Pattern: -(았/었)을 거예요
-(았/었)을 거예요 (-(ass, (ass, eoss)eulgeo-ye-yo, eoss)eulgeoyeyo)
-(았/었)을 거예요 is used to guess or infer past events in Korean.
When and how native speakers actually use it.
Expression to guess or infer about past events
When to use
Guessing past facts, Inferring others' past actions, Explaining past situations
The nuance
Attach -(았/었)을 거예요 to the past stem of verbs or adjectives to guess or infer past events. - Use -았을 거예요 if the stem ends with a vowel without 받침, -었을 거예요 if with 받침. - Examples: 먹다 → 먹었을 거예요, 가다 → 갔을 거예요 - Can be used in affirmative and negative forms; negatives use '안' or '-지 않았을 거예요'.
어제 비가 많이 왔을 거예요.
eo-je bi-ga man-i wass-eul geo-ye-yo., eo je bi ga man i wass eul geo ye yo.
This sentence guesses that it rained a lot yesterday.
그 사람이 지금 집에 있었을 거예요.
geu sa-ram-i ji-geum jip-e iss-eoss-eul geo-ye-yo., geu sa ram i ji geum jip e iss eoss eul geo ye yo.
It's a natural guess about a past or current situation.
나는 어제 영화를 봤을 거예요.
na-neun eo-je yeong-hwa-reul bwass-eul geo-ye-yo., na neun eo je yeong hwa reul bwass eul geo ye yo.
If sure about one's past action, using a guess form is inappropriate.
그는 숙제를 안 했을 거예요.
geu-neun suk-je-reul an haess-eul geo-ye-yo., geu neun suk je reul an haess eul geo ye yo.
A natural negative guess form.
우리는 벌써 떠났을 거예요.
u-ri-neun beol-sseo tteo-nass-eul geo-ye-yo., u ri neun beol sseo tteo nass eul geo ye yo.
Guessing a past departure.
내일 비가 왔을 거예요.
nae-il bi-ga wass-eul geo-ye-yo., nae il bi ga wass eul geo ye yo.
Tomorrow is future; past guessing form cannot be used.
How to say 'He was probably at home yesterday' using a guess form?
Which is a future guess expression?
Choose the correct negative past guess sentence.
