be have to是否等于must to

be have to是否等于must to must的否定是否等于don't have to can,can't,must,mustn't,needn't,be allowed to,have to,don't have to的区别 关于have to/must be与don't have to/can't behave to与must bedon't have to与can't be的意思一样,在使用过程中有何区别 I don't have to be bed等于什么啊? I have to study hard.I don't like geography.I must be study harder 1.He ___ Mr.Black.He is taller.(用can't,can't be,must,must be,don't have to,1.He ___ Mr.Black.He is taller.(用can't,can't be,must,must be,don't have to,needn't其中的一个填空,请说明一下选这个词的理由)2.You can _______ the teacher be,must be,can't have been,must have been吗 you didn`t hear my knocking at the door; you______ soundly when i came in答案是must be sleeping 是否应是must have been sleeping 请问have not是否等于don't have 请问have not是否等于don't have don't have to do sth 是否等于don't need to do sth 和needn't do sth A:I haven’t eaten all day.B:You _______ be very hungry.A should B must C have to A:I haven’t eaten all day.B:You _______ be very hungry.A must B should C have to you ___me,because i didn't say that a.must have misunderstood b.must misunderstand c.must be ...you ___me,because i didn't say thata.must have misunderstoodb.must misunderstand c.must be misunderstoodb.had to misunderstand 我选了C,但答案选A, can can't must mustn't have to don't have to的区别 用must,have to填空：We____ be strict with ourselves. why i must we have to be alive? 反义疑问句:you must have studied English for three years,_____?he can't speak English well,____?it must be going to rain tomorrow,______?he must be there now,______?what colors,______?