The boy is sitting on the tabie 的否定祈使句

The boy is sitting on the tabie 的否定祈使句 The boy is sitting on the table.用stand改成否定祈使句 Tom is sitting on the desk改为否定祈使句 the boy is sitting on a chair The (sick ill)boy is sitting on the chair now. The boy is sitting on his father's k______. There are some pears on the tabie 改为否定句 Tom is sitting on the desk.改为祈使句.____ ____ on the desk ,Tom. Is he sitting on the volleyball?做否定回答 the vase is on the small tabie[改为一般过去时?] jin is drawing on the wall(该为否定祈使句) ________there any ice cream on the tabie?