his father died when he was young ,when后面是状语从句么

问题描述:

his father died when he was young ,when后面是状语从句么

当然是的啊,就像你在给别人·讲一个故事一样,总是要先说一个时间,典型的例子就是:很久很久以前,在山上有一座庙.