It's her schoolbag.改为一般疑问句

It's her schoolbag.改为一般疑问句
It's her schoolbag.改为一般疑问句

It's her schoolbag.改为一般疑问句
Is it her schoolbag?

一般疑问句 把be 动词移到句首
所以
Is it her schoolbag?

Is it her schoobag?