As Soon As... (-자마자)
자마자 for actions that trigger an immediate second event without any delay or past tense markers.
Grammar Rule in 30 Seconds
Use -자마자 to express that one action happens immediately after another action finishes.
- Attach -자마자 directly to the verb stem (no space).
- The tense is only marked at the end of the final clause.
- The subjects of both clauses can be the same or different.
Overview
Korean grammar boasts a rich array of connective endings that intricately weave clauses together, expressing nuanced relationships between actions and states. Among these, the ending -자마자 (romanization: jamaja) stands out for its emphatic declaration of immediate succession. It precisely communicates the idea of "as soon as" or "the moment that" one action concludes, another commences without any perceptible delay.
This isn't merely about chronological order; it's about a zero-interval transition between two events. Understanding -자마자 is crucial for B1 learners, as it allows for natural and dynamic expression of cause-and-effect relationships tied to instantaneous timing, moving beyond simple temporal sequencing.
Linguistically, -자마자 functions as a temporal conjunction, signaling that the initial action or event acts as an instantaneous trigger for the subsequent one. It highlights a direct and often unavoidable consequence or reaction. Unlike some other temporal expressions that merely state one event happened after another, -자마자 injects a sense of urgency, inevitability, or even surprise at the swiftness of the second action.
Mastering this pattern will enable you to articulate quick responses, automatic processes, and sudden developments in Korean with native-like fluidity, making your communication both clearer and more vivid.
How This Grammar Works
-자마자 functions as a verb stem connective ending, linking a preceding clause (the initial action or event) to a succeeding clause (the immediate consequence or subsequent action). The defining characteristic of this grammatical pattern is its unwavering commitment to immediacy. It implies that the time elapsed between the completion of the first action and the initiation of the second is negligible—effectively, zero.-자마자 is its tense handling. The ending itself does not carry any tense information. Instead, the tense of the entire sentence is determined solely by the final verb or adjective in the main clause.-았/었- or future/conjecture markers like -겠- directly to the verb stem before -자마자. Doing so would be grammatically incorrect and sound unnatural to a native speaker. The first clause simply describes the event that acts as the trigger, and the second clause places that trigger-response sequence in time.-자마자 can be either the same or different, offering significant flexibility in sentence construction. For instance, you can describe how you did something as soon as you arrived, or how you did something as soon as the bell rang. This versatility allows you to depict complex interactions and events involving multiple participants without needing cumbersome restructuring.문을 열자마자 바람이 들어왔어요.(Mun-eul yeoljamaja barami deureowasseoyo.) – As soon as I opened the door, the wind came in. (Different subjects:Iopened,windcame)집에 도착하자마자 손을 씻었어요.(Jibe dochakajamaja son-eul ssisseoyo.) – As soon as I arrived home, I washed my hands. (Same subject:Iarrived,Iwashed)수업이 끝나자마자 다들 밖으로 나갔어요.(Sueop-i kkeunnajamaja dadeul bakkeuro nagasseoyo.) – As soon as the class ended, everyone went outside. (Initial action is impersonal, subsequent action has a subject)
-자마자 efficiently compresses two sequential events into a single, cohesive statement, underscoring the tight temporal link between them. The grammatical structure forces the listener or reader to perceive the actions as occurring almost simultaneously, making it a powerful tool for conveying dynamic scenarios.Formation Pattern
-자마자 is remarkably straightforward, making it one of the more accessible intermediate connective endings in Korean. It attaches directly to the verb stem of the preceding action verb. Unlike many other grammar patterns that differentiate based on whether the stem ends in a vowel or a consonant, -자마자 has no such distinction. This simplifies its application and reduces potential errors during conjugation.
다 from the dictionary form | 가- (to go) | 가자마자 |
먹- (to eat) | 먹자마자 |
읽- (to read) | 읽자마자 |
도착하- (to arrive) | 도착하자마자 |
열리- (to open) | 열리자마자 |
해체):
밥을 먹자마자 바로 잠들었어요. (Babeul meokjamaja baro jamdeureosseoyo.) – As soon as I ate, I fell asleep immediately. (Past tense on final verb)
집에 도착하자마자 전화할게. (Jibe dochakajamaja jeonhwahalge.) – I'll call you as soon as I arrive home. (Future tense on final verb)
합니다체):
소식을 듣자마자 달려왔습니다. (Sosigeul deutjamaja dallyeowasseumnida.) – As soon as I heard the news, I rushed over. (Past tense on final verb)
업무가 끝나자마자 보고하겠습니다. (Eommu-ga kkeunnajamaja bogohagetseumnida.) – I will report as soon as the work is finished. (Future tense on final verb)
-자마자 remains unchanged, highlighting its invariant nature. This ease of formation allows learners to quickly integrate it into their active vocabulary.
When To Use It
-자마자 is primarily employed when you want to emphasize that the second action or event occurred instantaneously after the first, with no significant interval. It's about capturing moments of rapid succession and immediate response. Here are the key contexts and nuances for its usage:- 1Instantaneous Reactions (Physical/Emotional): Use
-자마자to describe automatic responses, reflexes, or immediate emotional shifts triggered by an event.
그 말을 듣자마자 얼굴이 빨개졌어요.(Geu mareul deutjamaja eolguri ppalgajyeosseoyo.) – As soon as I heard those words, my face turned red. (Immediate emotional/physical reaction).종이 울리자마자 학생들이 교실을 나섰습니다.(Jongi ullijamaja haksaengdeuri gyosil-eul naseosseumnida.) – As soon as the bell rang, the students left the classroom. (Immediate, collective physical reaction).
- 1Sudden Occurrences or Developments: It's perfect for describing situations where something unexpected or rapid happens right after a preceding condition is met.
비가 그치자마자 해가 떴어요.(Biga geuchijamaja haega tteosseoyo.) – As soon as the rain stopped, the sun came out. (Sudden change in weather).스위치를 켜자마자 불이 나갔어요.(Seuwichireul kyeojamaja buri nagasseoyo.) – As soon as I turned on the switch, the light went out. (Immediate malfunction).
- 1Planned Immediate Actions/Intentions: When you intend to perform an action without delay once a certain condition is fulfilled,
-자마자is suitable.
시험이 끝나자마자 여행을 갈 거예요.(Siheomi kkeunnajamaja yeohaeng-eul gal geoyeyo.) – As soon as the exam finishes, I'm going to travel. (Stated immediate future plan).퇴근하자마자 운동하러 갈게요.(Taegeunhajamaja undonghareo galgeyo.) – I'll go to exercise as soon as I leave work. (Personal immediate plan).
- 1Expressing Urgency or Impatience: Native speakers often use
-자마자to convey a sense of urgency, impatience, or the desire for something to happen without delay.
기차에서 내리자마자 역무원에게 물어봤어요.(Gicha-eseo naerijamaja yeongmuwon-ege mureobwasseoyo.) – As soon as I got off the train, I asked the station attendant. (Expressing quick action to get information).
- 1Common Phrases and Social Contexts:
-자마자appears frequently in everyday expressions and social interactions.
오자마자 갔어요.(Ojamaja gasseoyo.) – I came right away / I left as soon as I came. (Often implies a very brief visit).만나자마자 헤어졌어요.(Mannajamaja he-eojyeosseoyo.) – We broke up as soon as we met. (Exaggerated, but conveys a very short relationship).
Common Mistakes
-자마자 is grammatically straightforward, learners frequently make specific errors, primarily concerning tense, adjective usage, and the implied time interval. Addressing these directly will solidify your understanding and prevent awkward phrasing.- 1Incorrect Tense Marking on the
-자마자Clause: This is arguably the most common mistake. As discussed,-자마자itself never carries tense. Tense is only applied to the final verb of the main clause. Attempting to add past tense-았/었-or future/conjecture-겠-to the verb stem before-자마자is incorrect.
- Incorrect:
집에 도착했자마자 밥을 먹었어요.(X) – The-했-is superfluous and wrong. - Correct:
집에 도착하자마자 밥을 먹었어요.(O) – As soon as I arrived home, I ate. - Incorrect:
내일 가겠자마자 연락할게요.(X) – The-겠-is misplaced. - Correct:
내일 가자마자 연락할게요.(O) – As soon as I go tomorrow, I’ll contact you.
- 1Usage with Adjectives:
-자마자is designed to connect actions or processes (verbs). It is generally not used with descriptive adjectives (형용사 hyeongyongsa).
- Incorrect:
아름답자마자 사진을 찍었어요.(X) – This attempts to say
Formation Table
| Verb Stem | Ending | Result |
|---|---|---|
|
가
|
자마자
|
가자마자
|
|
먹
|
자마자
|
먹자마자
|
|
읽
|
자마자
|
읽자마자
|
|
보
|
자마자
|
보자마자
|
|
듣
|
자마자
|
듣자마자
|
|
만나
|
자마자
|
만나자마자
|
Meanings
This grammar expresses that the second action occurs immediately following the completion of the first action.
Immediate Sequence
Action B happens right after Action A.
“학교에 가자마자 친구를 만났어요.”
“수업이 끝나자마자 나갔어요.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Stem + 자마자
|
도착하자마자 전화해요.
|
|
Past Tense
|
Stem + 자마자 + Past
|
도착하자마자 전화했어요.
|
|
Future Tense
|
Stem + 자마자 + Future
|
도착하자마자 전화할게요.
|
|
Negative
|
Stem + 자마자 + Negative
|
도착하자마자 전화 안 했어요.
|
|
Question
|
Stem + 자마자 + Question
|
도착하자마자 전화할까요?
|
|
Different Subjects
|
Subj1 + Stem + 자마자 + Subj2 + Verb
|
내가 오자마자 그가 나갔어요.
|
Formality Spectrum
도착하자마자 연락드리겠습니다. (Texting a friend vs. boss)
도착하자마자 연락할게요. (Texting a friend vs. boss)
도착하자마자 연락할게. (Texting a friend vs. boss)
도착하자마자 톡할게. (Texting a friend vs. boss)
Immediate Sequence Concept
Result
- Action B Immediate Follow-up
Examples by Level
도착하자마자 전화하세요.
Call as soon as you arrive.
집에 가자마자 씻어요.
I wash as soon as I go home.
먹자마자 자요.
I sleep as soon as I eat.
보자마자 웃었어요.
I laughed as soon as I saw it.
수업이 끝나자마자 친구를 만났어요.
I met a friend as soon as class ended.
비가 오자마자 우산을 폈어요.
I opened my umbrella as soon as it rained.
소식을 듣자마자 울었어요.
I cried as soon as I heard the news.
일어나자마자 물을 마셔요.
I drink water as soon as I wake up.
그는 나를 보자마자 도망갔어요.
He ran away as soon as he saw me.
여름이 되자마자 날씨가 더워졌어요.
The weather got hot as soon as summer started.
결과를 확인하자마자 합격 소식을 알렸어요.
I announced the news of passing as soon as I checked the results.
퇴근하자마자 운동하러 갈 거예요.
I will go to exercise as soon as I finish work.
경찰이 도착하자마자 상황이 정리되었습니다.
The situation was resolved as soon as the police arrived.
그녀는 제안을 듣자마자 거절했습니다.
She refused as soon as she heard the proposal.
문제가 생기자마자 연락해 주십시오.
Please contact me as soon as a problem arises.
그는 책을 펴자마자 읽기 시작했습니다.
He started reading as soon as he opened the book.
그 소식을 접하자마자 그는 깊은 생각에 잠겼다.
As soon as he encountered the news, he fell into deep thought.
전쟁이 발발하자마자 국경이 폐쇄되었다.
The borders were closed as soon as the war broke out.
그는 무대에 오르자마자 관객을 사로잡았다.
He captivated the audience as soon as he stepped on stage.
계약서에 서명하자마자 효력이 발생합니다.
The effect takes place as soon as the contract is signed.
그는 눈을 뜨자마자 어제의 일을 회상하기 시작했다.
As soon as he opened his eyes, he began to recall yesterday's events.
정부가 정책을 발표하자마자 시장은 요동쳤다.
The market fluctuated as soon as the government announced the policy.
그는 고향 땅을 밟자마자 눈물을 쏟았다.
He burst into tears as soon as he stepped on his hometown soil.
사건의 전모가 드러나자마자 여론은 들끓었다.
Public opinion boiled over as soon as the full picture of the incident was revealed.
Easily Confused
Both indicate sequence.
Common Mistakes
갔자마자
가자마자
먹었자마자
먹자마자
도착한 자마자
도착하자마자
비가 온 자마자
비가 오자마자
Sentence Patterns
___자마자 ___했어요.
Real World Usage
도착하자마자 톡해!
Tense Rule
Smart Tips
Use -자마자 for speed.
Pronunciation
Linking
The '자' sound is pronounced clearly, and the '마' follows without a pause.
Rising-Falling
도착하자마자↗ 연락할게요↘
Shows a natural flow of information.
Memorize It
Mnemonic
Think of 'Ja-ma-ja' as 'Jump-my-jump'—you jump from one action to the next instantly!
Visual Association
Imagine a domino effect. As soon as the first domino falls, the second one hits the floor immediately.
Rhyme
Action one, action two, -자마자 links them through.
Story
Min-su wakes up. He checks his phone. He jumps out of bed. He says: '눈을 뜨자마자 핸드폰을 보고, 일어나자마자 씻어요.'
Word Web
Challenge
Write 5 sentences about your morning routine using -자마자.
Cultural Notes
In Korean offices, using -자마자 is common when reporting completion of tasks to show efficiency.
Derived from the noun '자' (time/moment) and '마자' (as soon as).
Conversation Starters
집에 가자마자 무엇을 해요?
Journal Prompts
Common Mistakes
Test Yourself
집에 ___ (도착) 자마자 잤어요.
Score: /1
Practice Exercises
1 exercises집에 ___ (도착) 자마자 잤어요.
Score: /1
Practice Bank
10 exercises버스 / 오자마자 / 탔어요 / 가
Translate: 'As soon as I finish work, I will go home.'
Match the following pairs:
뉴스를 ___ 소리를 질렀어요.
You hit a button and a light turns on. How do you describe it?
시험이 끝나자마자 친구들하고 놀겠어요.
올리자마자 / 사진을 / 친구가 / 봤어요
How do you say 'As soon as I saw her, I knew' in Korean?
Match the trigger to the result:
도착___ 연락할게요.
Score: /10
FAQ (1)
No, it requires dynamic verbs.
Scaffolded Practice
1
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
tan pronto como
Spanish requires tense agreement; Korean does not.
dès que
French uses a subordinate clause; Korean uses a connective ending.
sobald
German word order changes; Korean remains consistent.
~するやいなや
Japanese has more formal variants; Korean -자마자 is universal.
一...就...
Chinese uses a two-part structure; Korean uses a suffix.
بمجرد أن
Arabic uses a prepositional phrase; Korean uses a verb ending.
Learning Path
Prerequisites
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