My mother is going to visit my grangparents next week.改为一般疑问句,并作否定回答

问题描述:

My mother is going to visit my grangparents next week.改为一般疑问句,并作否定回答
是不是Is your mother going to visit your grangparents next week?如果对,该怎么回答呢?

Is your mother going to visit your grandparents next week?
No,she isn't.