haveended是什么时态

have ended是主动语态的完成时态，意思是句子的主语 “已经结束” 了， ended 所带的宾语，例如

He has ended his song (他已经结束他的歌声)。

I should have ended the relationship long ago.

我本该在很早以前就结束这段关系。

And how much will it have ended up costing us?

那现在我们要花多少钱？

Without your timely help, our plans would have ended in failure.

没有你的及时帮助我们计划就要失败了！

We have ended all US flights from the base.

我们已经停止了美军在这个基地的所有飞行任务。

They would have ended up together?

他们能走到一起吗？