Expressing Absolute Certainty (-ㄹ/을 게 분명하다)
Grammar Rule in 30 Seconds
Use -ㄹ/을 게 분명하다 to express that you are 100% sure about a future event or a logical conclusion.
- Attach -ㄹ 게 분명하다 to verb stems ending in a vowel (e.g., 갈 게 분명하다).
- Attach -을 게 분명하다 to verb stems ending in a consonant (e.g., 먹을 게 분명하다).
- Use this only when you have strong evidence or logical reasoning for your claim.
Overview
Korean learners often seek expressions to convey different levels of certainty. The grammatical pattern -(으)ㄹ 게 분명하다 serves to express absolute certainty or an extremely strong conviction regarding a future event, a current state, or a past occurrence. It signifies that the speaker perceives the outcome or situation as undeniably clear and evident, leaving virtually no room for doubt.
This pattern is rated B2, indicating that learners can discuss complex topics and express nuanced logical deductions based on strong evidence.
The core of this expression is the adjective 분명하다 (分明, bunmyeonghada), meaning 'to be clear,' 'to be distinct,' or 'to be obvious.' When integrated into a sentence structure that predicts or deduces, -(으)ㄹ 게 분명하다 literally translates to something like "it is clearly the case that [verb/adjective] will happen/is happening/has happened." It transcends simple likelihood; it asserts a conclusion based on compelling, observable facts or logical inference, rather than mere speculation.
This pattern is employed when the speaker possesses sufficient evidence or logical reasoning to assert an outcome with high confidence, almost as if they are stating an undeniable truth. For instance, observing a dark, cloud-laden sky makes 비가 올 게 분명하다 (It's clearly going to rain) an appropriate and strong assertion. Understanding -(으)ㄹ 게 분명하다 enables learners to articulate strong predictions and logical conclusions, which is crucial for advanced communication in Korean.
How This Grammar Works
-(으)ㄹ 게 분명하다 is a contraction of -(으)ㄹ 것이 분명하다. Let's deconstruct its components to understand its full semantic and grammatical function. The initial part, -(으)ㄹ, is a future adnominal ending attached to a verb or adjective stem.것 (geot) is a dependent noun meaning 'thing' or 'fact.' When combined with -(으)ㄹ, it forms -(으)ㄹ 것, referring to 'the thing that will [verb/adjective]' or 'the fact that [verb/adjective] will happen.' The subject particle 이 (i) is then typically attached to 것, resulting in 것이. This entire phrase -(으)ㄹ 것이 acts as the subject of 분명하다.것이 often contracts to 게 (ge). This contraction makes the expression more fluid and natural in everyday communication. Thus, -(으)ㄹ 게 분명하다 maintains the same meaning as its longer form but is more commonly encountered.분명하다, is a descriptive verb (adjective) that predicates clarity or obviousness on the preceding clause. It solidifies the speaker's conviction that the state or event described by -(으)ㄹ 것 is unequivocally true.그는 거짓말을 할 게 분명해요 (geuneun geojinmareul hal ge bunmyeonghaeyo, He's clearly going to lie). Here, 할 comes from 하다 (to do) + ㄹ, modifying 것 (which becomes 게). The entire phrase 거짓말을 할 게 then becomes the subject of 분명해요 (the polite form of 분명하다).Formation Pattern
-(으)ㄹ 게 분명하다 depends on the type of verb or adjective stem and whether it describes a present/future or past state. A systematic approach ensures correct usage.
ㄹ (리을): Attach -ㄹ 게 분명하다.
가다 (to go) → 갈 게 분명하다 (gal ge bunmyeonghada) - It's clearly going to go.
예쁘다 (to be pretty) → 예쁠 게 분명하다 (yeppeul ge bunmyeonghada) - It's clearly pretty/will be pretty.
살다 (to live) → 살 게 분명하다 (sal ge bunmyeonghada) - It's clearly going to live.
ㄹ): Attach -을 게 분명하다.
먹다 (to eat) → 먹을 게 분명하다 (meogeul ge bunmyeonghada) - It's clearly going to eat.
좋다 (to be good) → 좋을 게 분명하다 (joeul ge bunmyeonghada) - It's clearly good/will be good.
-(았/었)을.
-(았/었)을 게 분명하다 to the verb/adjective stem.
가다 (to go) → 갔을 게 분명하다 (gasseul ge bunmyeonghada) - It's clear that they went.
먹다 (to eat) → 먹었을 게 분명하다 (meogeosseul ge bunmyeonghada) - It's clear that they ate.
바쁘다 (to be busy) → 바빴을 게 분명하다 (bappasseul ge bunmyeonghada) - It's clear that they were busy.
(이)ㄹ.
-ㄹ 게 분명하다.
학생 (student) → 학생일 게 분명하다 (haksaengil ge bunmyeonghada) - It's clear that they are a student.
-(이)ㄹ 게 분명하다.
범인 (culprit) → 범인일 게 분명하다 (beominil ge bunmyeonghada) - It's clear that they are the culprit.
-(으)ㄹ 게 분명하다 can be adapted to various politeness levels by conjugating 분명하다.
합니다체 hamnida-che): -(으)ㄹ 게 분명합니다
해요체 haeyo-che): -(으)ㄹ 게 분명해요
해체 hae-che): -(으)ㄹ 게 분명해
-(으)ㄹ 게 분명하다 | -(았/었)을 게 분명하다 | N/A | 오다 → 올 게 분명하다 | Clearly will come |
-(으)을 게 분명하다 | -(았/었)을 게 분명하다 | N/A | 읽다 → 읽을 게 분명하다 | Clearly will read |
-(으)ㄹ 게 분명하다 | -(았/었)을 게 분명하다 | N/A | 바쁘다 → 바쁠 게 분명하다 | Clearly will be busy |
-(으)을 게 분명하다 | -(았/었)을 게 분명하다 | N/A | 좋다 → 좋을 게 분명하다 | Clearly will be good |
-(이)ㄹ 게 분명하다 | 의사 → 의사일 게 분명하다 | Clearly is a doctor |
-(이)ㄹ 게 분명하다 | 선생님 → 선생님일 게 분명하다 | Clearly is a teacher |
When To Use It
-(으)ㄹ 게 분명하다 when the evidence is so overwhelming or the logical deduction is so solid that the outcome is virtually guaranteed. This pattern is not for weak hunches or mere probabilities, but for situations where clarity (분명) is the defining characteristic of the prediction or inference. It conveys a strong sense of conviction from the speaker.하늘이 이렇게 어두운 것을 보니 비가 올 게 분명해요.(haneuri ireoke eoduun geoseul boni biga ol ge bunmyeonghaeyo.) - Seeing how dark the sky is, it's clearly going to rain.그 팀은 연습을 정말 많이 했으니 이길 게 분명합니다.(geu tiumeun yeonseubeul jeongmal mani haesseuni igil ge bunmyeonghamnida.) - That team practiced so much, they are clearly going to win.
그는 항상 약속을 잘 지키니까 오늘도 늦지 않을 게 분명해요.(geuneun hangsang yaksogeul jal jikinikka oneuldo neutji aneul ge bunmyeonghaeyo.) - He always keeps his promises, so he clearly won't be late today.새로운 시스템은 훨씬 빠르다고 하니 직원들이 좋아할 게 분명합니다.(saeroun siseutemeun hwolssin ppareudago hani jigwondeuri joahal ge bunmyeonghamnida.) - They say the new system is much faster, so employees will clearly like it.
-(았/었)을):그렇게 열심히 공부했으니 시험에 합격했을 게 분명해요.(geureoke yeolsimhi gongbuhaesseuni siheome hapgyeokhaesseul ge bunmyeonghaeyo.) - Since they studied so hard, they clearly must have passed the exam.지갑이 없는 걸 보니 집에 두고 나왔을 게 분명하다.(jigabi eomneun geol boni jibe dugo nawasseul ge bunmyeonghada.) - Seeing that my wallet isn't here, I clearly must have left it at home.
-(으)ㄹ 게 분명하다 lends authority to projections or conclusions, indicating that the speaker's statement is grounded in solid analysis. The -(으)ㄹ 게 분명합니다 form is typically used here.현재 시장 동향으로 볼 때, 매출은 더 증가할 게 분명합니다.(hyeonjae sijang donghyangeuro bol ttae, maechureun deo jeunggahal ge bunmyeonghamnida.) - Considering current market trends, sales will clearly increase further.
-(으)ㄹ 것 같다 (it seems like, it looks like), which indicates mere probability or conjecture without strong evidence. -(으)ㄹ 게 분명하다 elevates the statement to a level of objective truth, or at least highly convincing truth, from the speaker's perspective. It implies that anyone observing the same evidence would reach the same conclusion.Common Mistakes
-(으)ㄹ 게 분명하다 is a powerful expression of certainty, learners frequently misuse it by not fully grasping its nuanced implications. Avoiding these common pitfalls is essential for natural and accurate communication.-(으)ㄹ 게 분명하다 is used to describe an observed or deduced certainty, not a personal intention or commitment. When you use it, you are asserting something about an external situation or another person's actions, much like an objective observer. If you say 내일 도서관에 갈 게 분명해요 (naeil doseogwane gal ge bunmyeonghaeyo, It's clear that I will go to the library tomorrow), it sounds like you are commenting on your own actions from an external perspective, which is unnatural. For your own future plans or intentions, use -(으)ㄹ게요 (-(eu)l geyo) or -(으)려고 하다 (-(eu)ryeogo hada) or simply -(으)ㄹ 거예요 (-(eu)l geoyeyo).- Incorrect:
제가 숙제를 할 게 분명해요.(Sounds like: "It's clear that I will do my homework." — awkward for a personal intention). - Correct:
제가 숙제를 할게요.(I will do my homework.) /제가 숙제를 할 거예요.(I'm going to do my homework.)
분명하다 implies 'clear' or 'obvious.' Using this pattern without compelling evidence or a strong logical foundation can make the speaker seem presumptuous or misguided if the prediction turns out to be false. It is not for baseless guesses or subjective wishes.- Incorrect:
저는 내일 갑자기 부자가 될 게 분명해요.(I'm clearly going to suddenly become rich tomorrow. — Unless you have winning lottery numbers, this lacks basis). - Correct (if less certain):
내일 부자가 될 것 같아요.(I think I'll become rich tomorrow.)
-(았/었)을 게 분명하다 with -(으)ㄴ 게 분명하다 or -(으)ㄴ 것이 분명하다. While -(았/었)을 게 분명하다 is used for conjecturing about a past event with certainty, -(으)ㄴ 것이 분명하다 (often contracted to -(으)ㄴ 게 분명하다 in speech) is used to state that something clearly is the case right now, based on having done something in the past. The latter is less about conjecture and more about stating an observed fact.그는 이미 도착했을 게 분명해요.(geuneun imi dochakaesseul ge bunmyeonghaeyo.) - He clearly must have already arrived (conjecture about past action).그가 범인인 게 분명해요.(geuga beominin ge bunmyeonghaeyo.) - It's clear that he is the culprit (stating a present fact/identity based on evidence).
-(으)ㄹ 것 같다.- Potentially inappropriate:
네가 틀렸을 게 분명해.(You are clearly wrong. — Can sound confrontational in casual settings). - Softer alternative:
네가 틀린 것 같아.(I think you're wrong.)
게 (the contracted form of 것이) is a dependent noun phrase, and as such, it should be spaced from the preceding verb/adjective ending and the following 분명하다.- Incorrect:
갈게분명하다 - Correct:
갈 게 분명하다
Real Conversations
-(으)ㄹ 게 분명하다 is pervasive in Korean conversation, reflecting a culture that values decisive reasoning and clear communication when evidence supports it. It's often used when people are making predictions, drawing conclusions, or even making lighthearted but firm observations about others.
Scenario 1
A
민준이가 어제 산 게임 엄청 재밌대. (minjuniga eoje san geim eomcheong jaemitdae.) - Minjun says the game he bought yesterday is super fun.B
그럼 오늘 밤에 잠 안 잘 게 분명해. (geureom oneul bame jam an jal ge bunmyeonghae.) - Then he clearly won't sleep tonight.- Insight: Here, B makes a strong, almost playful prediction about Minjun's behavior based on his known enthusiasm for games. The casual 안 잘 게 분명해 conveys a certainty rooted in understanding a friend's habits.
Scenario 2
A
팀장님께서 오늘 아침에 계속 한숨을 쉬시던데요. (timjangnimkkeso oneul achime gyesok hansumeul swisideonneyo.) - The team leader kept sighing this morning.B
아, 프로젝트 마감이 다가오니 스트레스가 많을 게 분명해요. (a, peurojekteu magami dagaoni seuteureseuga maneul ge bunmyeonghaeyo.) - Ah, the project deadline is approaching, so he clearly must be very stressed.- Insight: Speaker B logically deduces the team leader's stress based on observable behavior (sighing) and a known fact (approaching deadline). The polite 많을 게 분명해요 is appropriate for a professional setting.
Scenario 3
A
요즘 새로 나온 드라마 시청률이 대박이래. (yojeum saero naon deurama sichyeongnyuri daebagirae.) - They say the viewership ratings for the new drama are huge these days.B
봐, 작가님이 정말 글을 잘 쓰시니까 인기가 많을 게 분명했어! (bwa, jakganimi jeongmal geureul jal sseusinikka ingiga maneul ge bunmyeonghaesseo!) - See, because the writer writes so well, it was clearly going to be popular!- Insight: Speaker B uses the past tense form 분명했어 to assert that the drama's popularity was an obvious outcome, given the writer's talent. This shows the use of -(았/었)을 게 분명하다 for past deductions or
Formation Table
| Verb Type | Example | Form |
|---|---|---|
|
Vowel
|
가다
|
갈 게 분명하다
|
|
Consonant
|
먹다
|
먹을 게 분명하다
|
|
ㄹ-ending
|
살다
|
살 게 분명하다
|
|
Past Tense
|
했다
|
했을 게 분명하다
|
|
Negative
|
안 가다
|
안 갈 게 분명하다
|
|
Formal
|
가다
|
갈 게 분명합니다
|
Meanings
This pattern expresses a high degree of certainty regarding a future outcome or a logical deduction based on observable evidence.
Future Prediction
Expressing absolute certainty about a future event.
“내일 비가 올 게 분명해요.”
“그 팀이 이길 게 분명해요.”
Logical Deduction
Concluding something is true based on facts.
“그가 거짓말을 했을 게 분명해요.”
“범인은 여기 있을 게 분명해요.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
V + (ㄹ/을) 게 분명하다
|
갈 게 분명해요
|
|
Negative
|
안 + V + (ㄹ/을) 게 분명하다
|
안 갈 게 분명해요
|
|
Past
|
V + 았/었을 게 분명하다
|
갔을 게 분명해요
|
|
Formal
|
V + (ㄹ/을) 게 분명합니다
|
갈 게 분명합니다
|
|
Polite
|
V + (ㄹ/을) 게 분명해요
|
갈 게 분명해요
|
|
Casual
|
V + (ㄹ/을) 게 분명해
|
갈 게 분명해
|
Formality Spectrum
그가 올 게 분명합니다. (General)
그가 올 게 분명해요. (General)
그가 올 게 분명해. (General)
걔 무조건 와. (General)
Certainty Spectrum
Low
- ㄹ 것 같다 I think/maybe
High
- ㄹ/을 게 분명하다 Definitely/Sure
When to use
Do you have evidence?
Examples by Level
내일 비가 올 게 분명해요.
It is certain that it will rain tomorrow.
그가 올 게 분명해요.
He will definitely come.
재미있을 게 분명해요.
It will definitely be fun.
맛있을 게 분명해요.
It will definitely be delicious.
시험에 합격할 게 분명해요.
I will definitely pass the exam.
그녀가 좋아할 게 분명해요.
She will definitely like it.
늦을 게 분명해요.
It is certain that he will be late.
이게 정답일 게 분명해요.
This must be the right answer.
그가 거짓말을 했을 게 분명해요.
He definitely lied.
회사가 성장할 게 분명해요.
The company will definitely grow.
그들이 화가 났을 게 분명해요.
They must be angry.
결과가 좋을 게 분명해요.
The result will definitely be good.
이 정책은 실패할 게 분명합니다.
This policy is bound to fail.
그는 이미 떠났을 게 분명해요.
He must have already left.
이것은 중요한 증거일 게 분명해요.
This must be important evidence.
그녀는 이 사실을 알고 있을 게 분명해요.
She definitely knows this fact.
그의 성공은 예견된 일일 게 분명합니다.
His success is clearly a foregone conclusion.
이 현상은 복합적인 원인이 있을 게 분명해요.
This phenomenon surely has complex causes.
그들은 우리의 제안을 거절할 게 분명합니다.
They will certainly reject our proposal.
이 결정은 장기적으로 이득이 될 게 분명해요.
This decision will surely be beneficial in the long run.
역사적 맥락에서 볼 때, 이 사건은 필연적이었을 게 분명합니다.
Viewed in historical context, this event was surely inevitable.
그의 침묵은 동의를 의미했을 게 분명해요.
His silence surely signified agreement.
이러한 변화는 사회 구조를 재편할 게 분명합니다.
Such changes are bound to reshape the social structure.
그의 의도는 명백히 악의적이었을 게 분명해요.
His intentions were surely malicious.
Easily Confused
Both are used for prediction.
Both mean 'must be'.
Both refer to the future.
Common Mistakes
비가 올 것 분명해요
비가 올 게 분명해요
먹을 게 분명하다요
먹을 게 분명해요
가 게 분명해요
갈 게 분명해요
비가 올 게 분명해요
비가 올 게 분명해요
그가 올 것 같아요 분명해요
그가 올 게 분명해요
그가 늦을 게 분명했다
그가 늦을 게 분명해요
그것은 사실일 게 분명하다
그것은 사실일 게 분명해요
그가 거짓말을 한 게 분명해요
그가 거짓말을 했을 게 분명해요
그가 왔을 게 분명해요
그가 왔을 게 분명해요
그가 올 게 분명함
그가 올 게 분명해요
그의 성공은 예견된 일일 게 분명함
그의 성공은 예견된 일일 게 분명합니다
이 현상은 원인이 있을 게 분명함
이 현상은 원인이 있을 게 분명합니다
그들은 거절할 게 분명함
그들은 거절할 게 분명합니다
이 결정은 이득이 될 게 분명함
이 결정은 이득이 될 게 분명합니다
Sentence Patterns
___이/가 ___할 게 분명해요.
그가 ___했을 게 분명해요.
이것은 ___일 게 분명해요.
___은/는 ___할 게 분명합니다.
Real World Usage
내일 늦을 게 분명해!
이 프로젝트는 성공할 게 분명합니다.
이 영화 대박 날 게 분명함.
기차가 늦을 게 분명해요.
음식이 맛있을 게 분명해요.
이 현상은 필연적일 게 분명합니다.
Check your evidence
Avoid arrogance
Use with past tense
Politeness matters
Smart Tips
Use the formal ending -합니다.
Ensure you use the past tense marker -았/었.
Remember to add -일 before 게.
Add '틀림없이' before the verb.
Pronunciation
Linking
The 'ㄹ' in '게' is pronounced clearly. '분명하다' is pronounced [분명하다].
Falling
올 게 분명해요↘
Assertive and final.
Memorize It
Mnemonic
Think of '분명' as 'clear' (like a clear sky). If the sky is clear, you can see the truth, so you are certain.
Visual Association
Imagine a detective with a magnifying glass pointing at a clue, shouting '분명해!' (It's clear!).
Rhyme
When you are sure and have a plan, add -ㄹ/을 게 분명하다 to the stem of the verb, man.
Story
Detective Kim looked at the broken glass. He saw a footprint. He said, 'The thief was here.' He was 100% sure. He said, '범인이 왔을 게 분명해!'
Word Web
Challenge
Write 3 sentences about things you are 100% sure will happen tomorrow.
Cultural Notes
Koreans value directness in logical conclusions but often soften it with politeness levels.
Derived from the noun '분명' (clarity) and the verb '하다'.
Conversation Starters
내일 날씨가 어떨 것 같아요?
이번 시험 결과가 어떻게 나올까요?
그 사람이 왜 화가 났을까요?
이 프로젝트가 성공할 수 있을까요?
Journal Prompts
Common Mistakes
Test Yourself
내일 비가 ___ 게 분명해요.
그가 거짓말을 ___ 게 분명해요.
Find and fix the mistake:
그가 올 것 분명해요.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
It will definitely be fun.
Answer starts with: 재미있...
Use '성공하다' (to succeed) with the pattern.
Match each item on the left with its pair on the right:
그가 올 게 분명해요.
Score: /8
Practice Exercises
8 exercises내일 비가 ___ 게 분명해요.
그가 거짓말을 ___ 게 분명해요.
Find and fix the mistake:
그가 올 것 분명해요.
분명해요 / 올 / 그가 / 게
It will definitely be fun.
Use '성공하다' (to succeed) with the pattern.
그가 늦을 게 분명해요.
그가 올 게 분명해요.
Score: /8
Practice Bank
10 exercises분명해요 / 올 / 게 / 친구가
I'm sure he will succeed.
Connect the roots.
I'm sure she already left.
이건 그의 ___ 분명해요. (실수)
짐이 많아서 무거울을 게 분명해요.
분명해 / 거짓말일 / 게 / 그건
I'm sure they are busy.
Select the incorrect sentence.
방이 아주 ___ 분명해요. (작다)
Score: /10
FAQ (8)
Yes, use the past tense stem: `갔을 게 분명해요`.
It expresses 100% certainty from the speaker's perspective.
Use `-ㄹ 것 같다` instead.
Yes, use `일 게 분명해요` (e.g., `정답일 게 분명해요`).
It can be both formal and informal depending on the ending.
Because `게` is a contraction of `것이`.
It's rare, as it's a statement of certainty.
The latter is much more formal.
Scaffolded Practice
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2
3
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Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
It is certain that...
Korean uses a verb modifier.
Es seguro que...
Korean is more agglutinative.
Es ist sicher, dass...
Korean uses a specific grammar pattern.
〜に違いない
Japanese uses a different particle system.
肯定...
Korean uses verb suffixes.
من المؤكد أن...
Korean is more compact.
Learning Path
Prerequisites
Related Grammar Rules
No choice but to... (-ㄹ/을 수밖에 없다)
Overview The Korean grammar pattern `-(으)ㄹ 수밖에 없다` is a powerful expression of inevitability. It conveys that du...
Present Progressive: -ing (고 있다)
Overview Korean, like English, distinguishes between habitual or general actions and actions that are actively in progre...
To the Absolute Max: (-ㄹ/을 대로)
Overview Korean grammar employs `-(ㄹ/을) 대로` to express that a state or action has reached its absolute **utmost limi...
Just/Only: Emphatic Limitation (-ㄹ/을 뿐이다)
Overview At the B2 CEFR level in Korean, you're moving beyond basic sentence construction to express nuanced ideas, subt...
Logically Likely: -ㄹ/을 법하다
Overview `-(으)ㄹ 법하다` is a Korean grammar pattern that expresses a logical likelihood, plausibility, or reasonable e...
