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高中英语名词性从句讲解与练习

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2020-10-22 02:13
tags:高中英语名词性从句

高中数学视频-掸的意思

2020年10月22日发(作者:苏武功)


名词性从句
一、名词性从句的种类
名词性从句一共有三种: that从句 、whether(if)从句、疑问词所引导的从句;名词性从句具有
名词的功能,可充当句子主语、 宾语、表语、同位语,用名词性从句充当这几种成分,称为
主语从句、宾语从句、表语从句、同位语从句 。
二、that从句
任何一个陈述句前面冠子that,即为that从句:
He doesn't believe my words.(句子)→ that he doesn't believe my words.(名词性从句)
He enjoys dancing.(句子)→ that he enjoys dancing(名词性从句)
There is a lot of work to do.(句子)→ that there is a lot of work to do.(名词性从句)
三、whether从句
本从句系由一般疑问句演变而来。
1.问句有be动词时,主语与be动词还原,前面冠以 whether(if):
Is he happy?(句子)→ whether he is happy(名词性从句)(他是否快乐)
2.问句有一般助动词(can、 will、may、 should、 ought to、must、have)时
主语与助动词还原,前面冠以 whether
Can he do it?(句子)→ whether he can do it(名词性从句)(他是否能做这件事)
Has he done it→ whether he has done it(他是否已做好此事)
3.问句有do、does、did等助动词时主语与 助动词还原,再将do、does、did去掉,后面的
动词依人称和时态变化
Did he come?(问句)→ whether he did come→ whether he came(名词性从句)(他是否来了)
Does he like it?→ →
四、疑问词从句
本从句系由疑问词( when what、how、 where、why)等引导的特殊疑问句变化而成,这种由
疑问词引导的问句称为特殊疑问句。
1.问句有be动词时,前面保留疑问词,变为陈述语序
What is he doing?(问句)→ what he is doing(名词性从句)
2.问句有一般助动词时,前面保留疑问词,变为陈述语序
Where can he find it?(问句)→ where he can find it(名词性从句)

< br>3.问句有do、does、did等助动词时,主语与助动词还原,前面保留疑问词,再将do、doe s、
did去掉,动词依人称和时态变化。
What did he write?(问句)→what he did write→ what he wrote(名词性从句)
When did he come?(问句)→when he did come→
How does he do it?(问句)→how he does do it→
*注意:who what、 which(哪一个)为疑问代词,若在问句中作主语,变成名词性从句时,结构不

Who came here?(问句)→ who came here(名词性从句)
What happened last night?→ what happened last night
Which was bought?→ which was bought
五、名词性从句的功能
名词性从句乃由句子或问句变化而成,名可性从句也要被视为名词。由 于具有名词的特性,
故可作主语、宾语或在be动词之后作表语、同位语,用名词性从句充当这几种成分 ,称为
主语从句、宾语从句、表语从句、同位语从句。
1.名词性从句作主语
That honesty is the best policy is a proverb(which) we should always keep in mind.
Where he lives is still in doubt.
Whether he can do it remains to be seen.(他能胜任与否仍有待观察。)
名词性从句作主语时容易造成主语太长的现象,因此亦可用形式主语代替,置于句首,而被
代替的名词 性从句则置于句尾。故可改写为:
It is a proverb(which) we should always keep in mind that honesty is the best policy.
2.名词性从句作及物动词的宾语
I know that he will go abroad in the near future.
I wonder whether he has finished the work.
I don't know how he'll handle it.
3.名词性从句作介词的宾语 : 此时仅能用 whether从句或疑问词引导的名词性从句作宾
语。that从句不可作介词的宾语。

I am worried about whether he can do it.
I'm curious about how he'll cope with the problem.


I am sure of that the team has won the game. ( X)

4.遇有介词,且非要使用that从句时,其补救方法如下:
(1)介词+ the fact+that从如此,就可用 the fact作介词的宾语,而that从句就成了 the fact
的同位语
I am sure of the fact that the team has won the game.
I am worried about the fact that he doesn't study.

(2)保留介词,不加 the fact,但介词之后的that从句要做下列变化:
第一步:除去that
第二步:that后的主语变成所有格;
第三步:动词变成动名词
I am worried about that he plays around all day.
→his playing
→I am worried about his playing around all day.
(a)that从句若有助动词do、 does, did时,予以去掉即可。
I am worried about that he doesn't stydy.
→his not studying
→I am worried about his not studying.
(b)that从句若有助动词will或 would时,予以去掉即可
I am sure of that the team will win the game.
→the team's winning
→I am sure of the team's winning the game.
(3)be+adj.+that从句
也就是去掉介词,将that从句放在形容词后面,作其宾语。
I am worried abut that he plays around all day.
→I am worried that he plays around all day.

I am sure of that the team has won the game.
→I am sure that the team has won the game.



请将括号里的疑问句变成名词从句。

1.________is unimportant to me. (Does she come?)

2.________remains uncertain. (Shall we have the match?)

3.I wonder_______. (Should we wait for him?)

4.No one knows exactly_______. (Is there life on other planets?)

5.I am interested in the question_______. (Will people live on the moon someday?)

6.My question is_______. (Do we have enough time to go to the movie?)

7.Do you know______? (Does sound travel faster than light?)

8.I don't know_______. (How old is he?)

9._______was interesting. (What was he talking about?)

10.Do you know_______? (What's on TV tonight?)

11.Please tell me________. (Where do you live?)

12.I wonder_______. (Why did dinosaurs become extinct?)

13._______wasn't true. (What did she say?)

14._______is true. (What did he tell you?)

15._______is still a mystery. (Why did they refuse to cooperate with us?)

16.Do you know______? (When are they coming?)

17.I can't remember_______. (How much does it cost?)

18.Let's ask him_______. (Which book does he want?)

19.I don't know_______. (Who is coming to the party?)

20.I don't know_______. (Who are those people?)

21.Do you know_______? (Whose pen is this?)



22._______is a secret. (Why did they leave the country?)

23._______is none of your business. (Where did she go?)

24._______will be forever etched in our memories. (What happened on the morning of
September 11? )

25.I don't remember_______. (How many letters are there in the English alphabet?)

26.I need to find out_______. (How old does a person have to be to get a driver's license?)

27.The little boy wants to know_______. (Do animals have the same emotions as human
beings?)

28.The little boy wants to know_______. (Why is the water of the sea salty?)


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