"as if...," seeming like
--> can be directly connected to a verb stem or (형용사/동사)-(으)ㄴ/는, the former of which indicates that the two clauses are the exact same + creates a metaphor, while the latter is more of a guess, 예: 이해하지 못하는 듯이 행동했다, 폭포가 떨어지듯이 눈물을 흐렀다