请老师帮我分析一下这句英文的成分和句子结构行吗?

题目

请老师帮我分析一下这句英文的成分和句子结构行吗?
I was asked to speak to the dean.
1,这句话的谓语是was asked吗?
2,那宾语是什么呢?是 to speak吗?
3,主语补足语是asked to speak 还是 to speak?
4,这句话因为出现了系动词was,所以这句话中没有宾语成分?
5,to the dean是状语吗?

答案

谓语是was asked,to speak to the dean是主语补足语,to the dean是状语