麻烦分析一下句子的成分.

问题描述:

麻烦分析一下句子的成分.
1 It was a scene of comfort and luxury he could hardly have imagined.
2 He found his greatest academic success in his science courses.
3.It angered me that such a wonderful drug would continue to be outlawed.
麻烦给分析一下句子成分
还有几个问题就是:
第一句 it was a sence of...是什么结构
第二句中的academic success怎么理解第三句中的It angered me that...是什么结构?

第一句是强调句
第二句他发现最好的科目是理科
第三句 是 it做形式主语