I have a pencil sharpener 怎样变否定句为什么这样变详细说明

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/16 14:18:59

I do not have a pencil sharpener
I have no pencil sharpener
主语不是第三人称单数,加dont,如 they dont have class.
have之后不能加not,只能加no,如 they have no class,和上面的句子意思一样,只是不同的表达方式
再问：加上have的词性什么的越详细越好
再答：改否定就按这个规则就行了 have 在这儿是动词 .有,拥有 I have a pencil sharpener 我有一个卷笔刀

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