1、高考英语语法专讲：否定句否定句 一.概念 否定句指否定陈述句的句子. 二.相关知识点精讲 1.用not构成的否定句：主语 + 助动词/ be + not + 例句： He is not back yet. It is not true. We havent forgotten you. You shouldnt be so silly. We havent been invited yet. He wont go, but they will. Money could not buy happiness. I like the salad, but I dont like this soup.
2、 He wants a girl friend, but he doesnt want to get married. You didnt understand what I said, did you? You neednt try to explain. I didnt use to like opera, but now Im getting interested. I usednt to like opera, but now I m getting interested. 2. 祈使句的否定句：Dont + 动词原形。 例句： Dont worry. Ill look after y
3、ou. Dont believe a word he says. Dont be so rude. 3. 非谓语动词（不定式，分词，动名词）的否定式：把not放在to do; doing; 的前面。 Its important not to worry. He said he deeply regretted not being able to help. Not knowing what to do, Shelly asked advice of her friend. He reproached me for not having told it to him. 4. not与除谓语以外的其他句子成分连用： Come early, but not before six. Its working, but not properly. I believe he will succeed, though not without some difficulty. not用在I hope; I believe; Im afraid; I guess; I suppose; I expect之后，构成省略句。 Will it snow today ? I hope not.
