This is my book.(改为复数形式) There is a nice cat in the tree.(改为复数形式)Those are rulers.(改为单数形式)

this is my book.改为一般疑问句. This is my book改为同义句 this is my book（改为复数句） this is my book帮我改为复数句 this is my English book.改为否定句 This is my English book.改为特殊疑问句 This is my English book.改为一般疑问句 this is my English book.(改为同义句） this is my book（改为否定句） This book is my brother's改为同一句 IS this his book?改为复数句 This is my pencil.改为同义句 句型转换 1.This is my book.My book is on the desk .(改为定语从句) The book ()()()()() is mine. This is my English book my English book 改为一般疑问句 This book is mine的同义句不是this is my book原题是：this book is mine（改为同义局） this book ( ）（ ）（ ） This is my book.改为一般疑问句 （ ）this（ ）bookThis is my book.改为一般疑问句（ ）this（ ）book? This is my book and that is your book.（改为同义句） This is my book,and that is his book(改为复数句） this is my English book.改为否定句 ____ ____ my Englithis is my English book.改为否定句____ ____ my English book.