Ofen it happens that she comes late on Monday.中的often修饰的是it形式主语吗?that引导的是什么从句
问题描述：
Ofen it happens that she comes late on Monday.中的often修饰的是it形式主语吗?that引导的是什么从句
答
it是指she comes late on Monday.
可以理解成,Often she comes late on Monday.