A/V-(으)ㄹ걸요 grammar = probably, I think ~express assumption based on backup knowledge

A/V-(으)ㄹ걸요 grammar = probably, I think ~express assumption based on backup knowledge

Express an unsure assumption or supposition (based on the speaker’s backup knowledge) = probably, I think, I bet
Use among close friends and spoken form only (not in written form)

Adjective/ Verb + -(으)ㄹ걸요 (Present tense)
덥다 --> 더울걸요.
재미있다 --> 재미있을걸요.
가다 --> 갈걸요
있다 --> 있을걸요
돌아가다 --> 돌아갈걸요
공부하다 --> 공부할걸요 

Adjective/ Verb + 았/었을걸요 (Past tense)
보다 --> 봤을걸요
먹다 --> 먹었을걸요
도착하다 --> 도착햇을걸요
출발하다 --> 출발했을걸요

Noun + 일걸요 (Present tense) / + 였을걸요 (Past tense) 
학생 --> 학생일걸요 / 학생였을걸요
가수 --> 가수일걸요 / 가수였을걸요

Specific usage:

1. Can be used to softly disagree:

오후 6시에 출발할까요?
퇴근시간이라서 길이 많이 막힐걸요.
Shall we leave at 6 pm?
- It is rush hour, so the traffic will probably be jammed.

나미 씨랑 극장에 ‘국제시장’을 보러 가기로 해요.
나미 씨가 벌써 가 봤을걸요. 이 영화가 너무 유명하거든요.
I am planning to go to watch the movie “the international market” with Nami.
I think she has already watched the movie. Because this movie is very famous.

2. Can’t be used when speaker and listener share the same information.

표가 주말까지 벌써 매진되었어요.
그러게요. 영화가 재미있나 봐요. (not 재미있을걸요.)
Ticket are already sold out by the weekend.
Yeah. The movie seems interesting.

이 영화가 재미있을까요?
요즘 흥행 1위라고 하니까 재미있을걸요.
Do you think this movie is interesting?
It’s ranked number 1 in the box office these days, so it is probably interesting.

3. Intonation of sentences with this expression rises slightly at the end.

부산시는 날씨가 어떤지 아세요?
남쪽이라서 서울보다 더 더울걸요.
Do you know what the weather is like in Busan?
Because it is in the south, it must be hotter than Seoul.

4. In terms of strength of conviction, -(으)ㄹ걸요 expresses a weaker belief than -(으)ㄹ 거예요.

나미 씨가 점심을 먹었을까요?
먹었을걸요. 지금 3시잖아요.
먹었을 거예요. 아까 식당에 밥 먹으러 간다고 하더라고요.
Do you think Nami has had lunch?
I think she ate. It is 3pm now.
I am sure she has. She told me she went to the cafeteria to eat a while ago.


1. 혹시 토니 씨 보셨어요?
아마 커피숍에 있을걸요. 아까 커피숍에 간다고 했거든요.
Did you see Tony?
He is probably at the coffee shop. I heard from him that he went there earlier.

2. 어제 안나 씨가 수영장에 갔을까요?
아마 안 갔을걸요. 예전에 수영을 못 한다고 했던 것 같아요.
Do you think Anna went to swimming pool yesterday?
Perhaps she didn't go. I think she said that she couldn't swim before.

3. 집 앞에 있는 마트가 몇 시에 여는지 아세요?
아마 10시쯤 열걸요. 다른 마트들이 대부분 10시에 열거든요.
Do you know when the mart in front of the house opens?
I think it opens around 10 because of most of the others open at 10.

4. 혹시 나미 씨가 출발했을까요?
벌써 출발했을걸요. 나미 씨 집이 멀잖아요.
Do you think Nami has already left?
I bet she has already left. Her house is far away.

5. 밍 씨가 지금 집에 있을걸요?
이 시간에는 보통 운동을 하니까 집에 없을걸요.
Do you think Minh is at home now?
- He usually works out at this time, so I bet he is not at home.

6. 미래아파트는 어때요?
주위에 술집 많아서 저녁에는 시끄러울걸요.
How about the Future apartment?
There are many bars around, so it will probably be noisy at night

7. 그 책은 외국 학생이 읽기에 좀 어려울걸요. 한자가 많으니까요.
I bet that book may be difficult for foreign student to read. Because it has many Chinese characters.

8. 소포가 고향에 도착했을까요?
고향까지 일주일 정도 걸리니까 벌써 도착했을걸요.
Do you think that the package has arrived my hometown?
Because it takes around a week, I bet it has already arrived.

9. 안나 씨가 지금 학교 있을까요?
아마 없을걸요. 이 시간에는 학생들이 돌아갔거든요.
Do you think Anna is at school now?
Maybe not. At this time, students have gone home.

10. 나미 씨 가방가 동대문에 샀으니까 비싸지 않을거요.
Nami bag was bought in Dongdaemun, so it is probably not expensive.


Unknown said...

그 책은 외국 학생이 읽기에 좀 어려울걸요. 한자가 많니까요.


Korean Topik said...

감사합니다. ^^

.. said...

10. 나미 씨 가방가 동대문에 샀서 비싸지 않을거요.

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