- Only used conversationally among friends (NEVER in writing)
- Gives an unconfirmed assumption/supposition
- Also used to softly disagree with listener
- ONLY used when speaker is privy to the info – if both people know the same info, can’t use it
- Intonation rises at the end – almost like a question
- Weaker conviction than ~(으)ㄹ 거예요
- 과거: ~았/었을걸요
- 현재: ~(으)ㄹ걸요
- 과거: 였을걸요/이었을걸요
- 현재: 일걸요
- A: 그 분은 게을렀을걸요.
(He was prob’ly just lazy.)
- V: 책을 읽었을걸요.
(I prob’ly read that book.)
- N: 저 큰 건물은 박물관이었을걸요.
(That big building was prob’ly a museum.)
- A: 그 영화는 너무 징그러웠을걸요.
(That movie was prob’ly gross.)
- V: 축구선수 다 아주 빨리 달렸을걸요.
(All the soccer stars prob’ly ran fast.)
- N: 혜인의 남자친구가 너무 멋있을걸요.
(HyeIn’s boyfriend was prob’ly pretty handsome.)
- A: 진영 씨는 똑똑할걸요.
(JinYoung is prob’ly pretty smart.)
- V: 내 생각에 우리는 수영을 할걸요.
(I think we should prob’ly go swimming.)
- N: 드라마 배우 일걸요.
(He’s prob’ly a drama star.)
- A: 김치찌개는 안 매울걸요.
(The kimchi jjigae prob’ly isn’t spicy.)
- V: 여기에 앉을걸요.
(You could prob’ly sit here.)
- N: 너는 천재 일걸요.
(You’re prob’ly a genius.)