you must be right 否定句
句:You must (be joking).
i think you are right.否定句
You must wait.(怎么改否定句)
You must stop.改成否定句
You must wear uniforms.改否定句
You must pick the flower(否定句)
must的否定句?A large hole must be dug.(否定句)A large hole ______be
you may be right 同义句是什么?
You must leave here right now.(同义句转换)
Tom must be in his room.(改为否定句)
句型转换:It must be SARS.(变否定句)
It must be a spaceship(改为否定句)