改成否定祈使句.put it on the desk.turn on the light.sweep the floor

改成否定祈使句.put it on the desk.turn on the light.sweep the floor put this watch on the desk and put that ——on the floor A.it put it on the desk怎样换成否定句 you can put the book on the desk（改成祈使句） turn on the light Can I put the books on the desk?改为祈使句 you can put your bag on the desk 改成祈使句怎么改? you can put your bag on the desk 改为祈使句 You can put yuor bag on the desk.改为祈使句 You put your book on the desk改为祈使句 is it on the desk改成陈述句 Tom is sitting on the desk改为否定祈使句