请帮我判断这个英语句子的是对是错！

错的，应改为：Is she your grandmother? 或Is he your grandfather?
此类句子改疑问句应把be动词提前

正确.口语体中经常这样用.

Is she your grandmother?

正确

对的

错错！错！错！错！pp错！错！p错！错！错！错！错！错！ppp错！错！错！错！pp错！错！p错！错！错！错！！错！