语法是英语学习的基础，也是的基础，掌握好英语语法无论是对还是以后的英语学习都是有很大帮助的。下面小编为大家整理了常考知识讲解，一起来学习一下吧!
英语常考知识点讲解：9种否定 1) 一般否定句 I don‘t know this. No news is good news. There is no person /not a person/not any person 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 I don‘t know all of them. I can‘t see everybody/everything. All the answers are not right.(并非所有答案都对。) All is not gold that glitters. (闪光的不一定都是金子。) Both of them are not right.(并非两人都对。) 4)全体否定 None of my friends smoke. I can see nothing/nobody.
Nothing can be so simple as this. Neither of them is right.

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 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