Is this your eraser?(作否定回答）

this is your eraser变成一疑问句并作否定回答 ls this your eraser?做出否定回答 Is this your T-shirt?（作否定回答） is that helen is pencil（作否定回答） a white eraser（对它提问） is this this is tom is eraser.变成一般疑问句并作否定回答 Is this your eraser怎么回答 is,this your son?作否定句回答 Is this your aunt's son?作否定回答 This is your eraser.(真是你的尺子.）《该否定句》 --------- --------- your Is that youe eraser?作否定句回答 This is an eraser( (改为一般疑问句,并作否定与肯定作答） Is this your book?(作否定回答）It is my ID card.(改为否定句）