Usages of bannaphada
도서관 책은 직접 제때 반납해야 해.doseogwan chaegeun jikjeop jettae bannaphaeya hae.
You must return library books yourself on time.
어제 빌린 소설을 오늘 아침에 반납했어.eoje billin soseoreul oneul achime bannaphaesseo.
I returned the novel I borrowed yesterday this morning.
Elon.io is an online learning platform
We have an entire course teaching Korean grammar and vocabulary.