V/Adj/이다, 아니다 + ㄹ/을 This makes a verb and an adjective into a noun modifier, and that action will occur in the future.
먹다 → 먹을 음식 → 집에 [ 먹을 음식 ] 없어요.
to eat food that I will eat There is no food to eat at home.
하다 → 할 말 → [ 할 말 ] 있어요?
to do speech that I’ll do Do you have speech that you will do?
(Do you have somthing to say?)
가다 → 갈 시간 → 이제 [ 갈 시간 ]이에요.
to go time to go Now it’s time to go.
작다 → 작을 옷 → 토니 씨한테 [ 작을 옷 ]이에요.
to be small clothes that would be small This is the clothes that would be small for Tony.
Although this is grammatically correct, using adjectives with -ㄹ/을 is relatively uncommon in everyday Korean. A more natural expression would be “토니 씨한테 작을 거예요” (“This will be small for Tony”).
받침 X, ㄹ받침 | ㄹ | ex. 갈, 클, 만들, 살 |
받침 O | 을 | ex. 먹을, 높을 |
Exception Rule | ex. 더울, 추울, 지을, 들을 |
-을 것
V/Adj/이다, 아니다 + 을 것(거) This makes a clause(that will be happen in the future) work as a noun in the sentence.
- indicating a thing (item, object, or something)
마실 것 좀 사드릴까요?
Would you like me to buy you something to drink?
오후에 할 거 있어요?
Do you have anything to do in the afternoon?
옷장에 옷이 많지만, 입을 것은 없어요.
I have lots of clothes in my closet, but nothing to wear.
- indicating the action or state itself
내일은 추울 거예요
→ This explains why we have been saying the future tense “-을 거예요”