How to use 을/ㄹ 거 같아요 in Korean

Pattern: -(으)ㄹ 거 같아요

-(으)ㄹ 거 같아요 (-(eu)ㄹgeogat-a-yo, (eu)ㄹgeogatayo)

-(으)ㄹ 거 같아요 expresses guesses or predictions about the future in Korean.

Korean grammar -(으)ㄹ 거 같아요 usage explanation

Usage guide

When and how native speakers actually use it.

-(으)ㄹ 거 같아요(-(eu)ㄹgeogat-a-yo, (eu)ㄹgeogatayo)

A guess or prediction about a future event or situation

When to use

future prediction, expressing guesses, uncertain situations

The nuance

Attach -(으)ㄹ 거 같아요 to the verb or adjective stem to express a future guess or prediction. Use -을 거 같아요 if the stem ends with a consonant, and -ㄹ 거 같아요 if it ends with a vowel. It can be combined with action verbs in present tense forms for ongoing guesses.

Real-world examples

  • 내일 비가 올 거 같아요.

    nae-il bi-ga ol geo gat-a-yo., nae il bi ga ol geo gat a yo.

    '오다' ends with a vowel, so '-ㄹ 거 같아요' is correctly attached to express future guess.

  • 그 사람이 지금 집에 있을 거 같아요.

    geu sa-ram-i ji-geum jip-e iss-eul geo gat-a-yo., geu sa ram i ji geum jip e iss eul geo gat a yo.

    '있다' ends with a consonant, so '-을 거 같아요' correctly expresses a guess about the current state.

  • 저는 내일 시험을 볼 거 같아요.

    jeo-neun nae-il si-heom-eul bol geo gat-a-yo., jeo neun nae il si heom eul bol geo gat a yo.

    Verb '보다' ends with a vowel, so '-ㄹ 거 같아요' is correctly used for future prediction.

  • 오늘은 날씨가 좋을 거 같아요.

    o-neul-eun nal-ssi-ga joh-eul geo gat-a-yo., o neul eun nal ssi ga joh eul geo gat a yo.

    Adjective '좋다' ends with a consonant, so '-을 거 같아요' is correctly attached.

  • 나는 밥을 먹을 거 같아요.

    na-neun bap-eul meok-eul geo gat-a-yo., na neun bap eul meok eul geo gat a yo.

    '먹다' ends with a consonant, so '-을 거 같아요' is correctly used.

  • 비가 올 거 같아요.

    bi-ga ol geo gat-a-yo., bi ga ol geo gat a yo.

    '오다' ends with a vowel, so '-ㄹ 거 같아요' is correctly attached.

  • 나는 갈 거 같아요.

    na-neun gal geo gat-a-yo., na neun gal geo gat a yo.

    '가다' ends with a vowel, so '-ㄹ 거 같아요' is correctly used.

  • 나는 갈 거 같아.

    na-neun gal geo gat-a., na neun gal geo gat a.

    The polite form '-(으)ㄹ 거 같아요' is standard; '-거 같아' is informal and not correct in formal contexts.

Quick quiz

  1. Which sentence correctly expresses a future guess?

    다음 중 미래에 대한 추측을 올바르게 표현한 문장은?(da-eumjungmi-rae-edae-hanchu-cheuk-eulol-ba-reu-gepyo-hyeon-hanmun-jang-eun?, daeumjungmiraeedaehanchucheukeulolbareugepyohyeonhanmunjangeun?)
  2. Which sentence is incorrect?

    다음 문장 중 틀린 문장은?(da-eummun-jangjungteul-rinmun-jang-eun?, daeummunjangjungteulrinmunjangeun?)
  3. When do you use '-을 거 같아요'?

    어떤 경우에 '-을 거 같아요'를 사용하나요?(eo-tteongyeong-u-e'-eulgeogat-a-yo'reulsa-yong-ha-na-yo?, eotteongyeongue'eulgeogatayo'reulsayonghanayo?)

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