That is my pen的否定句

That is my pen的否定句 that is my pen 改为否定句 this is my pen 改为 一般疑问句 this is your pe That is hie pen(改为否定句) That is her pen.改为否定句 my father has a pen .改为否定句 that is a big apple 改为否定句,句意不变 This is a pen ,That is her book怎么改成否定句 These are my sisters怎 That is his pen.(改为否定句） Is that pen jack? 用肯否定句回答 my pen pai is from China(改为否定句) My pen is blue.(改为否定句） That is my uncle.改为否定句 That is my notebook.(改为否定句)