had to 与 must have been的区别

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had to 与 must have been的区别

had to 与 must have been的区别
had to 与 must have been的区别

had to 与 must have been的区别
had to强调不得不,有被迫的意思,must have been是主观的必须去做,自愿

had to 是 have to 的过去式,表示的是“不得不”做什么事的意思。
而"must have been"表示某种事情想必一定会怎么怎么样。

Had to 是 have to 的过去时,表示不得不怎么样。例如:我不得不去学校上课--I had to go to school; Must have been 表示非常确定...,如果后面接done,就是你肯定被怎么了,例如:你一定被骗了--you must have been cheated;如果后面接形容词,就表示你一定是怎么了,比如:你一定是疯了--有must have been ma...

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Had to 是 have to 的过去时,表示不得不怎么样。例如:我不得不去学校上课--I had to go to school; Must have been 表示非常确定...,如果后面接done,就是你肯定被怎么了,例如:你一定被骗了--you must have been cheated;如果后面接形容词,就表示你一定是怎么了,比如:你一定是疯了--有must have been mad。

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had to 与 must have been的区别 had to 与 must have been的区别 had to 与 must have been的区别 Jim ______do the housework now.A.must B.have to C.had to D.must have to The doctor suggested that the patient_____an operation without delay.A.must have B.had to have C.had D.have it must be teenagers ___ fun.A.have B.having C.had D.to have every a and every b ---obey the rulesa had to b have to c has to d must have to even if l had known her adress ,l ()time to write to her a.can not have had b.will not have had c.must not have had d.might not have had详解 The streets are all wet .It ___ during the night.A、must be raining B、must have rain C、must have rained D、had to rain ought to should had better must have to 的区别 He doesn't_______get up so early.A.have to B.has to C.had to D.must she ___babysit her sister and help A need to B.must C.have to D.had toshe ___babysit her sister this weekend.A need to B.must C.have to D.had to ____ you ____ to know about the news? A. Do, must B. will ,get C. have, had D. do, have The city at one time_______prosperous,for it enjoyed a high level of civilization.A.had been B.had to be C.must be D.must have been You ___ be more careful next time.A.have to B.may C.must D.had to选什么?为什么? You ____ finish your homework on time.A.has B.must C.have to D.had to He looks tired,he _______ too little sleep.A must have had B must have C must have been He must have not had enough money to get something .这个句子中must have not had是什么语言现象