this is his pencil变一般疑问句.做肯定否定回答

This is his pencil case. this is his pencil变一般疑问句.做肯定否定回答 this is his pencil case 复数句 This is his pencil.(改为否定句) His pencil box is in his schoolbag.(变一般疑问句) 变复数句1.This is my booy2.Is that his uncle3.Is she your friend4.Yes,it is5.This is my pencil case Is this your pencil?Yes ,it is.变复数 It is his pencil shanpener.怎么变疑问句 this is your pencil sharpener.变复数________your___________ This is his pencil-box.改为复数句子怎么改? 将this is his pencil改为一般疑问句 This pencil case is his 改为同义句 1．This is my pencil (变一般疑问句)____ ____ your pencil This is his red pencil改为同义句 （ ）（ ）a red pencil This is his red pencil改为同义句 （ ）（ ）a red pencil. this is your pencil IS this his book?改为复数句 This is my pencil.改为同义句 This is his pencil case改为一般否定句 This is my eraser 改为否定句