“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”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的反义疑问句 是mustn't还是don't we mustnˊt be late的反义疑问句?must not有一定不的意思吗? 反义疑问句的一道题– You must do as I tell you.- Oh,I must,__________?A.should I B.ought I C.mustn’t I D.must I为什么?顺便帮我讲一下反义疑问句的知识. He must go填反义疑问句,是写mustn't he 还是does not he He really must go now_________?反义疑问句He really must go now__________?A.must he B.doesn't he C.mustn't he D.must he答案给的是A,可是为什么不是B或C呢? 谁知道must做“必须”讲时 反义疑问句用needn't 还是mustn't我也以为是needn't但是学校给的答案怎么是mustn't呢?是不这个两个都可以用啊 i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?为什么不是mustn't he?i think he can be a teacher反义疑问句是不是i think he can be 关于反义疑问：You must have seen her yesterday,___you A mustn't B haven't C didn't D don't 选C但是这个呢You must have seen her ,___you A mustn't B didn't C must be D A&B 答案给的是D 为什么跟上面的那个题答案不一样呢? must,need,mustn't,needn't的用法? must not 的缩写是mustn’t还是musn’t? must的否定式是musn't还是mustn't Someting must be wrong with your car.为什么反义疑问句是isn't it而不是Mustn't it? MUST反义疑问句问题陈述句中的must表示“必须”时,附加谓语的谓语动词用mustn’t.如：You must work hard to improve your English,mustn’t you?三．陈述句中的must表示“必要”时,附加谓语的动词用needn’t. 添must或mustn't. She mustn't see the film,must she?她不该看这部电影,是不是?这里的must she?为什么是 是不是的意思啊? Something must be wrong with your watch,___?反义疑问句A.isn't B.aren't they C.must it D.mustn't they该选哪个? Chinese must have the largest number of speakers,_______?(反义疑问句）一定不要乱说啊，要有根据的选项：mustn't they ;haven't they ;don't they ;doesn't it