it was the third time i was late this week.it was 后面什么用法?

问题描述:

it was the third time i was late this week.it was 后面什么用法?

强调句,句型都是it is(was)然后接上被强调的部分,最后接上剩下的部分

这是一个强调句,通常由it来引导
真正的主语是I was late

过去完成时.

定语从句