Written in a hurry,the paper is full of mistakes.这是一个过去分词短语做原因状语的句子------written in a hurry 是过去分词短语,做原因状语.因为write的动作与句子的主语paper之间是被动关系,所以用过去分词.
这个过去分词短语,其语法功能与原因状语从句Because it is written in a hurry相当..