高考英语语法复习----名词性从句
名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此，名词性从 句厅分为主语从句、表语从句、宾语从句和同位从句。 一. 引导名词性从句的连接词
1、连接代词：what, who, which, whose, whom, whatever, whoever, whomever, whichever 有词义，在从句中担任成分，如主语、表语、宾语、或定语等。 2、连接副词：when, where, why, how, wherever, whenever 有词义，在从句中担任成分，作状语。 3、连接词：that, whether, if, as if 无词义，在从句中不担任成分，有时可省略；if /whether, as if虽有词义，但在从句中不担任成分。 二. that 的省略问题
1) (判断下列从句, 并判断that 能否省略)
That they are good at English is known to us all. The problem is that we don’t have enough money.
The report that there will be a severe storm in the northern area is false. 2) 判断下列从句的that 能否省略:
He told me that he had finished the task. He told me that he had finished the task and that he would go travelling the next week.
He judged that, because he was a child, he did not understand wine. The reason lies in that she works harder than the others do. Everyone knew what happened and that she was worried. 三. that 和what 的区别
It’s a shame that he has made such a mistake. I will do what I can (do) to help him. 四. 同位语从句与定语从句中that的区别: They expressed the hope that they would come to visit China again. The hope they expressed is that they would come to visit China again. 五. when 和where 引导的同位语从句和定语从句的区别: They put forward the question where they could get the money. This is the place where the accident happened. 六. whether 和if 的用法
It all depends on _____________ they will come back.
I didn’t know _____________ or not he had arrived in Wuhan.
_____________ the meeting will be put off has not been decided yet. The question is _____________ they have so much money.
We ought to discuss carefully the question _____________ we can do it or not. The question on _____________ they are male or female is not important. I have not decided _____________ to go or not. _____________ he comes or not, we will begin our party on time. 七. 疑问词+ever 与no matter + 疑问词的区别
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Whoever breaks the rule must be punished. You can choose whatever you like in the shop. Whoever breaks the rule, he must be punished. No matter what you do, you must put your heart into it. 八. who 和whoever, whoever, whomever的区别: Who broke the window has not been found out. Whoever broke the window must be punished.
You can choose ___________ you like among them. (whomever, whoever, whatever)
You can choose _________ you think can do the job to go with you. (whomever, whoever, whatever) 九. 主语从句的数
1. what 引导的主语从句作主语时,谓语的数由后面的表语或宾语确定.例如： What she said _________ correct.
What he gave me _________ five English books.
2,其它词引导的名词性从句作主语时,谓语用_________数.例如： Who is responsible for the accidents _________ not clear. 3. when and where 引导的从句作主语
When and where they had the party ________ unknown.
When they had the party and where they had it _________ unknown. 练习：名词性从句
一、判断下列各句哪句含有名词性从句，并指出是什么从句： 1. China is no longer what it used to be.
2. The truth that the earth turn around the sun is known to all. 3. It was snowing when he arrived at the station.
4. How he persuaded the manager to change the plan is interesting to us all. 5. The news that they had won the game soon spread over the whole school. 6. The news that you told me yesterday was really disappointing. 7. That is where Lu Xun used to live.
8. He spoke as if he understood what he was talking about.
9. Do you remember the teacher who taught us English at middle school? 10. I wonder why she refused my invitation. 二、用适当的连词填空：
1. I can’t decide ____________ dictionary I should buy. 2. That’s ____________ he refused my invitation.
3. I am very interested in ____________ he has improved his pronunciation in such a short time. 4. ____________ we need is more time.
5. The fact ____________ she had not said anything at the meeting surprised everybody. 6. ____________ and ____________ they will meet has not been decided yet. 7. Please tell me ____________ you are waiting for. 8. Is that ____________ you are looking for?
9. Would you please tell me ____________ the nearest post office is? 10. I don’t know ____________ he will agree to the plan or not.
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