when he came back with plent of money,his father had been dead three days before对吗?

问题描述:

when he came back with plent of money,his father had been dead three days before对吗?

不对,后面句子是完成时,所以不能用 before,三天前
应该这样说
when he came back with plent of money, his father had been dead for three days