知识清单(十一)用it作形式主语的常用句型It is no use doing sth. 做某事没用It is no good doing sth. 做某事没好处It is fun doing sth. 做某事有趣It is a fact that . 事实是It is a pity/shame that . 可惜/遗憾的是It is a wonder that . 真是个奇迹It is no wonder that . 难怪It is said that . 据说It is reported that . 据报道It is estimated that . 据估计It is supposed that . 据推测It is assumed that . 假定It is hoped that . 人们希望It is believed that . 人们相信It is suggested that . 有人建议It is thought that . 大家认为It is wellknown that . 众所周知It is agreed that . 大家同意It is announced that . 据宣布It is necessary that . 有必要It is clear that . 很清楚的是It is obvious that . 很明显It is possible that . 是可能的It is likely that . 可能是It is impossible that . 是不可能的It is surprising that . 令人惊讶的是It is important that . 重要的是