Hellow guys, Welcome to my website, and you are watching 선문대 30초 한국어#13 (-다가 vs -았었다가). and this vIdeo is uploaded by SUNMOON Univ. KLI (Korean Language Institute) at 2023-01-30T23:09:26-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.