The little girl looks pretty,doesn't she?

问题描述:

The little girl looks pretty,doesn't she?
does和is有什么区别?

只要看前面的句子有没有be动词的相应形式(is are was were等)就可以了
如果有,就用它的否定形式(如is变isn't)
如果没有,就用助动词do