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带否定词not的否定句
作者:HLEN    文章来源:本站原创    点击数:    更新时间:2009/3/10    
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带否定词not的否定句

 

1. 在含系动词be、助动词be, have, has, will, would, shall, should等之后直接加not,构成否定。如:

(1) He is there. He is not there. 他不在那儿。

(2) I have finished my work. I have not finished my work. 我的工作还没完成。

(3) She will agree with you. She will not agree with you. 她不会同意你的意见。

2. 否定含情态动词的句子:

a. 在情态动词can, could, may, might, must, need, dare, had better, would rather的句子之后直接加not。如:

(1) He can say so. He can not say so. 它不会那样说。

(2) Students must smoke. Students must not smoke. 学生不允许抽烟。

(3) Youd better go there now. Youd better not go there now. 现在你最好不要去那里。

(4) Id rather tell you the truth. Id rather not tell you the truth. 我倒想不告诉你真相。

(5) He dared ask his parents for money again. He dared not ask his parents for money again. 他不敢向父母亲要钱。

b. 在含情态动词ought to的句子,在ought to中的to前面加not,构成否定句。如:

(1) You ought to bother him. You ought not to bother him. 你不应该去麻烦他。

(2) You ought to waste your time. You ought not to waste your time. 你不应该把时间浪费了。

c. 在含情态动词used to的句子,可在used to中的to前面加not;也可在used前面加 did not,同时将used 改为use。如:

(1) He used to smoke in the past . He used not to smoke in the past. 他过去不常抽烟。

(2) He used to live here. He did not use to live here. 他原来常不住这里。

d. 在含情态动词have / has / had  to的句子,在have / has / had to前面加do not的适当形式, 同时将has / had 改为have。如:

(1) You do have to stay here after school. You do not have to stay here after school. 你不必放学后还呆在这里。

(2) He had to go to work yesterday. He did not have to go to work yesterday. 他昨天不必去上班。

3. 对于不含系动词be、助动词或情态动词的句子,则在谓语动词前加do not的适当形式, 同时将原谓语动词改为原形。如:

(1) He likes classic music. He does not like classic music. 他不喜欢古典音乐。

(2) She played table tennis yesterday afternoon. She did not play table tennis yesterday afternoon. 她昨天下午没有打乒乓球。

 

 


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