从句中that和what的用法

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1、that 与与 what 从句用法从句用法that 与 what 从句是中学课本的一项重要语法内容,也是学生易出错的地方。现将其用 法归纳如下: 一、引导主语从句一、引导主语从句 that 与 what 都可引导主语从句,that 在从句中不作句子成分,但不能省略。what 在从 句中可作主语、宾语、表语等,不能省略。如:What he said at the meeting was very important他在会上所说的非常重要。 (what 在主语从句中作宾语)What surprised us is that he did it alone使我们吃惊的是他一个人做了那项工作。 (wh

2、at 在主语从句中作主语)That he did it alone surprised us他独自完成了那项工作使我们感到吃惊。 (that 用来引导主语从句,在句中不作成分)二、引导宾语从句二、引导宾语从句that 与 what 都可引导宾语从句,that 在从句中不作句子成分, 一般情况下可以省略 但当有两个以上的宾语从句时,只能省掉第一个 that。 what 在从句中可作主语、宾语、 表语等,不能省略。如:They stopped to see what was happening他们停下来看发生了什么事情。 (what 在宾语从句中作主语)The teacher got angry

3、because of what the boy had done那个男孩子做的事情让老师很生气。 (what 在宾语从句中作宾语)All the people believed that it was right to rescue the temple所有的人都认为拯救古庙是正确的。 (that 在宾语从句中不作句子成分且可省略)We must believe that each one of us is able to do something well and that when we discover what this something is we must work hard a

4、t it until we succeed我们必须相信,我们每一个人都能把某件事情办好;而且,当我们发现这事情是什么 的时候,我们就必须努力干下去, 直到成功为止。 (第一个 that 可省略,第二个 that 不能省略)三、引导表语从句三、引导表语从句that 与 what 都可引导表语从句,that 在从句中不作句子成分,且不能省略;what 在从 句中可作主语、宾语、表语等,不能省略。如:Mary is no longer what she used to be玛丽不再是从前那样了。 (what 在表语从句中作表语)The question is what we should do to

5、 prevent him from going问题是我们怎样做才能阻止他去。 (what 在表语从句中作动词 do 的宾语)The reason why he didnt come today is that his mother is ill他今天没来的原因是他母亲病了。 (that 只起连接作用) 四、引导同位语从句四、引导同位语从句 that 与 what 都可引导同位语从句,修饰表示抽象概念的名词,对所修饰的名词的具体 内容进行详细阐述。这类名词有:fact, idea, news, hope, belief, promise, thought, suggestion, proposa

6、l 等。that 在从句中不作句子成分,但不能省略。what 在从句中可作主语、宾语、表语等, 不能省略。如:I have no idea what we should do next我不知道我们下一步该做什么。 (what 在同位语从句中作宾语) He made a promise that he would study hard 他许诺要努力学习。that 只起连接作用The boy expressed his hope that he would be a pilot when he grows up那个男孩儿表达了他长大后想当一名飞行员的愿望。 (that 只起连接作用) 五、引导定语

7、从句五、引导定语从句 that 可引导定语从句且在定语从句中作主语或宾语,that 既可指人也可指物。that 在从 句中作宾语时可省略。如:This is one of the buildings that were built last year这是去年建的楼房之一。 (that 在定语从句中作主语,指物,不能省略。 )The doctor that you met in the street yesterday came here 20 years ago你昨天在街上遇到的那位医生二十年前就来到这里了。that 在从句中作宾语,指人 并可省略。 注:what 不能引导定语从句。如不能说:

8、1He did all what he could to save the patient2All what he needs is more time应将句中的 what 改为 that,或去掉 what, 还可以将以上两句中的 all 去掉,但两句的 结构发生了根本的改变:句 1 中的 what 引导宾语从句,句 2 中的 what 引导主语从句。六、引导状语从句六、引导状语从句 so that such that so that 结构引导状语从句。what 不能引导状语从句,但 whatever, no matter what 可引导让步状语从句。如:He made such rapid

9、 progress in English that before long he could write articles for an American 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 wont burn them请把幼苗放在阴凉处以免太阳晒枯它们。Dont believe him no matter what he says无论他说什么,都不要相信他。that 与 what 从句用法浅谈(二)七、高考英语试题例:1、_ caused the accid

10、ent is still a complete mystery.A. What B. That C. How D. Where 2、In some countries _ is called “equality“ does not really mean equal rights for all people.A. which B. what C. that D. one 3、Chen Jiagen was born in a family in _is now the special economic zone of China.A. what B. where C. that D. whi

11、ch 4、Water will continue to be _ it is today - next in importance to oxygen.A. how B. which C. as D. what (根据全句的意思“水在将来还是现在的状况-其重要性仅次于氧气。 ”判断,空格处缺少一 个表语从句引导词,并且这个引导的意思是“的状况” 。) (正确答案是:1.A B 2 3.B 4. D )很显然,这几题是为了考查学生是否掌握了 what 和 that 的实际含义及引导名词性从 句时的用法差异而设定。那 what 和 that 在引导名词性从句时究竟有怎样的差别呢?(一) 、当 wh

12、at 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“the thing(s) that” 、 “all that” 、“that which” 、 “everything that”等。例如:(1) Leave it with me and Ill see 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

13、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 isnt money. (what 引导主语从句,并在从句中作主 语。)(5) But wait till you see what well make 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

14、 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“the person that”等。例如:(1) He is not what he used to be. (what 引导表语从句,并在从句中作表语。)(2) She is no longer what she was five years ago. (what 引导表语从句,并在从句中作 表语。)(二) 、当 that 用作连接词,引导名词性从句时,可引导主语从句、表语从句、宾语从句 和同位语从句,that 在从句中既不充当

15、任何成分,也无实际意义,仅起着连接句子的作用。 一般不可省略(宾语从句除外) 。若从句置于句子后面,代词 it 作形式主语。例如:(1) It worried her a bit that her hair was turning grey. (that 引导主语从句)。(2) It is a fact that Chinese is accepted as an international language. (that 引导主语从句)(3) Can you believe (that) in such a rich country there should be so many poor

16、people?( that 引导宾语从句)(4) Tom felt that he knew everybodys business better than they knew it themselves.( that 引导宾语从句)(5) We heard the news that our team had won. (that 引导同位语从句)(6) Another problem is that good soil is gradually lost. (that 引导表语从句)(7) But the truth is that everyone should take care of disabled people, not just the government. (that 引导表语从句

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