This is a pen ,That is her book怎么改成否定句 These are my sisters怎

This is a pen ,That is her book怎么改成否定句 These are my sisters怎 That is her book 怎麼改疑问句还有回答(Yes/NO).These are my sisters怎麼改疑 This is her pen.同义句 Is that her map 改为复数句子 These are my boxe 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. This is my friend 和 These are my sist 改成否定句怎么改啊,急... That is her pen.改为否定句 two is and these my sisters my that brother are 把this book is the same as that one改成否定句,怎么改 初一英语改成一般疑问句This is a pen.Those are my English books.作否定回答Is This is her book怎么改为否定句 that is my pen 改为否定句 this is my pen 改为 一般疑问句 this is your pe IS that her book. 改为否定句