What和that在名词性从句中的用法区别
名词性从句中常用连接词的区别
名词性从句中常用连接词的区别作者：陈焕锁来源：《新高考·高一英语》2012年第03期名词性从句的功能相当于名词词组。
在句中作主语、宾语、表语和同位语。
因此，主语从句、宾语从句、表语从句和同位语从句通称为名词性从句。
名词性从句的连接词通常分为三类：第一类连接词在名词性从句中，不充当任何成分，只起连接作用。
这类连接词有：that, if, whether, as if, as though等。
例如：When a pencil is partly in a glass of water, it looks as if it were broken. 当铅笔一部分放进水里时，看起来好像断了似的。
第二类连接词在名词性从句中，作主语、宾语、表语、宾语补足语、定语。
这类连接词有：what, whatever, who, whoever, whom, whomever, which, whichever, whose等。
这类连接词称之为连接代词。
例如：Here are the chairs. Tell me which are worth buying. 就是这些椅子。
告诉我买哪几把好。
第三类连接词在名词性从句中，作状语。
这类连接词有：when, whenever, where, wherever, how, however, why等。
这类连接词称之为连接副词。
例如：The students asked the teacher when the examination was going to be held. 学生们问老师什么时候举行考试。
【名词性从句中常用连接词的区别】一、 what与that 的区别1. what引导名词性从句时，在从句中通常作主语或宾语，有时作表语或宾语补足语。
表示“……的东西、……的事情、……的话、……的时间、……的地方、……的人、所谓的……、……样子等”。
而that引导名词性从句时，在从句中不充当任何成分，也没有任何含义，只起连接作用。
名词性从句中that和what的用法
名词性从句中that和what的用法作者：晏飞来源：《求学·新高考版》2021年第07期在高考英语中，名词性从句中that和what的用法是学生容易混淆的一个问题。
高考英语语法填空题中，连接词的用法是必考的内容，其中连接词that和what的辨析是高考命题人喜欢利用的考点。
理解这个语法点，能够让小知识发挥大作用，使学生在高考英语备考中事半功倍。
如何才能理解that和what的用法？观察下面这几个句子，让我们从中归纳出一个普遍的规律。
1.What he wants is a book. 我想要的是一本书。
2.That he wants to go there is obvious. 很明显他想去那里。
3.The result is that we won the game.结果是我们赢得了比赛。
4.This is what we want to know.這就是我们想知道的内容。
5.Is what he told us true？他告诉我们的是真的吗？6.We should pay attention to what the teacher is saying.我们应该关注老师正在讲解的内容。
7.I have no doubt that he will come. 我不怀疑他回来。
8.I have no idea what he did that afternoon.我不知道他下午做了什么事。
9.We live in what is called China.我们住在一个被称为中国的地方。
10.What you see is what you get.你所看到的就是你所得到的。
分析以上十个句子，我们不难发现一个规律：从句中缺少句子成分用what，从句中句子结构完整用that。
That只是起到单纯的连接主句和从句的作用，然而what除了连接主句和从句外，还在从句中充当句子成分。
一些英语基础知识薄弱的同学看到这里可能仍然是一头雾水。
what和that的用法区别
the＋名词＋that”或者all that, 即好像是既包括了先行词也包含了
关系代词，因此，有学者称之为关系代词型what。如：
seemed to be a long time, he came up again.
1 _T_h_a_t_ she lacks experience is obvious. 2 The police learned _t_h_a_t _ he wasn’t there at that time. 3 He realized _th_a_t__ she too was tired. 4 My idea is _t_h_a_t you shouldn’t have left the country. 5 Bob has the mistaken idea _th_a_t_tomorrow is a holiday. 6 It was quite plain _t_h_a_t_ he didn’t want to come. 7 It is natural _t_h_a_t_ they should have different views.
that—从属连词
主语从句 宾语从句
引导_名_词__性_从__句___， 表语从句
_不_充__当__句子成分， 同位语从句
_没_有____字面意义。
引导宾语从句的 that可以省略
1 _W__h_a_the had hoped at last came true. 2 China is no longer _w_h_a_t_ it used to be. 3 I’m sorry for _w_h_a_t_ I said. 4 That’s _w_h_a_t_ I want to know. 5 It was _w_h_a_t_ he meant rather than w__h_a_t he said. 6 There’s something in _w_h_a_t_ he says. 7 200 years ago, they came to _w__h_a_t we call “America” now.
高一英语名词性从句 what 和 that 区别单选题30题
高一英语名词性从句what 和that 区别单选题30题1._____ he said made me angry.A.WhatB.ThatC.WhichD.Who答案：A。
本题考查主语从句。
what 在主语从句中充当宾语，“他说的话”让我生气。
that 在主语从句中不充当成分，本句缺少宾语，所以选A。
2._____ he came late is a pity.A.WhatB.ThatC.WhichD.Who答案：B。
本题考查主语从句。
that 在主语从句中不充当成分，只起连接作用。
“他来晚了”这件事是个遗憾，不缺成分，所以选B。
3._____ he needs is a book.A.WhatB.ThatC.WhichD.Who答案：A。
本题考查主语从句。
what 在主语从句中充当宾语，“他需要的东西”是一本书，缺宾语，所以选A。
4._____ he is a good student is known to us all.A.WhatB.ThatC.WhichD.Who答案：B。
本题考查主语从句。
that 在主语从句中不充当成分，只起连接作用。
“他是个好学生”这件事我们都知道，不缺成分，所以选B。
5._____ he told me is a secret.A.WhatB.ThatC.WhichD.Who答案：A。
本题考查主语从句。
what 在主语从句中充当宾语，“他告诉我的事情”是个秘密，缺宾语，所以选A。
6. I don't know ______ he will come or not.A.whatB.thatC.whetherD.if答案：C。
本题考查宾语从句连接词。
“whether...or not”是固定搭配，表示“是否”，而“what”和“that”在这里不合适，“if”不能与“or not”连用。
7. She told me ______ she had seen the movie before.A.thatB.whatC.ifD.whether答案：A。
英语语法：四组名词性从句引导词用法区别
【导语】欢迎阅读为⼤家精⼼整理的英语语法：四组名词性从句引导词⽤法区别！欢迎阅读学习！更多相关讯息请关注！ 四组名词性从句引导词⽤法区别 1. what 与that的⽤法区别 两者均可引导主语、表语、宾语从句，区别是what可在从句中⽤作主语、宾语或表语，意为“什么”或“所…的”，⽽that仅起连接作⽤，本⾝没有实际意义，在从句中也不充当任何句⼦成分(引导宾语从句时通常可以省略)： He doesn’t know what she likes. 他不知道她喜欢什么。
What you say is quite right. 你所说的相当正确。
I believe (that) he will come to see us. 我相信他会来看我们的。
It’s a pity (that) he didn’t finish college. 真遗憾他⼤学没毕业。
另外，that 可引导同位语从句，但 what 通常不⽤于引导同位语从句： I had no idea that you were here. 我不知道你在这⼉。
2. whether与 if的⽤法区别 两者的⽤法异同注意以下⼏点： (1) 两者均可引导宾语从句，表⽰“是否”，常可互换： He asked if [whether] we wanted a drink. 他问我们是否想喝⼀杯。
He didn’t tell me if [whether] he would come. 他没有告诉我他是否会来。
【注】若是引导条件状语从句，则只能⽤ if(意为“如果”)。
(2) 当引导⼀个否定的宾语从句时，通常⽤ if ⽽不⽤ whether： I don’t care if it doesn’t rain. 我不在乎天是否下⾬。
【注】在个别词语(如 wonder, not sure 等)后的从句否定式有时也可⽤ whether 引导： I wonder if [whether] he isn’t mistaken. 我想知道他是否错了。
复合句式重难点-what和that的用法区别
复合句式重难点-what和that的用法区别许多同学在学习复合句和特殊句式时，都会为“that”和“what”的选择而头疼，感觉这两个连接性词语辨别起来“有点乱”。
你也不妨先做一做下面几个题，看看你能否把他们分清：1.A modern city has been set up in ____ was a wasteland ten years ago.A. whatB. whichC. thatD. where2.Because of my poor memory, all ____ you told me has been forgotten.A. thatB. whichC. whatD. as3.With his work completed, the businessman stepped back to his seat, feeling pleased ____ he was a man of action.A. whichB. thatC. whatD. whether4.It is what you do rather than what you say _______ matters.A. thatB. whatC. whichD. this5.His plan was such a good one _________ we all agreed to accept it.A. soB. andC. thatD. as上面5个题中的前四个题，在选项中都同时出现了what和that，如何选择呢？第1题为答案A。
考查名词从句连接代词what的运用。
“十年前是一片荒地的地方建起了一座现代化的城市”。
作介词in的宾语不能用that，因为名词从句中that 不做任何成分；连接代词what引导一个宾语从句，“是一个什么样的地方”；第2题为答案A。
考查定词从句关系代词that的运用，“因为记忆不好，你告诉我的，我都给忘了”。
选择性必修二Unit2重点语法：名词性从句总复习
选择性必修二Unit2重点语法：名词性从句总复习复习名词性从句【基础知识讲解】（1）高频考点：what，that用法区别;各连接词的用法（2）需掌握知识点1.名词性从句的定义，分类;2.连接词的辨别，用法;3.从句语序;4.时态（3）做题思路1. 判断是否为名词性从句2. 看从句缺不缺主干成分缺，用连接代词；不缺，用连接副词或连接词；翻译看意思（4）易错点1.强调句和主语从句的区别: 强调句去掉it is/was…… that/who句子仍完整，主从去掉后不完整2.定语从句和同位语从句区别需掌握知识点:1.定义：主、宾、表、同位语从句2.名词性从句和其他从句的区别：从句在主句中做主语，宾语，表语，同位语，分别对应主语从句，宾语从句，表语从句，同位语从句。
3.连接词1). 从属连词：that, whether/if that：无词义，在宾从中可省（在从句中不做成分）区别：whether/if：有词义：是否例句I think (that) you are right.I don’t know whether (≠ if ) or not I should take his advice .They asked whether (= if ) we need any help.What he wants to tell us is not clear.Who will win the match is still unknown.以及：whoever, whomever, whichever, whateverwhere：哪里3). 连接副词：why：为什么（有词义，在从句how：怎么样中作状语，具体选when：什么时候择按意思）例句It is known to us how he became a writer.Where the English evening will be held has not yet been announced.以及：wherever, however, whenever注意事项：1. what，that区分：what在从句中可做主语，宾语，表语，有两个意思：东西，什么；而that在从句中不做任何成分，也没有任何意思。
名词性从句的引导词与句型总结
名词性从句的引导词与句型总结在英语语法中，名词性从句是一种功能特殊的从句，它可以在句子中充当名词的作用。
名词性从句通常由引导词引领，不同的引导词在句子结构和功能上有所区别。
本文将总结常用的名词性从句引导词，并对其相应的句型进行细致的阐述。
一、引导词：that1. 作为从句主语名词性从句可以作为主语出现在句子中，that引导的名词性从句在这种情况下常常可以省略。
例句：That he is innocent is beyond doubt.（他的清白是毋庸置疑的。
）2. 作为从句表语名词性从句可以作为表语出现在句子中，强调主语的真实性或状态。
当作表语时，that引导的名词性从句不可省略。
例句：The fact that he is a doctor surprises me.（他是医生这个事实让我感到惊讶。
）3. 作为从句宾语名词性从句可以作为宾语出现在句子中，that引导的名词性从句在这种情况下常常可以省略。
例句：I believe (that) he will come.（我相信他会来。
）二、引导词：if/whether1. 作为宾语从句引导词if/whether引导的从句通常用于表示“是否”的特定情况，常常用在动词之后或介词之后。
例句：He asked me if/whether I had finished my homework.（他问我是否完成了作业。
）2. 作为主语从句引导词if/whether引导的从句可以在句子中充当主语，表达一种条件和假设的关系，常常用于句首。
例句：Whether the plan will succeed is still uncertain.（计划是否成功尚不确定。
）三、引导词：who/whom/which1. 作为宾语从句引导词who/whom/which引导的从句作为宾语出现在句子中，分别表示人、人和物、物三种情况。
例句：He told me who he saw at the party.（他告诉我他在派对上看到了谁。
高二英语名词性从句中what与that区别练习题40题
高二英语名词性从句中what与that区别练习题40题1.She told me that she had a beautiful dress. But I didn't know what color it was.A.thatB.what答案：B。
what 在名词性从句中起连接作用且在从句中充当成分，这里what color it was 表示“它是什么颜色”，what 在从句中作定语修饰color。
而that 在名词性从句中只起连接作用，不充当任何成分，在这里不合适。
2.I know that he is a good student. But I don't know what kind of person he is.A.thatB.what答案：B。
what kind of person he is 表示“他是什么样的人”，what 在从句中作定语修饰person。
that 在名词性从句中只起连接作用，不充当任何成分，在此处不合适。
3.He said that he would come. But I didn't know what time he would arrive.A.thatB.what答案：B。
what time he would arrive 表示“他什么时候会到”，what 在从句中作定语修饰time。
that 在名词性从句中只起连接作用，不充当任何成分，这里不合适。
4.I heard that there was a party. But I didn't know what place it was held at.A.thatB.what答案：B。
what place it was held at 表示“在什么地方举行”，what 在从句中作定语修饰place。
that 在名词性从句中只起连接作用，不充当任何成分，不适合此处。
that what引导名词性从句区别
引导名词性从句本身无意义只起连接作用在从句中不做成分但不能省略宾语从句除外
7 The reason is that his bike has broken down.
8 He said (that) he would come on time.
9 The fact that he had said nothing surprised everybody. 10 I didn’t know what he wanted to say.
whatever/whoever 无论什么/谁 whatever = anything that whoever= anyone who e.g. 1). Whoever comes first wins the prize. 2). People/Those who come first win the prize. 3). It is unwise to give a kid whatever he wants. 4). Who broke the glass is not important. 5). Whoever broke the glass should be punished. 6). It is unwise to give a kid whatever he wants.
what = the n/pron + that/ which ， 可转换为定 语从句 e.g. What you said is true. = The thing that you said is true .
1 What seems right to me seems wrong to him. 2 The girl isn’t what she was 10 years ago.
What--和that-在名词性从句中的用法区别
What 和that 在名词性从句中的用法区别What 和that 都可以引导名词性从句。
一．在引导名词性从句时，从属连词that一般要注意三个不（three nos）：1．不省略（no ellipsis）当从属连词that引导主语从句、表语从句和同位语从句时，that不省略。
Eg. 1) That he was able to come made us happy.(That 引导主语从句不可省略)2)The truth is that I didn’t go there. (that引导表语从句不可省略)3)The news that our team has won is true. (that引导同位语从句不可省略)但在非正式文体中that 引导宾语从句时可以省略，除下列两种情况外：that在宾语从句中不能省略的情况.(1). 在主+谓+it(形式宾语)+宾补+that，从句(真正宾语) 的句型中不省略.Eg: 4) He made it quite clear that he preferred to study English.（that不可以省略）他很明确地说他宁愿学习英语。
(2). 由连词and连接的两个由that引导的宾语从句中, 则第二个宾语从句前的that不省略。
Eg: 5) He told me that he would come and that he would come on time.（第一个That可以省略，但第二个that不可以省略。
)他告诉我他将来而且他将准时来。
2．不作成分（no component）that 在名词性从句中不作任何句子成分。
Eg. 6)Sydney kept his promise that he would always do anything he could for Lucie to make sure of her happiness.（that在句中引导同位语从句，但在句中不作任何成分）7))That you don’t like him is none of my business. (that在句中引导主语从句，但在句中不作任何成分，也不省略）3．没词义（no meaning）that 在名词性从句中没有汉语意思。
主语从句that和what
主语从句that和what名词性从句可以称作为主语从句，主语从句就是用来做句子的主语的。
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。
一、由that引导的主语从句。
1.That he is still alive is a wonder.他还活着，真是奇迹。
2.That we shall be late is certain.我们要晚了，这是确定无疑的。
3.That he should have ignored the working class was natural.他忽视工人阶级是很自然的。
4.That she is still alive is a consolation.她还活着是使人感到宽慰的。
5.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。
6.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。
7.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。
二、关系代词型what引导的主语从句。
1. What we need is money.我们需要的是钱。
2.What I want to know is this.我想知道的就是这一点。
3.What’s done is done.事已成定局。
4.What he says is not important.他说的话并不重要。
5.What I am telling you is mere impressions.我和你说的都不过是一些印象而已。
What和that-在名词性从句中的用法区别
What和that 在从句中的用法区别一.W hat和that 都可以引导名词性从句。
(主语、宾语、表语、同位语从句)That: 1不省略(宾语从句除外) 2．不作成分 3.没词义What: 1．有词义2．作成分(从句中充当成分，常常作主语、宾语和表语)3不可省1) That you don’t like him is none of my business.2) I’m writing to tell you (that) Li Hua is going to your city for a conference .3) The thought that he might fail in the exam worried him.(=The thought worried him that he might fail in the exam)4) What some scientists have found is that their long-term use can sometimes harm boththe land and people’s health.5) What keeps them from doing so is the fact that chemical farming severs the highdemand for food around the world.6）Li Ping is what is generally called a “living Lei Feng”7）Sydney kept his promise that he would always do what he could for Lucia to make sure of her happiness.8）After what seemed to be ten years , he returned to his hometown.9)No one really knows when the first people arrived in what we know as California.二．that可以引导定语从句，有词义（指人或物），在定语从句中要充当成分，通常作定语从句中的主语、宾语。
what与that用作连接词引导从句的区别
当what 用作连接代词，引导名词性从句时，可引导主语从句、表语从句和宾语从句（不可引导同位语从句）；它本身在句中充当主语、宾语或表语。
[ 解题过程]注意what 和that 引导名词性从句的差别：一、当what 用作连接代词，引导名词性从句时，可引导主语从句、表语从句和宾语从句（不可引导同位语从句）；它本身在句中充当主语、宾语或表语。
1、what 表示所以 ... 的（事）"的意思，相当于“thehing（s） that ... 、“atlhat ....... ”、“thaWhich ... ” “everythig that ...... 等。
例如：（1）Leave it with me and I 'slel e what I can do.（what 引导宾语从句，并作do 的宾语。
）（2）What you have done might do harm to other people. （what 引导主语从句，并在从句中作宾语。
）（3）What he said at the meeting astonished everybody present. （what 引导主语从句，并在从句中作宾语。
）（4）What is most important in life isn 'm t oney. （what 引导主语从句，并在从句中作主语。
）（5）But wait till you see what we' mll ake for you to your own measure. （what 引导宾语从句，并在从句中作宾语。
）（6）What he wanted to see was an end to all the armies of the world. （what 引导主语从句，并在从句中作宾语。
）2、what表示所 ..... 的（人）"的意思，相当于“thperson that ............ 等。
what与that引导名词性从句的区别分析
what与that引导名词性从句的区别分析英语语法让很多学生都头疼，但其实还是有区别的，下面是店铺给大家带来的有关于what与that引导名词的介绍，希望能够帮助到大家。
what与that引导名词性从句的区别I think __________ he needs is more practice.Yes. __________ he needs more practice is clear.A. what, WhatB. that, ThatC. what, ThatD. that, What此题应选C。
其余三项均可能被误选。
what 和that 都可以引导名词性从句，但有区别。
如：1. what 引导名词从句时，它在从句中要充当句子成分(主语、宾语等)，而 that 引导名词从句时，它在从句中不能充当句子成分。
2. what 引导名词从句时，它有词义(表示：什么;所的[东西]);而that 引导名词从句时，它没有词义。
请做以下试题，注意区别 what 和 that。
如：1. ________ you said is different from the thing ________he told us.A. What, whatB. That, thatC. What, thatD. That, what2. I think ________ he said is trueBut dont forget the fact ________he is a cheat.A. what, whatB. that, thatC. what, thatD. that, what3. ________ surprised us most is ________he spoke English so well.A. What, whatB. That, thatC. What, thatD. That, what答案：1. C 2. C 3. C高中英语的情态动词的介绍1. You went late _______ the stadium yesterday evening, didnt you? Yes, my wife was a little late _______ the supper.A. to, withB. for, withC. for, forD. at, for【陷阱】容易误选 B 或D。
定语从句that和what的区别
定语从句that和what的区别定语从句that和what的区别导语：定语从句that和what的区别是?以下是店铺为大家整理的文章，欢迎阅读!希望对大家有所帮助!定语从句that和what的区别一、引导词what与that在引导名词性从句的用法区别引导主语、宾语或表语从句时，what在从句中要充当句子成分;而that引导主语、宾语、表语和同位语从句时，不作任何成分，只起语法连接作用。
试比较：That George W. Bush won the presidency once again was what many people hadn't expected.乔治?布什再次赢得总统大选，这是很多人没有预料到的。
It is the same old story of not being grateful for what we have until we lose it.事情往往是这样，失去之物，方知。
二、引导词what与that在引导定语从句的用法区别首先，要记住在定语从句中，跟本不用what连接词。
只有that和which.所以大家在做题中，如果是定语从句，就不要再考虑what了。
That 在定语从句中，一般可以作从句的主语。
宾语和表语。
例如：1、(2005北京春季卷) Do you still remember the chicken farm ____ we visited three months ago?where B when C that D what「分析」C 定语从句连词，that做从句visit的宾语。
没有what 连词。
2、He is not the naughty boy that he used to be.他不再是从前那个调皮的'男孩了。
巩固性练习：从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. (2005福建卷) --Is that the small town you often refer to?--Right， just the one _____ you know I used to work for years.A thatB whichC whereD what2. ____ should be done must be done in time.A WhatB AllC AnythingD All what3. A computer is so useful a machine ______ we can use everywhere.A thatB whichC asD what4(2005天津卷)last month， part of Southeast Asia was struck by floods，from _____effects the people are still suffering.A thatB whoseC thoseD what5. (2005湖北卷) Her sister has becomes a lawyer， _____ she wanted to be.A whoB thatC whatD which6. (07安徽) You can only be sure of _____ you have at present; you cannot be sure of something ____ you might get in the future.A that; whatB what;/C which; thatD /;that7. (07陕西) _____ parents say and do has a life-long effect on their children.A ThatB WhichC WhatD as8. (07上海) ____ he referred to in his article was unknown to the general readers.A ThatB WhatC WhetherD Where9. (2006全国卷II)--What did your parents think about your decision?----- They always let me do ____ I think I should.A. when B that C.how D. what10. (2005上海卷)The other day，my brother drove his car down the street at ___ I thought was a dangerous speed.A. as B which C. what D. that1. C 定语从句，one是先行词2. A what引导主语从句，做从句中can的主语。
what和that引导名词性从句的用法与区别讲义- 高三英语一轮复习
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。
In1492,Columbus reached what is now called America.1492年哥伦布到达了现在所称的美洲大陆。
辨析that与what从句的
六、引导状语从句 so．．．that such．．．that so that结构引导状语从 so．．．that such．．．that that结构引导状语从 句。what不能引导状语从句，但whatever， 句。what不能引导状语从句，但whatever， no matter what可引导让步状语从句。如： what可引导让步状语从句。如： He made such rapid progress in English that before long he could write articles for an American newspaper． newspaper． 他的英语进步很快，不久就能为美国的一家报社写文章 了。 Put the little plants in the shade so that the sun won’t burn won’ them． them． 请把幼苗放在阴凉处以免太阳晒枯它们。 Don’ Don’t believe him no matter what he says．无论他说什么， says．无论他说什么， 都不要相信他
4、Water will continue to be _______ it is today ------ next in importance to oxygen. A. how B. which C. as D. what 5、With the rapid development of science and technology， can’ technology，I can’t imagine _____________________ (我的家乡会是什么样子) (我的家乡会是什么样子) in ten years. (what) (08湖北卷) (08湖北卷) 6、.I haven’t the slightest idea haven’ (他正在说 (他正在说 什么).(talk) (07湖北卷) 什么).(talk) (07湖北卷) 7、The fact_____________(他失败了数次)makes fact_____________(他失败了数次)makes him upset.(he, fail) (07湖北卷) (07湖北卷) (正确答案是:1.A B .2 3.B 4. D 5. what my 正确答案是:1.A hometown will be/look like 6 .(of) what he’s talking he’ about 7、.that he has failed (for) several times) 7、
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What 和that 在名词性从句中的用法区别What 和that 都可以引导名词性从句。
一．在引导名词性从句时，从属连词that一般要注意三个不（three nos）：1．不省略（no ellipsis）当从属连词that引导主语从句、表语从句和同位语从句时，that不省略。
Eg. 1) That he was able to come made us happy.(That 引导主语从句不可省略)2)The truth is that I didn’t go there. (that引导表语从句不可省略)3)The news that our team has won is true. (that引导同位语从句不可省略)但在非正式文体中that 引导宾语从句时可以省略，除下列两种情况外：that在宾语从句中不能省略的情况.(1). 在主+谓+it(形式宾语)+宾补+that，从句(真正宾语) 的句型中不省略.Eg: 4) He made it quite clear that he preferred to study English.（that不可以省略）他很明确地说他宁愿学习英语。
(2). 由连词and连接的两个由that引导的宾语从句中, 则第二个宾语从句前的that不省略。
Eg: 5) He told me that he would come and that he would come on time.（第一个That可以省略，但第二个that不可以省略。
)他告诉我他将来而且他将准时来。
2．不作成分（no component）that 在名词性从句中不作任何句子成分。
Eg. 6)Sydney kept his promise that he would always do anything he could for Lucie to make sure of her happiness.（that在句中引导同位语从句，但在句中不作任何成分）7))That you don’t like him is none of my business. (that在句中引导主语从句，但在句中不作任何成分，也不省略）3．没词义（no meaning）that 在名词性从句中没有汉语意思。
Eg. 8)That she is a rich woman is known to us. (that在句中引导主语从句，但在句中没有汉语意义) 她是一个很有钱的女子，这一点我们都知道。
9）The thought that he might fail in the exam worried him. (that在句中引导同位语从句，但在句中没有汉语意义）他也许会考试失败，这一想法使他很担心。
二．在引导名词性从句时，What一般要注意一个不（one no）,一个有（meaning）,一个作（component）：1．不省略what 引导名词性从句时，what 在句中不省略。
这一用法与that 用法不尽相同。
eg. 10) What I had for breakfast today was rice with egg.(what 在句中引导主语从句，what 不省略)11)----I think it’s going to be a big problem.----Yes , it could be .----I wonder what we can do about. (what在句中引导宾语从句，但在句中不省略）2．有词义what 引导名词性从句时，有词义。
一般是“----的东西/事情/话等”这一用法与that 用法不一样eg. 1) This is what she wanted to show us. (what在句中引导表语从句，在句中有词义，意思是“----的东西、事情）这是她想让我们看的东西。
12）What the teacher said had a good effect on the children. (what在句中引导主语从句，在句中有词义，意思是“----的东西、事情）老师所说的话对孩子们有很好的作用。
3．作成分what 在引导名词性从句时，在从句中充当成分。
这一用法与that 用法不一样。
Eg. 13)It does n’t matter what he said.( it 是形式主语，what 在句中引导主语从句。
What 在主语从句中作said 的宾语。
)14）It was true ______Alice did surprised her mother.A. that whatB. what thatC. that thatD. all what评析：这一题正确答案是A。
it在句中是形式主语，that引导的是主语从句that Alice did surprised her mother.，在这个主语从句当中，what 又引导了主语从句what Alice did，what在从句中作did 的宾语。
三．要特别提醒同学们的两点：1. What所引导的从句可以在介词后作宾语，而that从句一般不可以。
Eg：15）After months of voyage ,Columbus arrived in _____later proved to be a new continent.A. whereB. whichC. whatD. that评析：答案是C。
因为在介词in 后面，应该用what引导的宾语从句，what在宾语从句中作主语。
而that不可以这样用。
16) On stepping into his room, he was astonished to find the floor covered with _____lookedlike tiny insects.A. thatB. somethingC. whatD. anything评析：答案是C。
因为在介词with 后面，应该用what引导的宾语从句，what在宾语从句中作主语。
而that不可以这样用。
2.that可以引导定语从句，而且是定语从句引导词中的顶梁柱，它在定语从句中要充当成分，通常作定语从句中的主语、宾语。
同时that也可以引导名词性从句，在名词性从句中that 不充当成分。
但What不可以引导定语从句。
它只可以引导名词性从句,在句中相当于what =all that ,what 在名词性从句中充当成分，常常作主语、宾语和表语。
Eg: 17).All _____I want to know is what he meant .A.thatB. whichC. whatD. whatever评析：答案是A.本题是that引导的定语从句。
而what不可以引导定语从句。
What=allthat .又因为先行词是all ，故其后不可以接which 引导的定语从句。
而.Whatever=anything that /no matter what 从意义和语法都不符合。
所以只能选A,that.18) ______impressed me most was ______such a little boy could play the violin so well.A. That ; whatB. What ; thatC. That ; thatD. What ; what评析：答案是B.第一空是what 引导的主语从句，并在主语从句中作主语。
第二空是that 引导的表语从句，that在表语从句中不省略，不作成分，也没词义。
要真正掌握What 和that 在名词性从句中的用法，还得多多操练,熟能生巧（Practice makes perferct）。
练习：一．改错题：1.What we all like him is certain.2.He left is certain.３．I wished that we could go to Beijing this summer and we could buy some books on our way back4.His delay is due to the fact the car went wrong halfway.5.The idea which the world may be destroyed by nuclear weapons came to him.6.The news our team has won is true.7.He said that he had made a big mistake and he felt very sorry for it.8.The reason he did not come is he was ill.9.His delay is due to the fact the car went wrong halfway.10 .When you answer questions in a job interview ,please remember the golden rule: Always give the monkey exactly that he wants.Keys: 1.(what→That) 2.(he 前加that) 3.（在and 后加that）4.（在the car前加that）5.(which→that) 6.(在news 后加that ) 7.(第一个that可以省略，但第二个that不可以省略。
所以要在and 后加that) 8.（在is 后加that)）9.（在fact后加that）10. (将that 改what) 二）高考题：11．[92] It worried her a bit ______ her hair was turned grey.A. whileB. thatC. ifD. for12．[93] _____ he said at the meeting astonished everybody present.A. WhatB. ThatC. The factD. The matter13．[96] _____ we can’t get seems better than _____ we have.A. What / whatB. What / thatC. That / thatD. That / what14．[98] _____ caused the accident is still a complete mystery.A. WhatB. ThatC. HowD. Where15．[01] A co mputer can only do _____ you’ve instructed it to do.A. howB. afterC. whatD. whenKeys:11-15 BAAAC三）选择题：16．Air to us is ______water to fish.A. whatB. thatC. /D. like17．China is not _____ it used to be .A. thatB. whatC. whichD. /18. After ______seemed to be ten years later, he returned to his hometown.A. whatB. thatC. /D. which19.There are signs ______restaurants are becoming more popular with families.A. thatB. whichC. in whichD. whose20.It is pretty well understood ______controls the flow of carbon dioxide in and out the atmosphere today.A. thatB. when C . what D. how21.______fashion differs from country to country may reflect the culture differences from one aspect.A. WhatB. ThatC. ThisD. Which22.----What made her parents so angry ?----______ she had failed in the exam.A. AsB. BecauseC. SinceD. Thatrmation has been put forward ______more middle school graduates will be admitted into universities.A. whileB. thatC. whenD. as24.----Are you still thinking about yesterday’s game ?----Oh, that’s ______.A. what makes me feel excitedB. whatever I feel excited aboutC. how I feel about itD. when I feel excited25.There is a new problem involved in the popularity of private cars _______ road conditionsneed _______.A. that , to be improvedB. which , to be improvedC. where, improvingD. when , improving26.Word has come ______some foreign guests will come to our school.A. thatB. whetherC. whichD. what27.No one can be sure ______in a million years.A. what man will look likeB. what will man look likeC. what look will like manD. what look will man like.28.____puzzled the police especially was ______the murderer died .A. The thing ; thatB. That ; howC. What ; howD. Which ; how29.Sometimes we are asked _____ the likely result of an action will be .A. that we thinkB. what we thinkC. what do you thinkD. if we think30. The fire destroyed all _____ was in the building .A. whatB. whichC. thatD. how31.It’s certain _____he will come to our rescue.A. whetherB. whatC. thatD. if32. I’m sure ______things will get better and ______we will get out of the trouble soon.A. that ; whichB. /;/C. /; thatD. that ; /33.He was so pleased with all ______we had done for him ______he wrote us a letter to praise usfor it . A. what ; what B. what ; that C. that ; what D. that ; that34.Was it in his office ______the manager made a promise ______he would give me promotion?A. when ; thatB. that ; thatC. when ; whichD. on which ; what35. There is no doubt _____ China will catch up with the developed countries.A. whichB. thatC. whetherD. what36._____he did well in the examination made him happy.A. WhatB. WhichC. ThatD. When37. There is a popular belief among the students _____one cannot hope to achieve success withouthard work. A. which B. that C. / D. what38.Who discovered the truth ______ the earth goes round the sun ?A. whichB. whatC. whenD. that39. By success I don’t mean ______usually thought of when that word is used.A. what isB. that weC. as youD. all is40. Although Anne is happy with her success she wonders ______will happen to her private life.A. thisB. itC. whatD. thatKeys:16-20 ABAAC 21-25 BDBAA 26-30 AACBC31-35CCDBB 36-40 CBDAC。