die的各种形式

　　die的基本含义是“死”，也就是生物失去生命这个动作。有一点需要特别注意的是，它是一个瞬间动词，不能与表示持续一段时间的状语连用，如，不能说：

　　My wife has died for four years.

　　而必须说：

　　My wife has been dead for four years.

　　My wife died four years ago.