I know my all calculus hws when I study first class.这句话对么?

问题描述:

I know my all calculus hws when I study first class.这句话对么?
当我第一天上课,我就知道我全部微积分的作业.

从你给出的句子,判断应该过去时
I got all my homework of calculus hwswhen I had my class at the first day.