WebSep 19, 2024 · could have done ,表示:①对过去某种情况的怀疑或者是不确定(情态动词推测用法);②过去本来可以做某件事,但是实际上却没有做(虚拟语气用法). … Web本来可以去做某事而没做 could(语气委婉)/can(正式) have done 本应该去做某事而没去做 should have done 本打算去做某事而没有做 would have 诸如此类的还有很多 must have done 还有他们的否定形式 cannot have done本不可以去做某事且没做成 情态动词+have+done 表示 本来怎么怎么样而没有实现 解析看不懂? 免费查看同类题视频解析 查 …
虚拟语气would/could/should/might have done 之间的区 …
WebApr 18, 2024 · should表示有一定的依据作这种推测。信心程度低于用must。could表示这种可能性是存在的。说话人的信心程度低于用must 和 should. should/could have done还 … WebYou could have been a little more considerate. 你本可考虑得更周到些的。 You could ask me before you use my phone. 你打电话之前可以问我一声。 You could have helped me why did you just sit and watch? 你本可帮助我的,为什么只坐在一旁瞧着? ③ 表示“差点儿就要”: I could have died laughing. food on 9th street durham
【秒懂语法】情态动词+have done总结 - 知乎 - 知乎专栏
WebJan 16, 2024 · 英语情态动词是“助动词”的一种,所以跟助动词一样,它们会 与其他动词一起使用,并能为句子赋予新的含义 。. 例如,它们可以改变主动词的时态,或是表达对于某件事的许可,或者表述某件事的可能性或必要性。. 常见的英语情态动词有:. Can. Could. Will ... WebC:they did not have enough money to invest. D:the number of people living in the states was not large sufficiently. ... 2、Tom regards Dalian as his second _____ because he has been here for over ten years. A:family. B:house. C:room. D:home. 答案:D. ... 驾照c1和c2的区别; WebMar 27, 2015 · The simple answer is that both "could be" and "could have been" express some possibility or potential. "Could be" is used for potential future events:. If I invest in the right stock, I could be rich! "Could have been" is used for potential past events, or ongoing events up to the present moment:. If I had invested in the right stocks back in the 1980's, … food on a budget reddit