던데

Dictionary stem Retrospective Suffix(es) Ending Polite Ending   더 ~라(고)INT 10 | ~더라(고) Retrospective ~ 요   더 ~(으)ㄴ데 From 그런데(but) ~요 ~더~                   Recalling experience the speaker saw, heard, felt firsthand ~던데(요)            1) Refuting, disagreeing (from the original “however” meaning of ~(으)ㄴ/는데) 2) Giving hesitant response that may be not preferred by the listener 3)…