He may be in the classroom,isn't he 这句子对吗?不对怎么改,改成must be

He may be in the classroom,isn't he 这句子对吗?不对怎么改,改成must be He must be in the classroom ,___he? He must be in the room.改成反意疑问句怎么改? He may be in the classroom at this moment.(改成同意句) i think he may be in the classroom. No , he () be there. i s He must be ill ,for he isn't here. He must be playing computer games at home,isn't he,为何用isn't He must be in the library now,________? A. doesn't he B.must He may be in the classroom at this moment.（用a moment ago改写） 模仿例句改写句子.Example:He must be in the office.→He must have been 请分别把下面两个句子改成另一个同义句Maybe he is happy ;Sam may be in the libra He isn't in the school ,I think he ___ be ill .