1.This is a box.(改为复数形式) this’s a boxs.

This is a box.改为复数形式 this is a box改为复数 1.This is a box.(改为复数形式) this’s a boxs. 1.This is a box.(改为复数形式) this’s a boxs. This is a pencil box 改为一般疑问句 This box is very heary.(改为感叹句) Is this pencil box?(改为陈述句) 改为复句this is my pencil box is this her pencil box?改为陈述句 This is a box of mine 改为同义句This is（ ）of ( )( ) This is a box and that is a knife （改为复数句） This is a pencil box.对a pencil box 提问 This is a pencil box.(对” a pencil box”提问 ) That is a box 改为复数句子 That is a red pencil box.()That is a red pencil box.(改为否定句)____________________________.Is this your baseball?(作否定回答)___________________________. This box is small.改为,同义句.This box __ __. This book is in that box.（改为复数形式） This box is very heavy.(改为感叹句）