你应该7点前到校 翻译

you should get shool before 7 clock

You should be at school before 7 o'clock.

you should get shool at seven o’clock

如果是提醒你应该按时到校，也就是说你还没到
you should be in school before 7 o'clock.

如果你已经到了，是训斥你迟到之类的话
you should have been in school before 7 o'clock.

你应该7点前到校.
中译英为:You should get to school before 7o'clock.