has dead是什么时态

dead是形容词，没有have dead的表达，只有have been dead，表示处于一种状态，是现在完成时，后面可以接一段时间。

扩展资料

例句：

Her father will have been dead for 10 years by Octobor this year.

到今年十月份，她的'父亲已经去世10年了。

Had he been taken to the hospital in time, he would have been dead!

要不是被及时被及时送到医院，他早就死了。

Im conducting an investigation, but all my leads have been dead ends.

我说，“我展开了调查，可是所有的线索都没有结果。”

The Mesopotamian civilisations, not matter how long ago they started, have been dead for a long time.

不管两河文明起源于多久，很久就已经消亡了。