가 될지

whether (someone or something) will become or be

→ 가
phrase Rare #26,400
whether (someone or something) will become or be Expresses uncertainty about what someone or something will become or whether they will be something. It follows a noun or other phrase, with 가 serving as the subject marker.
KO: 그 아이가 의사가 될지 궁금해요.
EN: I wonder whether that child will become a doctor.

자네가 뭐가 될지 알겠군

I know what you’re going to become.

— 죽은 시인의 사회 (1989)