Они знают друг друга с тех пор как

Они знают друг друга с тех пор как учатся в университете. Оба помнят как нервничали на вступительных экзаменах, но ни один из них не пожалел выбрав именно этот факультет

Results (English) 1:

They have known each other since attending the University. Both remembered as nervous in the entrance examination, but none of them regretted choosing this faculty

Results (English) 2:

They know each other since studying at the university. Both remember how nervous the entrance exams, but none of them did not regret choosing this particular faculty

Results (English) 3:

they have known each other since studying at the university. both remember how excited in the entrance examination, but none of them regretted choosing this school