-다(가) 보니(까)
as I kept doing …, (I found)
Level 4 · Connective
Explanation
Having kept doing something, you realised something new or reached the current result. Attaches to verb stems; the main clause is past or present.
Examples
한국 드라마를 자주 보다 보니 한국어가 늘었어요.
Watching Korean dramas a lot, my Korean improved.
이야기하다 보니 시간이 이렇게 됐네요.
We've been chatting so long, look at the time.
같이 일하다 보니 친해졌어요.
Working together, we became close.
TOPIK note
TOPIK II Listening 17–24; Reading 1–2.