名词性从句语法知识点

名词性从句
什么叫从句___________________+_____________________
Do you know what he likes
He says (that) he will leave a message on my desk.？
He didn’t tell me when we should meet again
1.名词: 表示人或事物的名称的词叫名词。
名词的功能：
The boy is li Ming.
Mr. Liang , a 24-year-old boy, teaches us English .

宾语从句：动词、介词+ 宾语从句
表语从句： Be + 表语从句
主语从句：在复合句中做主语
同位语从句：同位语从句 ,修饰名词和代词,和所修饰的词指的是 同一个人，同一件事
练习：
? we will start is not clear.
? Black won’t believe that her son has become a thief.
? 3. My idea is that we should do it right now.
? 4.I had no idea that you were her friend.
1.引导词：
1.陈述句：that引导（引导宾语从句可以省略，但是引导主语从句，表语 从句和同位语从句一定不能省略），
I hear (that) he has joined the football club. 我听说他已经加入了足球俱乐部。
Is it certain that they will win 他们一定会赢吗
2.一般疑问句：Whether if （ 是否），在从句中不可省略 (关于whether if 区别)：
1.）1．whether可以连接所有的名词性从句，而if只能引导宾语从句。
I didn't know ______________he would attend the concert.
I did’t know______________he would attend the concert or not.
The question is ______________it s worth trying.
____________she comes or not makes no difference.
He must answer the question_________ he agrees to it or not. 他必须回答他是否同意此事这样一个问题。
2)．whether引导的宾语从句可作介的宾语，而if则不能。
It all depends on_____________ they will support us. 这完全取决于他们是否支持我们。
Ryan was worrying about __________he had hurt her feelings. 瑞恩担心是否伤害了她的感情
3. 连接代词who, whom, whose, what, which等在从句中既起连接作用，同时又担当主语、宾语、定语、
表语等成分。
No one knows _______he was waiting for. 没人知道他当时在等谁。
We are worrying about __________we should do next. 我们正在为下一步该怎么办而烦恼。
Tell me _____________house it is. 告诉我这是谁的家。
Let me know ________train you will be arriving on. 告诉我你将乘哪列火车到达。
4. 连接副词where, when, how, why等在从句中既是连接词，又作状语。
I don't know ________we are going to have the meeting.我不知道我们将在哪儿开会。
She always thinks of ________shecan work well. 她总是在想怎样能把工作做好。
What I am anxious to know is__ we can visit the museum. 我急于知道我们什么时候能参观博物馆。
5. E．whoever, whomever, whatever, whichever, whosever

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连接代词whoever = anyone who任何人, 无论谁；whatever =anything that凡是...，无论什么；whichever =
anything that无论那一个, 任何一个；whomever = anyone whom （whoever的宾格形式）。
_______________comes to the club is welcome. 不论谁来参加这个俱乐部都欢迎。
You may do ________________________you will. 你可做任何你想做的事。
※注意事项
1.从句的语序用: 引导词+从句主语+从句谓语+其他成分
2.时态和主句保持一致：
His brother asks when he will go to the library .
I didn’t know what he wanted to buy
宾语从句的时态呼应
1) 如果主句时态是现在时或将来时,从句谓语可根据句意需要而选用任一种时态.
a .他相信他的梦想总有一天会实现的. He believes _ his dream will come true some day
________________________ .
b .请告诉我你昨天这个时候在干什么.
Please tell me _ what you were doing at this time
yesterday
________________________.
2). 如果主句谓语是过去时,从句谓语动词一般用过去的 某种时态,但从句表达的是客观事实、真理、自然
规 律等时，从句谓语通常用一般现在时。
他告诉我他正在为考试做准备。He told me __ he was preparing for the examination
____________________ .
他说他已离开家乡十年了。He told me _ He had been away from his hometown
for ten years
_____________________.
老师告诉我们光是沿直线运行的。The teacher tell us _ light travels in a straight line.
_____________________
宾语从句：接在动词和介词后面的从句：
I think ______________________________________ _______(他会告诉我真相)
I went in and asked__________ ________________________________(是否他能提前到达火车站)
I don’t know _______________________________________(是否你能来) 不能用 If
I really don’t know ________________________________________(他正在干嘛？)
Do you know___________________________________ ________________(他们正在和谁谈话)?
He asked _________ ___________________________________(这是谁的钱包)
I can’t tell _______________________________________ ________(他们将选择哪条路去公园).
I don’t know __________ ______________________________________(我们将去哪里举行会议)
Please tell me _______________________________ _____________(我们将什么时候讨论这个计划).
Do you know ____ ____________________________________(他为什么说那件事情)?
Can you tell me_______________________________ ___________(我怎么才能到达动物园).
Pay attention to _________________________________(老师所说的)
He agreed with______________________________(他所说的).
You can eat _______________________________(你想要的任何东西)
You can decided _________________________________(任何时候开始这个计划).
You can pick out ___________________________________(你喜欢的任何一个).
You can decide _________________________(你想去的任何地方).

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表语从句： BE+ 表语从句
The fact is ___________________________________(我从来没有去过那里)
The question is ________________________________(这本书是否值得读).
That is __________________________________(他所担忧的事情).
The question is ___________________________(谁将来这里).
That is____________________________(他出生的地方).
That is________________________________(他迟到的原因).
This is _____________________________(他为什么做这件事)
The question is _______________________________(他什么时候回来).
The school is not ____________________________________ ______(它过去的那个样子).

主语从句： 在复合句中做主语
_________________________________________(他说谎) is certain.
__________________________________ __________(总统是否会来这里)is still unknown.
________ ____________________________(谁将成为他们的班主任) is not known.
_____________________(他所说的)is very important.
___________________________________ _(哪个队将赢得这场比赛)is nor clear.
______________________________(他来自哪里)is not certain.
____________________________________( 他成为了一个伟大的科学家) is known to us all.
主语从句都是放在句首的,但是为了避免”头重脚轻”, 常用it做形式主语,而把从句放到后面.
上面的句子都可以改为IT为形式主语的从句：
例如: (改上面前5句)
___ __________________________________________________ _____________________________________
_________ __________________________________________________ _______________________________
_______________ __________________________________________________ _________________________
_____________________ __________________________________________________ ___________________
___________________________ ______________________________________
同位语从句 : 同位语从句用于对前面的名词作进一步解释，说明名词的具体内容。
可以跟同位语从句的名词通常有fact new，idea，，promise，question， doubt，thought（想法），hope，message，
suggestion（建议）， word（消息），possibility，decision（决定）等。 一般情况都是由that 引导， 有时
候也用what, why , whether , when 等引导。
There is no doubt that we will win. 毫无疑问我们会赢的。
I have no idea whether he'll come or not. 我不知道他是否来。
It is a question how he did it. 那是一个他如何做了此事的问题。
I’ve come from Mr. Wang with a message ___________________________________(他今天下物不 能来看你
了)．
l have no idea ___________________________．我不知道他什么时候回来。 .
Several years later，word came _____________________________________(她在全国得了第一名)．
The thought came to him_______________________ ______________(他也许已经离开这个城市了)．
The fact _______ ______________________________________(新鲜空气对身体有益) is known to all.
练习：
辨析：what 与that
1.______ he wants is a book. 2. ______ he wants to go there is obvious.
result is ______ we won the game. is _____ we want to know.

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_____ he told us true ? should pay attention to ______ the teacher issaying.
7. I have no doubt _____ he will come. 8. I have no idea _____ he did that afternoon.
名词从句与定语从句的一些对应关系：
.He has done what he can to help me.--He has done ____ ____ he can to help me.
What I want to say has nothing to do with it.-____ ____ I want to say has nothing to do with it.
3. Whoever breaks the law is to be punished.______ ______ breaks the law is to be punished.
4. He will give the dictionary to whoever needs if most.
He will give the dictionary to ______ ____ needs it most.
5. We’ll remember whomever we turned to for help.
We’ll remember ______ ________ we turned to for help.
6. They will do whatever he wants them to do.
They will do ______ ______he wants them to do.
7. I’ll read whichever book you give me.
I’ll read ____ of the books _____ you give me.
worried her a bit _____ her hair was turning gray.
2.____ is a fact ____ English is being accepted as an international language.
is uncertain ________ the experiment is worth doing.
4.________ we will go camping depends on the weather.
5._________ leaves the room last ought to turn the lights.
is _______ he refused my invitation.
7._______ he won the game is _________ we had expected
tell me _______ you are waiting for.
reason _______ he was so shocked was _______ Tod had never seen the million pound bank note.
11.______ will go there is not important.
12.________ they are good at English is known to all.
years later, he isn’t ________ he used to be.
is _______ I want to know.
news ________ he will come back from the US is true.
fact ________ he didn’t keep his promise made me very angry.
1. No one is allowed to smoke on campus. he broke the rule.

hoped that he would come and visit China again. He expressed his wish in the letter.

shop offers more personal service. It makes this shop different

did he see in the office the day before yesterday? It is still a puzzle.

is his suggestion. We should stay calm.

was the famous scientist born? This is the place.

much will we spend during the trip? I can’t work it out.

could answer the question? The teacher asked a question.

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1. _______ is known to us all, the light on the earth is given by the sun.
_______ is known to us all that the light on the earth is given by the sun.
_______ is known to us all is that the light on the earth is given by the sun.
2. The news _____________ he told me is ture.
The news _____________ he will come back from the U.S. is true.
2. The problem is _______ we don’t have enough money.
3. They make _______ a rule ________ breaks the law will be punished.
4. _______ we can’t get seems better than ______ we have.
5. ___________ caused the accident is still a complete mystery.
6. I can’t understand _______ what you are talking about.
7. Energy is _________ makes things work.
8. This is _______ I want to know.
9. Ten years later, he isn’t _______ he used to be.
10. ________ she could not understand was ________ fewer and fewer students showed interest in her lessons.
11. _________ we will play football tomorrow depends on the whether.
12. We didn’t know _________or not he had arrived in Wuhan.
13. This is _________ the problem lies.
14. Danny left word with my secretary ___________ he could call again this afternoon.
15. The road is covered with snow. I can’t understand _______ they insist on going by motorbike.
16. I can’t decide _______ dictionary I should buy.
17. I am interested in _______he has improved his pronunciation in such a short time.
18. we will discuss the question _________ the sports meeting will be held on time.
19. I will do _______ I can to help him.
(1)I read a report last night. It says 1_________ a lot of people died in 2______ traffic accident. But I forget
3_________ the accident happened last Sunday. 4 _________ astonished me most is 5__________ some babies
lost 6________ lives. However, I don't know 7___________ the government has taken some measures to deal
with 8______. In my opinion, 9_____ accident has taught us a lesson 10__________we should obey the traffic
rules.
(2)In the United States, there were 222 people ____1____ (report) to be billionaires(亿万富翁) in 2003. The
____2_____（rich） of these is Bill Gates, worth at least $$ 41 billion, who made his money ____3____ starting
the company Microsoft. Mr. Gates was only 21 years old _____4____ he first helped to set up the company in
1976. He had been a billionaire _____5__ the time he was 31.
____6____ , there are still some other people who have made lots of money at even ____7____ (young) ages.
Other young people who have been struck rich include Jackie Coogan and Shirley Temple. ____8____ of these
child actors made over a million dollars ___9____ (act) in movies before they were 14. But ___10___ youngest
billionaire is Albert von Thurn und Taxis of Germany, who, in 2001, inherited



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