도와준

In a sentence

• 그는 어제 나를 도와준 사람이었어요.

  He was the person who helped me yesterday.

  The word '도와준' is used as a modifier, describing the person who performed the action of helping.

• 도와준 덕분에 일이 빨리 끝났어요.

  Thanks to the help, the work finished quickly.

  In this sentence, '도와준' refers to the help received, and the phrase indicates gratitude towards that help.

• 도와준 친구에게 고마움을 표현했어요.

  I expressed gratitude to the friend who helped me.

  Here, '도와준' modifies '친구,' describing the friend by their action of helping.