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现在完成时和过去完成时的谓语动词

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现在完成时和过去完成时的谓语动词
这两个时态的谓语动词究竟是连续性动词还是短暂性动词,我弄晕了
现在完成时和过去完成时的谓语动词
这两个时态的基本情况是一样的,只是一个到过去为止,用于宾语从句,而另一个到现在为止.
这两个时态的谓语动词可以是连续性动词或短暂性动词,但短暂性动词不得与表示一段时间的时间状语,包括how long连用.如:
The poor old man has died.
He said the poor old man had died.
We have learnt English for ten years.
He said they had learnt English for ten years.
但下面的句子是不对的.
The poor old man has died for a week.
He said the poor old man had died for a week.
理解请采纳!