高中语法复习名词性从句讲义

名词性从句

主语从句宾语从句表语从句同位语从句

连词的选择

一在从句中充当句子成分

连接代词what who whom which（有范围）

主宾表定Whatever whoever whomever whichever

连接副词when where why how

状语Whenever wherever however

二在从句中不充当句子成分

That 无词义只起连接功能

Whether/if 是否as if/though 似乎好像

缺什么补什么

如果从句缺主语指人用who 指物用what

宾语指人用who/whom 指物用what

定语常用what/which（有范围）It remained uncertain what side effect the medicine would bring about.

表语what Working hard when young makes Jack where he is at present.

状语when where why how

什么都不缺that whether/if as if/though

主语从句

That he was admitted to Peking University surprised us all.

It surprised us all that he was admitted to Peking University.

1.It is necessary/essential/compulsory/vital/important/strange/natural that……sb （should）

do

2.It is a pity/no wonder/our hope that…

It is a pity that he won’t come.

3.It is said/reported/believed/thought/suggested/estimated that….

It is reported that the earthquake claimed thousands of lives.

=The earthquake is reported to have claimed thousands of lives.

=People report that the earthquake claimed thousands of lives.

Jack was said to be fighting with Tom when the teacher came in.

4.It shows/appears/happens that…

It happens that I met him in the street yesterday.

宾语从句

1.陈述句的语序what is the matter/ which is the way to….

I don’t know what is the matter with him.

I don’t know which is the way to the nearest station.

2.时态

主句为一般现在时，从句改用什么时态就用什么时态

主句为一般过去时，从句需使用与过去相关的时态

He told us that our headmaster would leave our school.

客观事实或者真理，任何时候都用一般现在时

3.形式宾语

Find/think/consider it necessary /essential/compulsory/vital/important/strange/natural 宾

语从句

Make it clear that

We find it necessary that we should learn English well.

Dislike/hate/like it when….

I dislike it when people ask me when to get married.

Appreciate it if…

I will appreciate it if you invite me to dinner.

See to it that （注意）You should see to it that our kids are taken good care of while we are away.

Depend on it that (相信) You should depend on it that I will love you forever.

4.介词后一般不接以that连接的宾语从句，除了in that（由于）和except that

This article is good in general except that there are some grammar mistakes in it.

I was absent from school due to the fact that I was ill. I was absent from school for the reason

that I was ill.

表语从句

The reason (why…..) is that…

The reason why I was absent from school is that I was ill.

The reason that he gave us for his absence from school is that he was ill.

It/that/this is because….

I was absent from school. That is because I was ill.

I was absent from school, which is because I was ill.

That is why….

I was ill. That is why I was absent from school.

I was ill, which is why I was absent from school.

That is where I disagree/you have mistakes/ I have doubts/ the problem lies/I compromise.

----- The rent of our flat will see a rise of 20 percent this year?

------Yes. That is where I have compromised with the flat owner.

Cherishing what you have is where the key to happiness lies.

同位语从句

接在抽象名词“fact,view,evidence,suggestion,word,news,idea,possibility,question, doubt, problem”等后，对其解释说明

He put forward a suggestion that we should have an assistant.

The suggestion that he put forward at the meeting was that we should have an assistant.

She is in doubt whether the policy will be put into practice.

There is no doubt that he will come.

The question when we will begin our winter vacation hasn’t been decided yet.

分隔现象

Word came that the epidemic broke out in Wuhan.

Evidence came up that specific speech sounds can be recognized by babies as early as six months old.

名词性从句中的其它问题

一、主语从句作主语时，谓语动词单复数

1.单个的主语从句作主语时，谓语动词用单数

2.两个主语从句作主语时，谓语动词用复数