Webcouldn't have done是情态动词加现在完成时,表对过去的推测,意思是“本不能做某事,实际上做了”。. 所以看到这个句式,我们就自动将其转换成肯定的语气就很好理解了。. 比 … Web奥风英语. could have done究竟怎么用? 1. 表示主观猜测:即对已经发生动作或已经存在的状态作出主观上的猜测,通常可译为“可能(已经)”,有时需根据具体语境来翻译。. 如:. Tom could have taken the money; he …
may have done用法小结_沪江英语学习网
WebThe expedition was to start in a week’s time. was/ were to have done,表示“本打算”、“本计划”或“本应当”做的事而没有做成或没有发生。例如: I was to have seen him last Wednesday, but he didn’t come. We were to have been married last year. 2.表示“义务”、“应该” 。 Web“could+have+done”是虚拟语气,表示对过去事情的假设,意思是本来能够做某事而没有做。 He could have passed the exam, but he was too careless. 本来他能够通过考试,但是他太粗心。 irm chu nantes
but it can be done - French translation – Linguee
WebAfter financial disasters family members also tend to do whatever they can to help each other and their communities, A 1940 book. 出自-2012年6月阅读原文 What's less clear is whether divorce and separation rates rise in a recession - financial pressures mean couples argue more but make splitting up less affordable. Web6 人 赞同了该文章. should have done只用于谈论过去情况,主要有两个用法:. 用于推测过去已经发生的情况。. 如:. He should have arrived by now. 此时他本该到了。. The letter should have arrived by now. 信现在该到了。. The train should have already left. Web情态动词:can与could的用法详解. 一、表示能力 (1) 表示现在的能力,用can: My sister can drive. 我妹妹会开车。 Everyone here can speak English. 这儿人人会说英语。 (2) 表示将来的能力,通常不用can或could,而用be able to的将来时态: I'll be able to speak French in another few months. irm chv