用could+have造句
could have done与could do区别
could have done与could do区别 因为是已经过去了的事情，所以用could，而非can；因为是完成了的事情，是完成时，所以要用have。简单地说因为是上个星期，而且是事情已完成，用过去完成时！ 另一种解释：这是without引导的隐蔽形虚拟语气,和过去事实相反的,用could+现在完成时。could have done和...
could have done与could do区别
could 用在过去 不能表示推测的含义 只能表示过去的能力 talk about genuine abilities in the past could have 是表示推测 talk about possibilities in the past 或者是能力，这种能力表示针对单件具体的事情的能力, 并且是推测中的能力，并没有真实发生。i could swim，过去发生的 反复发生的能力...
could have been done ,could have done各有什么意思
could have done什么意思 could have done 本来能做成的（却没做成） 双语例句 1. But we could have done it all so much better. 但是，我们本可以把这一切做得更好。 2. If you do a good job, you may tell yourself that it wasn’t good enough or that anyone could ...
should have done与could have done有什么区别?
二者都是虚拟语气，区别在于含义的不同。1、should have done意为“过去本应该做某事却未做。”，表达一种责备或内疚的语气。2、could have done意为“过去本能够做某事却未做。”，表示对过去事情的假设。3、could have done还可以表推测一般用在否定句和疑问句中，表示不相信或怀疑的态度。4、表示...
could have done 什么意思 怎么用
1、意思：could have done：本来可以的。2、用法：could have done 表示过去本来有做某事的打算或意图，但实际上没有实现，通常译为“本来可以”。例句：I could have lent you the money. Why didn’t you ask me?我本来可以借这笔钱给你的。你为什么不向我提出？could have done 读音：英 [k...
could have\/might have \/must have\/should have都有什么区别
2. can（could）have done表示对过去的时间内可能发生的事情的猜测，can have done 一般只用于否定句和疑问句。could have done 还可以用于肯定句，常用来表示本来可能完成而实际未完成的动作。例如： He can't have ...
could have 怎么连读
可省略have里边的[h]音，形成连读 类似的，如out of here,中的here也可以省略[h]这个音标，从而连读。
英语语法问题could\/shouldhavedone用法
解释：1. could have done的用法：could have done是过去虚拟语气中的一种形式，用来表达过去可能完成而实际未完成的动作。这种结构暗含有一种对过去情况的猜测或推测。例如，“You could have finished your work yesterday, but you didn't.”这里的“could have finished”表示对过去未完成动作的推测...
should have done和could have done的区别
should have done和could have done的区别为：一、指代不同 1、should have done：本应该。2、could have done：本可以做到的。二、侧重点不同 1、should have done：表达一种责备或内疚的语气。2、could have done：表示对过去事情的假设。三、引证用法不同 1、should have done：在表示意向、要求...
could 和 could have 的一个疑问?
都可以，只是你想表达的实际意义有点区别。 i could buy a car. 这是说你以前有能力买一辆车，i could have bought a car. 你说这句话的时候，有两种情况。一种就是平常的 i could have bought a car(at a specific point of time in the past but i didn't). 这句话有括号里的这种...
栖霞区血平回答： “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,但是他太粗心疑问句:①Could you have done the exercises?你可能做完练习吗? 否定句②They couldn't have finished the work so soon.他们不可能这么快就做完了.
抄平15670512156问： 主语+could+have+过去分词,有这样的句型吗?请举例!是否能定义为过去将来完成时? - ？
栖霞区血平回答： 这是虚拟语气,本可以怎么怎么样...(实际没怎么怎么样),多数带有惋惜的色彩...例如:I could have done it better.我本可以做得更好.
抄平15670512156问： could+have+done的例句和could not+have+done的例句讲语法有点不懂,举个例子 - ？
栖霞区血平回答：[答案] could+have+done和could not+have+done是两个概念 1、Could have done = would have done 表虚拟语气i.e:He would not die If I COULD HAVE HELPED him.如果当时我能帮助他,他就不会死.(COULD HAVE HELPED可以和WOULD HAVE ...
抄平15670512156问： 英语举例子! - ？
栖霞区血平回答： I must study hard. I can't do that for you. I am having lunch now. He may be swimming in the pool. She might be doing her homework. My computer went wrong yesterday. He could have saved the money for himself. The homework could have been done earlier.
抄平15670512156问： could have done与would have done 的区别是什么?？
栖霞区血平回答： 答:同学你好,请看他们的区别 “would+have+done”虚拟语气,表示对过去事情的假设,意思是“本来会做”. 1. I would have told you all about the boy's story, but you ...
抄平15670512156问： 用have造问句,并用no回答 - ？
栖霞区血平回答： 一、have作实意动词.1.表示“有”的意思.Look, I have wings, just like you. (JBⅤL1) He had fair hair and blue eyes. (JBⅥL2) 〔注1〕:其否定和疑问形式变化,在美国通常用助动词do.〔注2〕:在英国口语中常用have got代替have.Look...
抄平15670512156问： 小学英语连词成句,could,have,book,I,an,english? - ？
栖霞区血平回答： Could I have an English book? 我能有一本英语书吗?希望能帮到你,祝更上一层楼O(∩_∩)O 有不明白的请继续追问(*^__^*)
抄平15670512156问： 用could造句要短的 - ？
栖霞区血平回答： He can ride a bike now, but he couldn't a few weeks ago.他现在能骑自行车了,但几星期前他不会. · A poor boy like me couldn't go to school.象我这样的穷孩子上不了学. · When my father was young he could run fast.我父亲年轻时能跑得...
抄平15670512156问： catch sight of用could have done造句 - ？
栖霞区血平回答： When i was passing the central park,I suddenly caught sight of an old friend of mine.当我经过中心公园时,我突然看到我的一位老朋友.If it were not for your help,I could not have finished the work.如果不是你的帮助,我当时本来就不可能完成这项工作.祝你开心如意!
