This sheet puts the five recall forms with -더- (-더라, -더니, -던데, -더군, -던) in one table, so you can share something you saw or felt yourself in the past.
By the end, you can choose the right -더- form to tell someone what you saw or felt yourself in the past. You will also avoid the two most common mistakes: using it for your own actions, and mixing up -던 with -(으)ㄴ.
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