如题所述
would/should + have + 过去分词 这是虚拟语气的一种用法。
would have done :表示对过去事情的假设,意思是“本来会做”。
比如:
I would have told you all about the boy's story, but you didn't ask me. 我本来会告诉你这个小男孩的故事,但是你没有问我。
should have done: 表示对过去事情的假设,意思是本来能够做某事而没有做。含有指责对方或自责的含意。
比如:
Tom, you are too lazy. The work should have been finished yesterday. 汤姆,你太懒惰了,这项工作本来应该昨天就做完的。
would have done :表示对过去事情的假设,意思是“本来会做”。
比如:
I would have told you all about the boy's story, but you didn't ask me. 我本来会告诉你这个小男孩的故事,但是你没有问我。
should have done: 表示对过去事情的假设,意思是本来能够做某事而没有做。含有指责对方或自责的含意。
比如:
Tom, you are too lazy. The work should have been finished yesterday. 汤姆,你太懒惰了,这项工作本来应该昨天就做完的。
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第1个回答 2010-05-22
would have done是过去将来完成时,是一种时态。would是will的过去式。
而should have done的should,有实意,是应该的意思。表示应该做某事却没有做。
而should have done的should,有实意,是应该的意思。表示应该做某事却没有做。
第2个回答 2010-05-21
should have done 表示 应该做而没做
would have done 是过去完成时
would have done 是过去完成时
第3个回答 2020-05-09
都是虚拟语气,should have done比would have done语气强烈一点