题目内容：

这句话谓语是什么
What thought I had been but just conceiving of starving myself to death
不好意思，犯了点小错误，原文是
what thought had i been but just conceiving of starving myself to death?
谁能讲讲这个句子的结构啊
这句话是简爱里的，翻译：我不是一直处心积虑要饿死自己吗？维多利亚时代的英文还真是让人抓狂