i think that he is right 的被动语态

题目

i think that he is right 的被动语态
我的答案是：it is thought that he is right,这个是怎么见过来的啊?怎么成了It is thought that...有人认为了呢.,不懂

答案

It 是形式主语,后面that引导的从句才是真正的主语.所以调换过来就是that he is right is thought by people/me/等等.但是如果这样说的话就让人觉得这个句子头重脚轻(主语太长),所以借用it这个形式主语就成为习惯用法...