请问这句话的主语,谓语,跟的什么从句,

题目

请问这句话的主语,谓语,跟的什么从句,
it is surprising to find out how much we like new people when we get to know them

答案

it形式主语
is系动词
surprising表语
（to find out how much we like new people when we get to know them）真正谓语
find out谓语
how much we like new people宾语从句
when we get to know them时间状语从句