2014年版高考英语否定句语法精讲 2页

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 haven’t forgotten you. ‎ You shouldn’t be so silly.                             ‎ We haven’t been invited yet. ‎ He won’t go, but they will. ‎ Money could not buy happiness. ‎ I like the salad, but I don’t like this soup. ‎ He wants a girl friend, but he doesn’t want to get married. ‎ You didn’t understand what I said, did you? ‎ You needn’t try to explain. ‎ I didn’t use to like opera, but now I’m getting interested. ‎ I usedn’t to like opera, but now I’m getting interested. ‎ ‎2.    祈使句的否定句：Don’t + 动词原形…。 ‎ 例句： ‎ Don’t worry. I’ll look after you. ‎ Don’t believe a word he says. ‎ Don’t 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。 ‎ It’s 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. ‎ It’s working, but not properly. ‎ I believe he will succeed, though not without some difficulty. ‎ not用在I hope; I believe; I’m afraid; I guess; I suppose; I expect之后，构成省略句。 ‎ ‎—Will it snow today ? ‎ ‎—I hope not. ‎ ‎ ‎