-(으)ㄹ 게 뻔하다
it's obvious that (it will)
Level 4 · Expression
Explanation
The speaker confidently predicts a (usually bad) outcome from the situation. Vowel or ㄹ stems take ㄹ 게 뻔하다, consonant stems 을 게 뻔하다; past -았/었을 게 뻔하다.
Examples
지금 출발하면 늦을 게 뻔해요.
If we leave now, we'll obviously be late.
공부를 안 했으니 시험을 못 볼 게 뻔하다.
He didn't study, so he'll clearly do badly.
동생은 또 게임을 하고 있을 게 뻔해요.
My sibling is obviously playing games again.
TOPIK note
TOPIK II Reading 3–4 (≈ -(으)ㄹ 것이 분명하다).