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A2 auxiliary 10 min read

고 있다

Examples
Explanation 고 있다 in your Level:
At the A1 level, the grammar pattern 고 있다 is introduced as the primary way to say that someone is doing something right now. It is the exact equivalent of the English '-ing' form, as in 'I am eating' or 'She is sleeping'. To use it, you simply take a Korean verb, remove the '다' at the end, and add '고 있다'. For example, the verb to eat is '먹다'. Remove '다', and you get '먹'. Add '고 있다', and it becomes '먹고 있다' (am eating). Because Korean sentences end with the verb, this pattern always comes at the very end. You will usually see it conjugated to match the politeness level you are using. In standard polite Korean, it becomes '고 있어요'. So, '저는 밥을 먹고 있어요' means 'I am eating a meal'. This is incredibly useful for everyday conversations. If a friend calls and asks '지금 뭐 해요?' (What are you doing now?), you can confidently reply with your current action using this pattern. It is important to remember that this pattern is only used with action verbs. You cannot use it with adjectives. You cannot say 'I am being cold' using this pattern in Korean. It is strictly for actions like running, studying, eating, and reading. Mastering this basic structure allows beginners to describe their immediate environment and actions, moving beyond simple static sentences into dynamic, real-time communication.
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At the A2 level, learners expand their understanding of 고 있다 by integrating it with various sentence structures, negative forms, and different politeness levels. While A1 focuses on the basic '고 있어요' form, A2 learners must master the formal '고 있습니다' for presentations or writing, and the casual '고 있어' for speaking with close friends. Furthermore, negating this pattern becomes crucial. You can either place the negative word '안' before the main verb (안 먹고 있어요) or use the longer negative form '지 않다' attached to the main verb, followed by the progressive pattern (먹지 않고 있어요). A2 learners also begin to use this pattern to describe ongoing weather conditions, such as '비가 오고 있어요' (It is raining) or '눈이 내리고 있어요' (It is snowing). Additionally, this level introduces the concept of using the progressive form to describe actions in the past. By conjugating the final '있다' into the past tense '있었다', learners can say 'I was doing'. For example, '어제 텔레비전을 보고 있었어요' means 'I was watching television yesterday'. This dramatically increases narrative capabilities, allowing learners to describe background actions when telling a story. The consistency of the verb stem attachment (no irregular changes) makes this a reliable and highly productive grammar point for A2 students to practice and internalize.
At the B1 level, the nuanced usage of 고 있다 becomes significantly more complex, particularly regarding the distinction between continuous actions and resultant states. A major hurdle for intermediate learners is understanding how this pattern interacts with verbs of attire, such as 입다 (to wear), 신다 (to wear shoes), and 쓰다 (to wear a hat/glasses). In English, 'wearing' is a state, but in Korean, '안경을 쓰고 있다' can mean both 'I am currently putting my glasses on my face' AND 'I am wearing my glasses (they are already on my face)'. Context is heavily relied upon to distinguish between the two. Furthermore, B1 learners must strictly differentiate 고 있다 from the resultant state pattern 아/어 있다. For posture verbs like 앉다 (to sit) or 서다 (to stand), using 고 있다 (앉고 있다) means the physical, slow-motion action of lowering oneself into a chair. If someone is already seated, they are in a resultant state, requiring '앉아 있다'. Mixing these up is a classic intermediate mistake. B1 learners also start embedding this pattern into relative clauses to modify nouns, such as '제가 읽고 있는 책' (The book that I am reading). This allows for much more complex and descriptive sentence structures, moving away from simple, single-clause statements.
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At the B2 level, learners are expected to use 고 있다 with high precision, incorporating advanced honorifics and complex temporal clauses. When speaking about a subject of higher status, B2 learners must automatically switch the auxiliary verb '있다' to its honorific equivalent '계시다', resulting in '고 계십니다' or '고 계세요'. For instance, '사장님께서 회의를 하고 계십니다' (The boss is having a meeting). Failure to do so at this level is considered a significant pragmatic error. Additionally, learners explore the future progressive '고 있을 것이다' to express assumptions or future ongoing states, such as '내일 이 시간에는 비행기를 타고 있을 거예요' (I will be riding an airplane at this time tomorrow). The pattern is also frequently combined with conjunctions to express reasons or contrasting situations based on ongoing actions: '지금 운전하고 있어서 전화를 받을 수 없어요' (I cannot answer the phone because I am driving right now). B2 learners also encounter verbs where the progressive state translates uniquely into English, such as '알고 있다' (to know) or '기억하고 있다' (to remember). Recognizing that Korean treats these cognitive processes as continuous states rather than simple present verbs is a hallmark of upper-intermediate proficiency.
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At the C1 level, the usage of 고 있다 is deeply integrated into complex, multi-clausal sentences and idiomatic expressions. Advanced learners use this pattern to describe abstract, societal, or long-term trends rather than just immediate physical actions. For example, '한국의 인구가 감소하고 있다' (Korea's population is decreasing). Here, the progressive form conveys a continuous, overarching state of affairs rather than a momentary action. C1 learners also master the subtle differences between 고 있다 and its alternatives, such as '-는 중이다' or '-아/어 가다', choosing the exact pattern that conveys the intended nuance of progression, focus, or directionality. The pattern is heavily utilized in formal writing, academic papers, and news reporting to establish context or describe the current state of research ('최근 연구가 활발히 진행되고 있다'). Furthermore, advanced learners can seamlessly navigate the ambiguity of verbs that can take both progressive and resultant state forms, using context, adverbs, and intonation to clarify meaning without hesitation. The focus shifts from simply forming the grammar correctly to employing it as a rhetorical device to emphasize continuity, background situations, or the unfolding nature of complex events.
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At the C2 level, the mastery of 고 있다 involves a near-native intuition for its stylistic and literary applications. In literature and poetry, this pattern is manipulated to manipulate pacing and atmosphere, creating a sense of immediacy or prolonged tension. C2 users understand the philosophical and cognitive implications of using the progressive form with certain abstract verbs, recognizing how it frames an action as an ongoing reality rather than a completed fact. They can effortlessly detect and produce nuanced sentences where the progressive aspect interacts with passive voice, causatives, and highly specialized vocabulary ('경제가 회복세를 보이고 있다'). Furthermore, at this level of fluency, speakers can play with the pattern for humorous or sarcastic effect, perhaps deliberately using it in slightly non-standard ways to emphasize a point, much like a native speaker might. The distinction between 'knowing' as a fact (안다) and 'knowing' as an ongoing state of awareness (알고 있다) is wielded with precise intent. Ultimately, for a C2 learner, 고 있다 is not just a grammar rule to be applied, but a fundamental aspect of the Korean temporal worldview, reflecting how actions and states are perceived as continuous threads in the fabric of time.
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Examples
The Korean grammar pattern 고 있다 is one of the most fundamental and frequently utilized structures in the Korean language. It is the direct equivalent of the present progressive tense in English, which is typically translated as to be doing something or is currently doing. When you attach this auxiliary verb structure to the stem of an action verb, it indicates that an action is currently in progress at the time of speaking or at a specific referenced time. Understanding this pattern is absolutely essential for anyone learning Korean, as it allows speakers to describe ongoing events, continuous states, and actions that are happening right now. The construction is remarkably straightforward and consistent, which makes it highly accessible for learners at the A2 level. To form it, you simply take the dictionary form of a verb, drop the final 다, and attach 고 있다 to the remaining verb stem. There are no irregular conjugations to memorize for this specific attachment, making it one of the most reliable grammar rules in the language.
Morphological Rule
Verb Stem + 고 있다. This applies regardless of whether the verb stem ends in a vowel or a consonant. For example, 먹다 becomes 먹고 있다, and 가다 becomes 가고 있다.

저는 지금 밥을 먹고 있다.

People use this pattern in a wide variety of daily situations. You will hear it constantly in casual conversations when friends ask each other what they are currently doing. For instance, the most common text message or phone greeting among friends is 뭐 하고 있어?, which means What are you doing?. In formal contexts, such as news broadcasts or business meetings, the pattern is conjugated formally as 고 있습니다 to report on ongoing developments or current projects.
Temporal Flexibility
While primarily used for the present progressive, it can be conjugated into the past (고 있었다) to mean was doing, or the future (고 있을 것이다) to mean will be doing.

비가 오고 있다.

Furthermore, this pattern is heavily used in storytelling and descriptive narratives. When setting a scene, a writer might describe the wind blowing, people walking, or birds singing, all utilizing this progressive form. It creates a vivid, dynamic image in the listener's or reader's mind.
State vs Action
For verbs involving clothing or accessories (like 입다, 신다, 쓰다), this pattern can mean both the action of putting the item on right now, OR the state of wearing it continuously.

그녀는 책을 읽고 있다.

아이들이 운동장에서 놀고 있다.

우리는 음악을 듣고 있다.

In summary, mastering this grammar point unlocks a massive portion of conversational Korean. It bridges the gap between simple factual statements and dynamic, real-time descriptions. Whether you are explaining your current actions to a friend over the phone, narrating an event as it unfolds, or describing the ongoing weather conditions outside your window, this progressive auxiliary verb is an indispensable tool in your Korean language toolkit.
Using the 고 있다 pattern in sentences is a highly systematic process that requires understanding sentence structure, verb stem extraction, and final ending conjugations based on politeness levels. Korean is an Subject-Object-Verb (SOV) language, meaning the verb always comes at the very end of the sentence. Because 고 있다 acts as an auxiliary verb, it attaches to the main action verb and takes the final position in the clause or sentence, carrying the tense and politeness markers.
Informal Politeness (해요체)
Conjugate 있다 to 있어요. The pattern becomes 고 있어요. Example: 텔레비전을 보고 있어요 (I am watching television).

친구를 기다리고 있다.

Formal Politeness (하십시오체)
Conjugate 있다 to 있습니다. The pattern becomes 고 있습니다. Example: 회의를 하고 있습니다 (We are having a meeting).

한국어를 공부하고 있다.

Intimate Politeness (해체)
Conjugate 있다 to 있어. The pattern becomes 고 있어. Example: 지금 집에 가고 있어 (I am going home now).

커피를 마시고 있다.

When constructing sentences, you must also be mindful of the subject. If the subject is a respected individual, such as a teacher, boss, or grandparent, the standard 있다 must be elevated to its honorific form, 계시다. Thus, 선생님이 책을 읽고 있습니다 (The teacher is reading a book) becomes 선생님께서 책을 읽고 계십니다. Notice how the subject marker 이 changes to the honorific 께서, and 고 있습니다 changes to 고 계십니다. This coordination of honorifics across the sentence is a critical aspect of natural Korean usage.

편지를 쓰고 있다.

음식을 만들고 있다.

In complex sentences, this pattern can be embedded within other clauses. For example, you can modify a noun with an ongoing action using the relative clause marker 는. The phrase 내가 먹고 있는 사과 means the apple that I am eating. In this case, 있다 becomes 있는. This relative clause usage is extremely powerful and allows you to create highly descriptive and specific sentences. Furthermore, you can combine this pattern with conjunctions, such as 고 있어서 (because I am doing) or 고 있지만 (I am doing it, but). By mastering these various conjugations and structural placements, you will gain immense flexibility in your Korean communication, allowing you to express complex ongoing realities with precision and natural flow.
The phrase 고 있다 is ubiquitous in Korean daily life, media, and professional environments. It is virtually impossible to consume any form of Korean content or engage in a Korean conversation without encountering this pattern multiple times. One of the most common places you will hear this is in casual phone conversations. When a Korean person answers the phone, especially when speaking to a friend or family member, the very first question is often 지금 뭐 하고 있어? (What are you doing right now?). The response will almost certainly utilize the same pattern: 나 지금 밥 먹고 있어 (I am eating right now) or 텔레비전 보고 있어 (I am watching TV).
News Broadcasts
News anchors frequently use the formal version, 고 있습니다, to report on live events. For example, 현재 비가 많이 내리고 있습니다 (It is currently raining heavily).

경찰이 사건을 조사하고 있다.

Workplace Communication
In an office setting, employees update their superiors using the honorific or formal forms. 프로젝트를 진행하고 있습니다 (We are proceeding with the project).

보고서를 작성하고 있다.

Sports Commentary
Commentators narrate the fast-paced action using this pattern to describe what athletes are doing in real-time. 선수가 달리고 있습니다! (The player is running!).

공을 던지고 있다.

Another prominent context is in Korean popular music (K-pop) and literature. Song lyrics often employ the progressive tense to express longing or continuous emotion, such as 너를 기다리고 있어 (I am waiting for you). In literature, authors use it extensively to paint a picture of the setting. When a chapter opens, it might describe the sun setting (해가 지고 있다) or the wind blowing (바람이 불고 있다) to establish the atmosphere before the dialogue begins.

너만 생각하고 있다.

눈이 내리고 있다.

Furthermore, this grammatical structure is essential in educational settings. Teachers use it to instruct students on what to focus on, and students use it to describe their study habits. You will hear phrases like 학생들이 시험을 보고 있습니다 (The students are taking an exam). Ultimately, from the most intimate late-night phone calls to the most formal national news broadcasts, the present progressive form remains a cornerstone of effective and natural Korean communication, making its mastery non-negotiable for serious learners.
While the structural conjugation of 고 있다 is incredibly simple, English speakers frequently make semantic and pragmatic errors when applying it. The most prevalent mistake is attempting to use this progressive pattern with descriptive verbs, which function as adjectives in Korean. In English, one might say I am being quiet or The weather is getting cold, using an -ing progressive form. However, in Korean, you cannot attach 고 있다 to a descriptive verb. Saying 조용하고 있다 (literally: is being quiet) or 예쁘고 있다 (is being pretty) is grammatically incorrect and sounds entirely unnatural to native speakers.
Descriptive Verb Error
Incorrect: 날씨가 춥고 있어요. Correct: 날씨가 추워지고 있어요 (The weather is becoming cold). You must use the change-of-state pattern 아/어지다 before adding the progressive form.

방이 어두워지고 있다.

Resultant State Confusion
Learners often confuse 고 있다 with 아/어 있다. For verbs of posture like 앉다 (to sit) or 서다 (to stand), using 고 있다 means the physical action of sitting down is happening right now in slow motion. If you are already seated, you must use 앉아 있다.

의자에 앉아 있다 (Not 앉고 있다).

Knowing and Understanding
In English, we say I know, not I am knowing. In Korean, however, knowing is viewed as a continuous state. Therefore, 알고 있다 (I am knowing) is the standard and correct way to say I know.

그 사실을 알고 있다.

Another area of frequent confusion involves verbs related to clothing, such as 입다 (to wear/put on), 신다 (to wear shoes), and 쓰다 (to wear a hat). The pattern 고 있다 applied to these verbs creates an inherent ambiguity. 바지를 입고 있다 can mean I am currently putting on my pants (the action) OR I am wearing pants (the ongoing state). Context usually resolves this, but learners often mistakenly think it only means the action of dressing. Furthermore, learners frequently forget to apply honorifics correctly. When speaking about a respected person's actions, using 고 있다 instead of 고 계시다 is considered mildly disrespectful. For example, saying 할아버지가 주무시고 있어요 is correct, while 할아버지가 자고 있어요 is incorrect because it fails to elevate both the verb (자다 to 주무시다) and the auxiliary (있다 to 계시다).

모자를 쓰고 있다.

사장님께서 회의를 하고 계시다.

By being aware of these specific pitfalls—especially the distinction between action progression and resultant state, the prohibition against using descriptive verbs, and the necessity of honorific agreement—learners can drastically improve the naturalness and accuracy of their Korean sentences, avoiding the most common markers of foreign-sounding speech.
There are several grammatical structures in Korean that share similarities with 고 있다, and distinguishing between them is crucial for achieving fluency. The most direct alternative is the pattern -는 중이다. This pattern translates literally to is in the middle of doing. While 고 있다 simply states that an action is progressing, -는 중이다 emphasizes that the subject is actively engaged in the middle of the process, often implying that they shouldn't be interrupted. For instance, 공부하고 있다 means I am studying, whereas 공부하는 중이다 strongly emphasizes I am in the middle of studying right now.
-는 중이다 vs 고 있다
Both mean present progressive. However, -는 중이다 cannot be used with verbs that describe a state resulting from an action, like wearing clothes. You can say 옷을 입고 있다 for wearing clothes, but 옷을 입는 중이다 ONLY means the physical action of putting them on.

지금 운전하고 있다.

아/어 있다 (Resultant State)
This pattern describes a state that continues after an action has been completed. For example, 문이 열려 있다 means the door is open (it was opened, and remains open). If you say 문이 열리고 있다, it means the door is currently swinging open.

꽃이 피어 있다 (Not 피고 있다 for the state of blooming).

-아/어 가다 (Ongoing Progression)
This pattern indicates that an action or state is continuously progressing toward the future or a goal. 다 되어 간다 means it is almost finished (progressing towards completion), which has a different nuance than simply doing.

일이 끝나 가고 있다.

Another interesting comparison is with the simple present tense. In Korean, the simple present (e.g., 먹어요) can sometimes act as a present progressive depending on the context. If someone asks what you are doing, replying 밥 먹어요 is perfectly acceptable and implies the same meaning as 밥 먹고 있어요. However, the simple present can also indicate general truths or future intentions (I eat rice, or I will eat rice), whereas 고 있다 strictly locks the meaning into the present continuous action. This makes the progressive form much more precise and less ambiguous.

숙제를 하고 있다.

숙제를 하는 중이다.

Understanding these alternatives allows a learner to express subtle nuances. Choosing -는 중이다 when you want to emphasize your busyness, or recognizing when to use 아/어 있다 for a completed state, demonstrates a sophisticated grasp of Korean temporal and aspectual grammar. While 고 있다 is the default and most versatile option, these alternatives enrich your expressive capabilities.
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Examples by Level

1

저는 지금 밥을 먹고 있어요.

I am eating a meal right now.

먹다 (to eat) + 고 있어요 (am doing).

2

친구가 자고 있습니다.

My friend is sleeping.

자다 (to sleep) + 고 있습니다 (formal progressive).

3

비가 오고 있어요.

It is raining.

오다 (to come) + 고 있어요. Used for weather.

4

동생이 책을 읽고 있어.

My younger sibling is reading a book.

읽다 (to read) + 고 있어 (casual progressive).

5

우리는 한국어를 공부하고 있어요.

We are studying Korean.

공부하다 (to study) + 고 있어요.

6

엄마가 요리하고 있습니다.

Mom is cooking.

요리하다 (to cook) + 고 있습니다.

7

제가 음악을 듣고 있어요.

I am listening to music.

듣다 (to listen) + 고 있어요.

8

학생들이 놀고 있어요.

The students are playing.

놀다 (to play) + 고 있어요.

1

어제 밤에 텔레비전을 보고 있었어요.

I was watching television last night.

보다 + 고 있었다 (past progressive).

2

지금은 일하지 않고 있어요.

I am not working right now.

일하다 + 지 않고 있다 (negative progressive).

3

무슨 생각을 하고 있어요?

What are you thinking about?

생각하다 (to think) + 고 있어요. Used as a question.

4

버스를 기다리고 있습니다.

I am waiting for the bus.

기다리다 (to wait) + 고 있습니다.

5

친구가 밖에서 울고 있어요.

My friend is crying outside.

울다 (to cry) + 고 있어요.

6

저는 지금 편지를 쓰고 있습니다.

I am writing a letter right now.

쓰다 (to write) + 고 있습니다.

7

아이들이 그림을 그리고 있어요.

The children are drawing pictures.

그리다 (to draw) + 고 있어요.

8

강아지가 뛰어놀고 있어.

The puppy is running around playing.

뛰어놀다 (to run and play) + 고 있어.

1

그녀는 예쁜 원피스를 입고 있어요.

She is wearing a pretty dress.

입다 + 고 있다. Here it indicates the ongoing state of wearing.

2

제가 찾고 있는 물건이 아니에요.

It is not the item that I am looking for.

고 있는 modifies the noun 물건 (item).

3

바람이 강하게 불고 있었습니다.

The wind was blowing strongly.

불다 + 고 있었다. Descriptive narrative.

4

우리는 그 문제에 대해 이야기하고 있어요.

We are talking about that problem.

이야기하다 + 고 있어요.

5

저는 그 사실을 이미 알고 있습니다.

I already know that fact.

알다 + 고 있다. Knowing is a continuous state in Korean.

6

안경을 쓰고 있어서 눈이 안 보여요.

I can't see your eyes because you are wearing glasses.

고 있어서 combines progressive with a reason (because).

7

지금 샤워를 하고 있는 중이에요.

I am in the middle of taking a shower right now.

Combines 고 있다 with 는 중이다 for strong emphasis on the ongoing action.

8

문을 열려고 노력하고 있어요.

I am trying (making an effort) to open the door.

노력하다 + 고 있어요.

1

선생님께서 학생들을 가르치고 계십니다.

The teacher is teaching the students.

Honorific subject requires 고 계시다 instead of 고 있다.

2

내일 이 시간에는 비행기를 타고 있을 거예요.

At this time tomorrow, I will be flying (riding an airplane).

Future progressive: 고 있을 것이다.

3

할아버지께서 거실에서 주무시고 계세요.

Grandfather is sleeping in the living room.

Double honorifics: 주무시다 (sleep) + 고 계시다.

4

경제가 점차 회복되고 있습니다.

The economy is gradually recovering.

Passive verb 회복되다 + 고 있다. Used for trends.

5

회의를 진행하고 있으니 나중에 전화해 주세요.

I am conducting a meeting, so please call me later.

고 있으니 indicates a reason based on an ongoing action.

6

그 사람은 항상 거짓말을 하고 있어.

That person is always lying.

Used with '항상' to express a habitual, ongoing negative action.

7

경찰이 사건의 진상을 조사하고 있는 중입니다.

The police are in the midst of investigating the truth of the incident.

Formal investigation context using 고 있는 중입니다.

8

아무리 생각해도 이해하지 못하고 있어요.

No matter how much I think about it, I am failing to understand.

Negative progressive expressing a continuous state of inability.

1

지구 온난화로 인해 해수면이 상승하고 있다.

Due to global warming, sea levels are rising.

Formal written style (해라체) used for scientific facts.

2

전통 문화가 현대 사회에서 점차 사라지고 있는 실정이다.

The reality is that traditional culture is gradually disappearing in modern society.

고 있는 modifies 실정 (reality/situation).

3

정부는 새로운 정책을 검토하고 있는 것으로 알려졌다.

It is known that the government is reviewing a new policy.

고 있는 것으로 알려졌다 is a common journalistic structure.

4

그는 자신의 실수를 뼈저리게 후회하고 있었다.

He was bitterly regretting his mistake.

Past progressive combined with an evocative adverb (뼈저리게).

5

두 국가는 오랫동안 갈등을 겪고 있습니다.

The two countries have been experiencing conflict for a long time.

Expressing a long-term, ongoing macro-level situation.

6

이 기술은 다양한 분야에서 활용되고 있는 추세입니다.

The trend is that this technology is being utilized in various fields.

고 있는 추세이다 (trend of doing/being done).

7

사장님께서 그 건에 대해 심사숙고하고 계신 줄 압니다.

I understand that the CEO is deeply contemplating that matter.

Honorific progressive embedded in a 'knowing that' clause.

8

우리는 끊임없이 변화하는 세상 속에 살고 있다.

We are living in a constantly changing world.

살고 있다 expresses the continuous state of existence.

1

인간은 누구나 죽음을 향해 걸어가고 있는 존재다.

Every human is a being that is walking towards death.

Philosophical and literary application of the progressive form.

2

그의 눈빛은 말할 수 없는 슬픔을 머금고 있었다.

His eyes were harboring an unspeakable sadness.

Poetic usage; 머금다 (to harbor/contain) + 고 있었다.

3

시대의 흐름에 역행하고 있다는 비판을 면하기 어렵다.

I

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