“it +be +过去分词+从句” 结构 你说的“it+be+过去分词+从句”是主语从句.原先，是由宾语从句变来的：They say that he enjoys classic music(宾语从句)-（主语从句）：It is said that he enjoys classic music.分析：It（形式主语）i.
求It is+过去分词+that从句 造句急
it is 过去分词 that 什么意思 那个
it is +过去分词+that sb/sth 涉及到的知识点 这是一个表语从句，example：It is known that the moon goes around the earth.
