it is possible that she is late?这个句子是倒装句呢,还是属于宾语从句?

题目

it is possible that she is late?这个句子是倒装句呢,还是属于宾语从句?
It is important for us to learn English.那这句话呢？是属于什么类型的句型?这个 to 能不能去掉。

答案

两个it都是形式主语.真正的主语分别是that she is late(主语从句)和to learn English(不定式作主语）.