I clern the board.(改为祈使句)

I clern the board.(改为祈使句) I clean the board.怎么改祈使句? Can I open the door?改为祈使句 Can I put the books on the desk?改为祈使句 如何将“Can I put the books on the desk?” 改为祈使句. I got on board the plane 翻译 I can help you 改为祈使句 You cant eat in the classroom.改为祈使句 ____ ____ i Li Ming and I read English in the morning.(改为祈使句) 改为祈使句1.You mustn't take photos in the museum.._____ ______ i I can put the grape on my head.（改为祈使句） I can wear a hat in the classroom.(改为否定祈使句） ______ _______ a