谁知道must做“必须”讲时 反义疑问句用needn't 还是mustn't

谁知道must做“必须”讲时 反义疑问句用needn't 还是mustn't must的反义疑问句 是mustn't还是don't must need needn't mustn't的反意疑问句 “must”的反义是不是“mustn't”?为什么“must”开头的句子否定回答是“needn't”? must 提问 ,否定回答 是用 mustn't 还是 needn't? 前面是must的句子,.改成反意疑问句是加mustn't he 还是needn't he He must go填反义疑问句,是写mustn't he 还是does not he 将下列句子改成否定句和疑问句,用can,may,must,can't,mustn't,needn't填空 用must,need以及needn't和mustn't开头的疑问句回答的肯定和否定回答形式是什么? She must……She needn't……反义疑问句用什么? mustn't needn't 用should,shouldn’t,must,mustn’t,needn’t,can’t ,may,have to 填空