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肯定句变否定句

更新时间: 2021-06-05 00:40:06     

1、如果谓语中有情态动词、助动词或be,直接在它们后面加not构成否定句。

I can not dance. 我不会跳舞。

He will not go there. 他不会那里。

I am not a teacher. 我不是教师。

注意:若谓语中不止一个助动词、情态动词或be时,在第一个后加not。如:

He has not been to Japan. 他没有去过日本。

2、如果谓语中没有情态动词、助动词或be,在动词之前加do not (一般现在时第三人称单数用does not,过去时用 did not,并将原来的谓语动词改为原形) 。

You don’t look well today. 你今天气色不好。

She does not know what to do. 她不知道做什么。

I didn’t do morning exercises today. 我今天没做早操。

关键词: 肯定 否定

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