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關閉窗口 帶否定詞not的否定句
1. 在含系動詞be、助動詞be, have, has, will, would, shall, should等之后直接加not，構成否定句。如：
(1) He is there. — He is not there. 他不在那兒。
(2) I have finished my work. — I have not finished my work. 我的工作還沒完成。
(3) She will agree with you. — She will not agree with you. 她不會同意你的意見。
2. 否定含情態動詞的句子：
a. 在情態動詞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. 它不會那樣說。
(2) Students must smoke. — Students must not smoke. 學生不允許抽煙。
(3) You’d better go there now. —You’d better not go there now. 現在你最好不要去那里。
(4) I’d rather tell you the truth. — I’d rather not tell you the truth. 我倒想不告訴你真相。
(5) He dared ask his parents for money again. — He dared not ask his parents for money again. 他不敢向父母親要錢。
b. 在含情態動詞ought to的句子，在ought to中的to前面加not，構成否定句。如：
(1) You ought to bother him. — You ought not to bother him. 你不應該去麻煩他。
(2) You ought to waste your time. — You ought not to waste your time. 你不應該把時間浪費了。
c. 在含情態動詞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，同時將used 改為use。如：
(1) He used to smoke in the past . — He used not to smoke in the past. 他過去不常抽煙。
(2) He used to live here. — He did not use to live here. 他原來常不住這里。
d. 在含情態動詞have / has / had to的句子，在have / has / had to前面加do not的適當形式, 同時將has / had 改為have。如：
(1) You do have to stay here after school. — You do not have to stay here after school. 你不必放學后還呆在這里。
(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. 對于不含系動詞be、助動詞或情態動詞的句子，則在謂語動詞前加do not的適當形式, 同時將原謂語動詞改為原形。如：
(1) He likes classic music. — He does not like classic music. 他不喜歡古典音樂。
(2) She played table tennis yesterday afternoon. — She did not play table tennis yesterday afternoon. 她昨天下午沒有打乒乓球。
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