My mother is not the office变一般疑问句

My mother is not the office变一般疑问句 this is the teachers'office.变一般疑问句. this is my grand mother?变一般疑问句 把my mother is cheaning the room改为一般疑问句 The blackboard is not black怎么变一般疑问句 this is my mother.改成一般疑问句?咋改?提示:"my变your is提前 My dictionary is in the backpack.变一般疑问句 my picture is above the bed怎么变一般疑问句 our teacher's office is on the third floor.(变一般疑问句） My mother is tall .(改为一般疑问句) This is my mother 变为一般疑问句 she is my mother 改为一般疑问句