发布时间：2016-03-21 来源：新东方在线 发布人：Too
A native literacy drama had been created,/its alliance with the public playhouses established,/and at least some of its great traditions had been begun.
主干：A literacy drama had been created and traditions had been begun
its alliance with the public playhouses established 插入语，修饰前半句
at least 状语，修饰and后半句
some of its great 定语，修饰名词traditions