这个问题中dei应该是一个拼写错误，正确的拼写是die。die这个英语单词是“死”的意思，这是一个规则动词，以e结尾，所以它的过去式和过去分词都是died。

如：His father died two years ago. 他的父亲两年前死了。When people got to his home， he had already died.