V-던데요 grammar = I saw/felt/surprised that ~express contradiction to one’s speaking or surprise to something
N/A/V-던데요 grammar = I saw/felt/surprised that ~express contradiction to one’s speaking or surprise to something Usage : - The expression -던데요 = -던- (recollection) + -(으)ㄴ데요 (background info, contrast or surprising situation) = express something contradictory to one’s speaking or express surprising …