体,来说明它取决于我们的努力。

这就好比把很多个小零件组装成了一个大的模块,然后把这个大模块放到句子里特定的位置。

再举个例子,“That he is always late makes his teacher angry.”这个句子里,“That he is always late”就是主语从句,它陈述了一个事实,就是他总是迟到这个事儿,这个事儿让他的老师很生气。

这就像一个导火索,这个主语从句就是那个导火索,一旦它发生了(他总是迟到),就会引发后面的结果(老师生气)。

有时候主语从句也会让句子看起来很高级哦。

就像你写作文的时候,你用个主语从句,阅卷老师可能就会眼前一亮。

比如说“Who will be the winner remains a my stery.”这个句子多酷啊,比你直接说“We don't know who will be the winner.”要高大上不少吧。

英语语法:主语从句中需要注意的五点

英语语法:主语从句中需要注意的五点

【导语】主语从句,即在复杂句中充当主语成分的句⼦,例如"That he finished writing the composition in such a short time surprised us all",他在很短的时间内写完作⽂让我们都很惊讶,此复合句主要描述的是某事让我们惊讶,某事就是该复合句的主语,因此“That he finished writing the composition in such a short time”便是该复合句的主语从句。

整理了相关内容,快来看看吧!希望能帮助到你~更多相关讯息请关注!1. 主语从句如果表达的是⼀个事实,⼀般由that引导。

that在从句中⽆词义,不充当句⼦成分,仅起引导作⽤。

如:That she was chosen made us very happy. 她被选上了,我们很⾼兴。

That the earth goes round the sun is known to us all.2. 由whether引导的主语从句,表⽰“是否”之意,注意不能⽤if。

Whether she will come or not is still a question.他能否来还是个问题。

It is doubtful whether he will be able to come.她能否来令⼈怀疑。

3. 由疑问词引导的主语从句,从句中要⽤陈述语序。

如:What should be done has been done.应该做的事情都做了。

What we need is more time.我们所需要的是更多的时间。

When we shall have our sports meet is still a question.= It is still a question when we shall have our sports meet.什么时候开运动会还是个问题。

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exam. 7. The fact that he failed the exam shocked us. 8. Who will go makes no difference. 9. That is why he was late for school.
主语从句
1. Whether he will come or not is a question
引导词: That, whether, if , who, what , where, when , why, how,whoever, whatever,….
1. Whether he will come or not is a question 2. It is obvious that he will win the game. 3. That he will go to London surprised us 4. The fact is that she never liked him. 5. I hope that you can pass the exam. 6. He thought it strange that she passed the
We make it a rule that we should wash our hands before meals.
We think it strange that you should like him.
1.I hate ____ when people talk with their mouths full
4.______ need further discussion whether we will buy the house or not.
A. That B. this C. it D. the thing.
5. I will see to ______ that all the lights are turned off.
A. It
B. this C. / D. them.
表语从句
• The fact is that she never liked him. That is why he was late for school. 表语从句中不用if , 但可以用as if 引导
• 定语从句:形容词性从句
• 在句子t I bought yesterday is lost.
• 名词从句:
• 在句子中起名词的作用.
主语
谓语
宾语
单个名词
单个名词
一组词构成从句(主语从句)
一组词构成从句(宾语从句)
1主语从句;subject(谓语之前) 2宾语从句;object(谓语之后) 3表语从句;predicative(系动词之后) 4同位语从句 appositive(名词之后)
A. What
B. That
C. The fact
D. The matter
宾语从句
1. I hope that you can pass the exam. 2. He thought it strange that she passed the
exam. it 做形式宾语的宾语从句 我们把餐前洗手当成一个规则 我们觉得很奇怪.你竟然喜欢他,
_w__h_a_t在从句中作成分,
高考题选萃
1)____ you don’t like him is none of my
business.
A. What
B. Who
C. That
D. Whether
2)____ he said at the meeting astonished
everybody present.
放句首
it is + Ved + 引导词+从句
It is still a question whether / if he will come
It is unknown which team will win the game.
It is strange that he should like her.
It turned out that……/ it is said/ reported/ believed that
It doesn’t matter whether It must be pointed out that
what 与that 在引导主语从句时的区别
what 引导主语从句时在从句中充当句子成分, 如主语、宾语、表语,而that 则不然。What引导 的主语从句一般不可改为含形式主语的句子。例 如:
A. it B. that C. these D. them
2. I feel ____ strange that he should be so careless.
A. / B. it C. that D. how
3. It worried her a bit ____ her hair was turning grey. A.while B. that C.if D.For
2. That he will go to London surprised us
3. It is obvious that he will win the game.
That 在句首引导的主语从句 他是最好的学生,这是很明显的.
it 做形式主语的主语从句
主语从句 不能将if
it is + adj + 引导词+从句 it is + n + 引导词+从句

• ._W__h_a__t_ I can’t understand is
why he has changed his mind.
• .___T_h__a_t____ the earth is round
is known to us all.
• 归纳:连词_t_h_a__t __在从句中不作成
分,不含有疑问意义,而
1) What you said yesterday is right.
It is right what you said yesterday. ×
2) That she is still alive is certain.
It is certain that she is still alive.
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