없을 텐데

there probably isn't; there probably won't be

→ 없다
phrase Rare #19,034
there probably isn't; there probably won't be Used to express an expectation or assumption that something does not or will not exist, often with an implied concern, contrast, or suggestion. The sentence may end with this phrase when the rest is understood from context.
KO: 지금 가면 자리가 없을 텐데.
EN: If we go now, there probably won't be any seats.

짐승이 당신 에게 문제 적은 없을 텐데

This beast has probably never been a problem for you.

— 내 어머니의 모든 것 (1999)

시간이 없을 텐데

You probably don't have much time.

— 화양연화 (2000)

확인해 봐, 마갈리 남은 없을 텐데

Check, Magali. There probably aren't any rooms left.

— 언터처블: 1%의 우정 (2011)