That is my aunt.改成否定句

That is my aunt.改成否定句 she is my aunt改成否定句怎么改啊 My,aunt,is,a,teacher.这句话改成否定句,该怎么改呀? His aunt is in BeiJing怎样改成否定句 This is my aunt 怎么改否定句? That is her backpack 改成否定句 That is a UFO.改成否定句 this is my ruler改成否定句 this is my eraser.改成否定句 She is my sister.改成否定句 It is my pencil.改成否定句 1.This is my book.2.That is her father.改成否定句、一般疑问句还有肯定、否定回答.