That book is new的复数句

That book is new的复数句 This book is new.复数 Is this a book?的复数句 here is your book.的复数句 That is his book.怎么改为复数句 This is my book,and that is his book(改为复数句） That is an English book的复数形式 Whose is that book?的同义句 Is that a book 的同意句. That book is hers.的同意句 That is an English book变成复数 Is that her English book?复数形式 Is that a book改为复数形式 Whose book is that?改为复数形式 That book is his?改为复数形式 whose is that book（变复数） That is my parent 改为复数句 Are those your grandparents 作肯定回答 This is her friend 变为否定句That is your book 改为复数句 This is a book 改为复数句