must / have to有什么区别大神们帮帮忙

must和 have to有什么区别? have to 和must 有什么区别?分别造句xiexie must / have to有什么区别大神们帮帮忙 have to和must意义上有什么区别 have to和must有什么区别大神们帮帮忙 have to 和 must有什么区别吗? must have to区别 must 和must not ,have to 和not have to ,need和not need有什么区别 英文must和have to有什么区别?我知道must是主观,have to是客观. 英语里面这两个词的区别…have to 和 must 的区别有什么? must be和must have be有什么区别谢谢 have to,must时态的差别．时态上有什么区别have to不能和什么时态一起? must have done和have done有什么区别 have to和must的用法有区别么? must和have to的区别我在知道是必须的意思,不过有什么区别啊! 英语中,must have been 和 must have +过去分词,有什么区别如题 must have been doing与must have been done都表示推测,有什么区别呀? must be和must have been有什么区别he must have been sleeping.为什么这里要用must have been而不用must be