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hAD to

had to是have to的过去形式, 意思上没多大差别, 只是had to指的是过去, have to指的是现在一般情况。 例如: I have to do my homework now I had to do my homework last night, so I couldn't go shopping with you

have to是情态动词,所以它是有过去式had to的: I had to get there by bus last night.昨晚我不得不坐公交去那。 而have had to显然是它的现在完成时 I have +(have to的过去式)had to: I have had to wait for two hours.我已经不得不等了二...

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"表示有把握地判断某事已发生 ,

从语义上说,这两个表达方式都是表达说话人的判断。前一个的推断、猜想意味浓厚,因为年代久远的事,推断的把握不是很大,用would have had to更为合体;而后一句逻辑性很明显,自然就用would have to。要注意的是,这两个用法的“判断”含义都是...

Why do I do, just as you say 为什么我像你说的这样做 Why must I just, give you your way 为什么我要让你走自己的路 Why do I sigh, why don′t I try to forget 为什么我要叹息,为什么我不试图忘记 It must have been something lovers call...

Why do I do, just as you say 为什么我像你说的这样做 Why must I just, give you your way 为什么我要让你走自己的路 Why do I sigh, why don′t I try to forget 为什么我要叹息,为什么我不试图忘记 It must have been something lovers call...

这句话的意思或许应该这样理解:我们既然希望有人来,就必须等待。这句话或者是在一个背景下说的吧,比如:我们要坚守在这里,不能放弃,我们希望有人来,必须等下去。……所以这里的“had to wait”就应该与“hoped ”并列作谓语。

一个是现在完成时,一个是过去完成时 前者是指在现在已经完成的动作,后置是过去语态下就已经完成的动作

have: [ hæv,həv ] aux. 已经,曾经 n. 吃,从事,得到,雇用,享有,有,允许 v. 有 词形变化: 动词过去式:had 过去分词:had 现在分词:having 第三人称单数:has 例句与用法: 1. I had a letter this morning. 我今天收到一封信。 2. Have y...

歌曲名:It Had to Be You 歌手:Frank Sinatra 专辑:Sinatra: Best Of The Best It Had to be You Michael Buble It had to be you, it had to be you; I wandered around, and finally found - the somebody who Could make me be true, could m...

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