부른

부른

"부른" means "called" or "sung," depending on the context.

In this sentence, '부른' is used to describe the action of 'singing' done by 'the person', thus it is a modifier for '사람'.

그 노래를 부른 사람이 누구인가요?

Who is the person who sang that song?

Here, '부른' represents the quantity or effort of singing that 'he did', relating to a comparision in action.

그가 부른 만큼 불러 보세요.

Try singing as much as he sang.

In this sentence, '부른' specifies the song that 'was sung' at the presentation, modifying '노래'.

발표회에서 부른 노래가 너무 감동적이었어요.

The song sung at the presentation was very moving.