the tomb dating back to the Tang dynasty was broken into five years ago.dating back to =?这是什么语法
问题描述：
the tomb dating back to the Tang dynasty was broken into five years ago.
dating back to =?
这是什么语法
答
动名词短语作后置定语。
答
往前追溯到
答
date back to固定词组,意思是追溯到.
在这里做定语 the tomb （that was）dating.