IS that her book. 改为否定句

IS that her book. 改为否定句 That is my book.(改为一般疑问句）that book? Is that her English book?复数形式 maybe that is her book 的同义词 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 That is my book改为一般疑问句 Is that your book?改为同义句 Is that a book改为复数形式 Whose book is that?改为同义句 Whose book is that?改为复数形式 That book is his?改为复数形式 How much is that book?改为两意句 Is this your pencil?改为陈述句+复数Is this my pen?Is that his book?Is that her eraser?还有这几个？ That is her pen.改为否定句That her pen. That is her ruler改为同义句 That is her eraser.改为一般疑问句 that is her friend.改为一般疑问句 That is her eraser改为否定句