There is a basketball on the desk(改为否定句) There is a ball beh

There is a basketball on the desk(改为否定句) There is a ball beh There is a book on the desk.(改为否定句) There is a light on the desk.【改为否定句】 There is a light on the desk.改为否定句 there is a desk in the room ｛改为否定句｝ under the bed there is a basketball改为否定句 there is a storybook on the desk改成否定句 there is a book on the desk改为复数句 Is there a watch on the desk?改为复数句 There is a photo on the desk.改为负数句 A,there is a computer on the desk改为否定句是什么?一般问句是什么?肯定,否定回答是什么 there in a light on the desk.改为否定句