It is third time she has won the race ,which surprised us all请高手帮我分析下句子结构It is third time she has won the race ,which surprised us all句中有it she两主语这是设么情况本句的前半句属于简单句中的那种形式?

问题描述:

It is third time she has won the race ,which surprised us all请高手帮我分析下句子结构
It is third time she has won the race ,which surprised us all句中有it she两主语这是设么情况本句的前半句属于简单句中的那种形式?