It is believed that...这是一个固定句型，it为形式主语，真正主语是that引导的主语从句，且that不能省略，意为“人们相信……”，这种结构常可转换为Sb./Sth. is believed to do.../to have done...( …
在《牛津高阶英语词典》第 7 版的 believe 词条有如下句式搭配和例句： [VN (that)] It is believed that the couple have left the country. 据信那对夫妇已经离开了这个国家。 我没看出这个例句是如何体 …
it is believed that和it believes that的区别为：含义不同、用法不同、侧重点不同。一、含义不同 1.it is believed that 释义：据信，人们认为。2.it believes that 释义：它相信、它认为。二、用法 …
It is said/thought/known/reported/estimated/believed/ (that)是什么意思1.It is said that 据说（＝people say 即大家都这么说）that 后面接一个从句，that …
英语的「It is + 动词被动 + that 」的句型表达的意思都是主动的。如果把这个句型换成“以that从句的主语为主句主语”的被动句，即： It is believed that he have passed the exam. →He is believed to …
更多内容请点击：It is believed that... 类似的结构 - 知乎