has died是什么时态

　　The old boy next door has died.

　　隔壁的老头去世了。

　　Many women are left as the sole providers in families after their husband has died

　　许多女人在丈夫去世之后只好独自供养一家人。

　　Once the fire has died out, the salvage team will move in.

　　一旦大火熄灭，救援小组就会马上进入。

　　Mary Martin has died at her home in California at the age of seventy-six.

　　玛丽·马丁76岁时卒于加利福尼亚家中。

　　Dig it up once the foliage has died down.

　　叶子掉光后就把它挖出来。

　　It is likely that they would go into hiding for a few weeks, and resurface when the publicity has died down.

　　他们很可能会躲藏几个星期，等风声过了以后再露面。