This is her book的复数形式

This is her book的复数形式 Is this a book?的复数句 This book is new.复数 is this her book?回答 is this her bike.复数 Is that her English book?复数形式 it is her book复数形式 this book is mine的复数形式是什么 Is this a book?的复数形式是什么?3Q This is a book 改为复数句 this is a book改为复数形式 Is this your book ? 变为复数句 写出下例句只的复数形是 That is my book Is this your cousin?、 Is she your friend? Him,this,her的复数? 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 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？ This is her brother.改为复数句子 This is her baby.改为复数形式