He said that there was a tree lying across the road,and that the telephone lines were down.

问题描述:

He said that there was a tree lying across the road,and that the telephone lines were down.
lying在句子中是进行时还是形容词,为什么放在a tree 的后面.

作为形容词.
lying across the road 整体作为 a tree 的修饰状语.
有很多例子的如:a bird flying in the sky.