Translation of "Previously" in Korean

Previously, we were looking at SAT results

SAT 결과를 봤는데

This time, I attended the session, after previously canceling,

그 땐 한 차례 취소한 집단 상담도 참여했는데

And began returning to the social circles I had previously abandoned.

방치했던 인간관계도 챙기기 시작했어요.

What if our glaciers are much more vulnerable than previously thought?

빙하가 생각보다 훨씬 무방비 상태라면 어떻게 될까요?

If each one of this kids was previously using just one straw a day,

전에는 아이 한 명이 하루에 빨대 하나를 썼다면,