学好英语并非是三两天的事，学习过程中掌握方法很重要。下面是小编给大家分享的四级语法知识，大家可以作为学习的参考。

否定句

1) 一般否定句

I don’t know this. No news is good news.

There is no person (smoke)/not a person/not any person (smoke) in the house.

2)特指否定

He went to his office, not to see him.

I am sorry for not coming on time.

I don’t think/believe/suppose/feel/imagine you are right.

3)部分否定

All the answers are not right

All is not gold that glitters

I don’t know all of them.

I can’t see everybody/everything.

Both of them are not right.

4)全体否定

None of my friends smoke.

I can see nothing/nobody.

Neither of them is right.

Nothing can be so simple as this.

5) 延续否定

You didn’t see him, neither/nor did I.

You don’t know, I don’t know either.

He doesn’t know English, let alone/to say nothing of/not to speak of (更不用说) French.

6) 半否定句

We seldom/hardly/scarcely/barely hear such fine singing.

I know little English. I saw few people.

7) 双重否定

You can’t make something out of nothing.

What’s done cannot be undone.

There is no sweet without sweat.

No gain without pains.

I can’t help /keep/ laughing whenever I hear it.

No man is so old but (that) he can learn.

8)排除否定

Everyone is ready except you.

He did nothing but play.

But for your help, I couldn’t do it.

9)加强否定

I won’t do it at all.

I can’t see it any more.

He is no longer a boy.

以上就是小编给大家分享的英语四级语法知识，希望可以给大家在备考的时候带来帮助。