died 和has died 和 had died 有和区别啊?

died 一般过去时态,表示过去发生的一动作；have died 现在完成时态,表示已经死了。如果说已经死了多长时间了,如句末有for two years 或 since two years ago 等,则要把have died 改为have been dead 表示是死的状态多长时间了；had died 过去完成时态,表示在过去某个时候,就已经死了。如,When we got there,the old man had died。我们到那的时候,那老人已经死了。祝学习愉快!