-던가 [의문·의심] whether it was (observed to be or happen)
(did you notice) was it?
(did you hear or find) was it?ㆍ 그걸 어디에 두었던가 Where did I leave it?ㆍ 그것이 길던가 짧던가 Was it long or short?ㆍ 그래 제주도는 어떻던가 How were things at Cheju Island? / How did you like Cheju Island?ㆍ 그가 그렇게 말하던가 Did he say so?ㆍ 내가 왜 그리 했던가 후회됩니다 I have come to worry over why I did that