온 건가

did ... come?

→ 오다
phrase Rare #26,702
did ... come? A questioning form used when wondering whether someone has come or arrived. The subject may be omitted and understood from context; 온 can also mean “has arrived” depending on context.
KO: 벌써 다 온 건가?
EN: Has everyone arrived already?

벌써 다 온 건가?

Are they all here already?

— 베를린 천사의 시 (1987)