Must变为否定句，通常变为don't/doesn't have to 或者don't/doesn't need to或needn't do或can't.
因为must的否定形式mustn't意思已经变为'千万别'，不再表示不必须的意思了。。。
请采纳，谢谢~
含有情态动词must的句子变否定句怎么变
Must变为否定句，通常变为don't/doesn't have to 或者don't/doesn't need to或needn't do或can't.
因为must的否定形式mustn't意思已经变为'千万别'，不再表示不必须的意思了。。。
请采纳，谢谢~