1. It is estimated that 80% of all conversation in English is small talk.据估计80% 的英语会话是聊天。It is estimated that…据估计…。it为形式主语。真正的主语是that引导的从句。
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1、1111. It is estimated that 80% of all conversation in English is small talk.据估计80% 的英语会话是聊天。 It is estimated that据估计 it为形式主语, 真正的主语是that引导的从句类似的结构还有:It is said that 据说It is known that 众所周知It is thought that人们认为It is believed that人们相信It is hoped that人们希望It is reported that据报道It is suggested that人们建议2. Imagine a situation where two strangers are talking to each other after someone they both know has left the room. 。