请问这两句英语句子哪一句是正确的?

问题描述:

请问这两句英语句子哪一句是正确的?
She is not a good girl
She does not a good girl
请问两句哪句才是正确的呢?为什么?

She is not a good girl.正确.is是系动词a good girl 是名词短语作表语.does 作为助动词后面要加实意动词构成谓语部分.如:she does not like going to school .