一个长句 ,求成分分析
问题描述：
一个长句 ,求成分分析
I found out that perennial and fundamental laws governing the art of good writing had been discovered.
答
I found out that perennial and fundamental laws governing the art of good writing had been discovered.I 主语found out 谓语 一般过去时态that...that 及其后为that引导的宾语从句（perennial and fundamental...