Is this your book?(改为否定句)如题

改错：is this book your? This is ( ) book.your|yours Is this your m( )book This is a Engilsh book.改病句 is this book ,too改病句 this book is mine book.哪里错了?怎么改? _____me,is this your book,Tom? Is this your book ? 变为复数句 Is this your book?的肯定回答 is this your book?(肯定回答) Is this your book 怎样回答 is this your book?的同义句 Is this your book 改成同义句 Is this your book?( ),it's( ) is this your book?聊英语 This book is ( )? 填Your还是Yours? This book and this bookmark is for Mingming怎么改 It's this your pencil? -Yes,itis. It's that you book? -Yes,it is 错误 怎么改