有关must的反义疑问句都需要注意什么?

有关must的反义疑问句都需要注意什么? must的反义疑问句 must have done 的反义疑问句怎么说 关于must的反义疑问句,急!We must work hard,____ we?另：当原句中must意为“必须,必要”时,反义疑问句中用什么? must变反义疑问句都怎么变?有几种情况? 关于must的反义疑问句It must have rained last night ,didn't it ? 这一题为什么要用didn't it? must的反义疑问句,在什么情况下不用must反问?拜托各位高手说详细一点. I saw he went into the room.He must be in the room,_____ 反义疑问句这里的反义疑问句填什么? 情态动词的反义疑问句.例如：can、must need 等等 列举几个关于need跟must的反义疑问句~ must的反义疑问句 是mustn't还是don't 关于NEED和MUST还有DARE的反义疑问句用法 she must has been thirty 的反义疑问句 I must come back at five,______?的反义疑问句. you must do it的反义疑问句是什么? 反义疑问句当主语一致时应该注意什么? must have done的反义疑问句must have down的反义疑问句应该用什么?don't,didn't,hasn't,haven't说什么的都有,好像还牵扯虚拟语气请高人给一个系统的讲解,谢谢~~~我会加分的 have 的反义疑问句应该用什么 That's wonderful的反义疑问句什么