Used to express assumption or speculation about something, whether or not they know anything about it.
Used only for rough guesses, where you have no reason to assume what you're saying.
(으)ㄴ/는/(으)ㄹ걸(요)
Conjugation
| Past (denial) | Past (guess) | Present (denial) | Present/Future (guess) | ||
|---|---|---|---|---|---|
| AV (V) | 가다 | 갔는걸요 | 갔을걸요 | 가는걸요 | 갈걸요 |
| AV (C) | 먹다 | 먹었는걸요 | 먹었을걸요 | 먹는걸요 | 먹을걸요 |
| Hada | 하다 | 했는걸요 | 했을걸요 | 하는걸요 | 할걸요 |
| DV (V) | 크다 | 컸는걸요 | 컸을걸요 | 큰걸요 | 클걸요 |
| DV (C) | 작다 | 작았는걸요 | 작았을걸요 | 작은걸요 | 작을걸요 |
| N (V) | 딸기 | 딸끼였는걸요 | 딸기였을걸요 | 딸기인걸요 | 딸기일걸요 |
| N (C) | 수박 | 수박이었는걸요 | 수박이었을걸요 | 수박인걸요 | 수박일걸요 |
Example Sentences
Polite
민지가 회의도 있어서 아마 늦을걸요.
Minzy also has a meeting, so maybe she'll be late.