should have had和must have had

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 07:10:16

should have had和must have had
Henry was deported for having an eapired visa.He ___ his visa renewed.
A:should have had B:must have had C:might have had D:would have had
这句话怎么翻译?

A
解析：A should have done 本应该做却没有做
B must have had,表示对过去事实的肯定猜测,通常翻译为：一定是.
C might have had表示对过去事情可能的推测,不肯定
D would have had 过去将来完成时.表示在过去将来某一时间以前发生的动作,
并往往会对过去将来某一时间产生影响
　I thought you'd have left by this time.我想这会儿你已经走了.
翻译：Henry 因为签证过期被驱逐出境.他本应该早点更新他的签证.
再问：那这个是什么时态？
再答：这是虚拟语气表示对过去事实的虚拟。
再问： ABCD选项都是虚拟语气是吗？
再答： BC都是表示猜测，不是虚拟 D可用于虚拟语气，但是此处不是。因为D不符合意思
再问：也就是说would have had也是过去将来完成时，也可用与虚拟语气对吗？那D选项是什么意思？
再答：对，如果用于虚拟语气时，与过去事实相反的假设，然后条件句使用过去完成时，主句使用 would/should have done If he had come yesterday, I should / would have told him about it.如果他昨天来的话，我会把这件事告诉他的。如果表示过去将来完成时，上面有讲到，意思就是表示在过去将来某一时间以前发生的动作，并往往会对过去将来某一时间产生影响　I thought you'd have left by this time.我想这会儿你已经走了。

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