2 个回答. 是的，是非谓语动词做 后置定语，hull与believe之间是被动关系，所以用 …
二，sb is believed to have done中的done为静态动词be,like…时，该不定式完成式到 …
It is a fact that 事实是. （2）It + be + 形容词 + that从句. It is necessary that 有必要. It …
He was believed to have stolen the money. The house was reported to be in …
这种结构是由 It is known/said/reported/believed that she is …
更多内容请点击：“it is hence believed that ”后是加什么从句。？ - 知乎