英语提问：对下列句子进行结构分析,非常感谢!

We主语 find谓语 cats宾语 endlessly fascinating 宾补because we feel there is a good deal we do not know aboutg their lives原因状语从句
再问： 麻烦详细分析原因状语从句because we feel there is a good deal we do not know aboutg their lives
再答： because引导词 we 主语feel系动词（ there主语 is 系动词a good deal表语 定语从句we do not know aboutg their lives）表语从句