一些表示据了解或相信的动词如believe, consider, expect, report, say, suppose, think等可以用于句型It+be+过去分词+that从句或主语+be+过去分词+to do sth.。
有：
It is said that 据了解,It is reported that据报道，It is believed that大伙相信，It is hoped that大伙期望，It is well known that大家都知道，It is thought that大伙觉得，It is suggested that据建议。
例:It is said that the boy has passed the national exam. (=The boy is said to have passed the national exam. )
