You can't eat in hallways.改为祈使句

You can't eat in hallways.改为祈使句 you can’t run in the hallways 改为祈使句 you can't run in the hallways 改成祈使句 You can't run in the hallways.(祈使句) you can't eat in the classroom 改为祈使句 You can't eat food in class(改为祈使句) You can't eat in the classroom(改为祈使句) 将下句子改为祈使句,每空一词 you can't sing loudly in the hallways.___ ___ 将下列句子改为祈使句You  can't  eat  in class.You & You can't eat or drink in the classroom.(改为祈使句） ------------ 把 You can't eat in the meeting room 改为祈使句 "You can't eat anything here."怎么改为否定祈使句?