봤던

In a sentence

• 저는 지난주에 영화관에서 봤던 영화를 정말 좋아했어요.

  I really liked the movie I watched at the cinema last week.

  In this sentence, 봤던 functions as a modifier, describing a past action of watching the movie.

• 그가 책상 위에 두었던 책을 다시 읽고 싶어했어요.

  He wanted to read again the book that he had placed on the desk.

  Here, 봤던 is used to refer to an action in the past, serving as an adjective to specify the book referenced.

• 우리가 길에서 우연히 봤던 사람을 기억해요?

  Do you remember the person we randomly saw on the street?

  In this case, 봤던 adds context about an encounter in the past, modifying the noun 'person'.