Dropping the Subject in Korean: Meaning, Rules and Examples

What you'll learn

• Say short Korean sentences without "I" and "you".
• Decide when to keep a subject: new topic, contrast or unclear meaning.
• Work out the missing subject from the sentence type.
• Replace 당신 with a name, a title or nothing.

Prerequisites: the lesson on 아니에요 not to be and the subject-object-verb order. Time: about 15 minutes.

Key facts

• Korean drops the subject, the object and pronouns whenever the context shows who or what they are.
• A dropped subject in a statement is usually the speaker. In a question it is usually the listener.
• Keep the subject for a new topic, a contrast, an answer to "who", or an unclear sentence.
• 당신 is rarely used for "you". Korean uses names, titles or no word at all.
• Dropping a subject is normal in speech and in writing. It is not careless.

Listen to the two model sentences for this lesson.

The next section explains what a dropped subject is and why Korean allows it.

What Is Dropping the Subject in Korean?

Dropping the subject in Korean means that the sentence has no word for the doer, because context already shows it. A subject is the person or thing that does the action or is described. English needs a subject in nearly every sentence: "It is cold", "I am going". Korean does not. 추워요 alone can mean "I am cold" or "It is cold", depending on the situation.

Linguists call a language like this a pro-drop language, which means that the pronoun can be dropped. Japanese, Spanish and Chinese also drop subjects, but Korean does it very often. In a conversation, once the speaker and the listener are known, nobody repeats "I" and "you" in every sentence.

Why is this possible? Korean verbs do not change for person, so the verb carries no clue. The clues come from four other places: the situation, the previous sentence, the particles on the other nouns, and the politeness of the verb ending. A listener combines them without effort.

A First Example

Here is a short dialogue. The English version needs four extra words.

Every line is complete, natural Korean without a single pronoun. The English translation needs "you" in lines 1 and 3 and "I" in lines 2 and 4. The Korean listener fills them in from the situation.

The rule that decides when you can do this is described in the next section.

How Does Dropping the Subject in Korean Work?

Dropping the subject works on one test: would the listener lose track of who is meant? If not, drop the subject. If yes, keep it. This test gives a short rule table.

The particles stay attached to the subject whenever you keep it. A particle is a small marker attached to a noun that shows its role. The topic particle 은/는 is taught in topic particle 은/는 and the subject particle 이/가 in subject particle 이/가. A new answer to "who" takes 이/가, while a known topic takes 은/는.

Who is the missing subject? Korean listeners use a default. In a statement, the dropped subject is usually the speaker: 배고파요 means "I am hungry". In a question, it is usually the listener: 배고파요? means "Are you hungry?" The words are identical, and only the tone and the sentence type change the person. This works especially well with feelings and wishes, such as 좋아요, 싫어요 and 피곤해요.

The next section builds a natural conversation line by line.

Worked Example: Turning an English Dialogue into Korean

To drop the subject correctly, start with a full sentence and remove what the listener does not need. Five steps cover every dropped-subject sentence.

1. Write the full sentence. "Where are you going?" is 당신은 어디에 가요? if you translate every word.
2. Find the pronoun. The subject is 당신은, "you".
3. Ask whether the listener needs it. The speaker is talking to the listener, so "you" is obvious.
4. Delete the subject and its particle. 당신은 어디에 가요? becomes 어디에 가요?
5. Shorten if the speech is casual. Native speakers often shorten further to 어디 가요?, because 에 is also dropped in quick speech.

You'll know it worked when the sentence has a question word or a verb and no pronoun, and a Korean listener would still know whom you mean. Compare the answer: 저는 학교에 가요 becomes 학교에 가요, and the dialogue sounds like real Korean.

Now try the reverse. Cover the English column in the first table and read the Korean lines aloud as if you were both speakers. If any line seems to need a pronoun, remember that the situation provides it.

The next section compares a dropped subject with an overt pronoun.

Dropped Subject vs Overt Pronoun

A dropped subject and an overt pronoun can describe the same event, but they sound different. The overt pronoun is correct Korean, and it is a deliberate choice that adds contrast or emphasis.

Overt 저는 is not wrong. At the start of a speech, in an interview or in a self-introduction, 저는 is natural: 저는 민수예요. The difference is repetition. Saying 저는 in every sentence, as in "I go. I eat. I study," sounds like a translated text.

Overt 당신은 deserves special care. The word 당신 is rarely used for a listener in everyday life. Couples sometimes use it, and it appears in songs and advertising, but between strangers it can sound rude. In normal speech Koreans address a listener by name plus 씨, by a title such as 선생님, or by saying nothing. The full range of "you" words is explained in Korean word for you, and the general pronouns are in Korean pronouns.

The next section looks at the cases where the subject must stay.

When Do You Keep the Subject, and When Not?

Keep the subject when dropping it would confuse the listener or remove an intended meaning. Three situations call for it.

1. A new topic. The first time you bring up a person or thing, name it. 소영 씨는 의사예요 introduces Soyoung. A follow-up sentence can then drop the subject: 병원에서 일해요 ("works at a hospital").

2. Contrast. When two subjects are compared, both keep their topic particle. 저는 커피를 마셔요. 친구는 차를 마셔요. The 은/는 pair signals "as for me ... as for my friend". Dropping both subjects would erase the contrast.

3. Answering "who". The answer to 누가 왔어요? ("Who came?") has to name the person, so the subject stays: 민수가 왔어요. The particle is 이/가 because the person is new information.

Objects and other parts drop too. The subject is not the only part that can disappear. If someone asks 책 읽었어요? ("Did you read the book?"), the answer 네, 읽었어요 leaves out both "I" and "it". Korean drops whatever the context supplies.

What this lesson does not cover. Omitting particles such as 이/가 and 을/를 is a related habit, taught in omitting particles in Korean. Honorific endings that show the subject's status, such as -(으)시-, appear in the honorific lessons.

An honest limit. Dropping the subject has a cost: if a conversation has three or more people, or the situation is unclear, a dropped subject can cause a real misunderstanding. When you are unsure, add the name. A clear sentence is better than a short one.

The next section lists the errors that appear most often.

What Mistakes Do Learners Make When Dropping the Subject?

Learners make four predictable mistakes with subject omission. Each has a reason and a fix.

Learners often assume every sentence needs a subject. Actually Korean listeners find repeated pronouns tiring. Wrong style: 저는 학교에 가요. 저는 점심을 먹어요. 저는 공부해요. Better: 학교에 가요. 점심을 먹어요. 공부해요. Fix: state the subject once, then drop it.

Learners often assume 당신 is the Korean word for "you". Actually it works only in a few situations, and it can sound rude between strangers. Wrong: 당신은 뭐 먹어요? Better: 뭐 먹어요? or 민수 씨는 뭐 먹어요? Fix: use a name plus 씨, a title, or nothing.

Learners often assume a dropped subject can be any person. Actually the default person is "I" in statements and "you" in questions. If you mean "he" or "she", you need to name them or have them in the previous sentence. Wrong: saying 학생이에요 about a stranger with no introduction. Fix: name the person first.

Learners often assume the sentence can shrink to a bare verb in every case. Actually the answer to a "who" question must name the person. Wrong: 먹어요 as the answer to 누가 먹어요? Right: 민수가 먹어요. Fix: before you drop the subject, check that the listener is not waiting for exactly that word.

An honest limit: textbook examples make the rules look tidier than real talk. Real speakers mix dropped and overt subjects according to rhythm, emphasis and politeness, and no rule predicts every case.

Practice puts these rules into your own sentences, as the next section shows.

Practice and Answers

Complete the four tasks, then compare your answers with the key.

Task 1: cross out the extra words. Rewrite each line as natural Korean by removing the unneeded pronoun.

1. 당신은 어디에 가요?
2. 저는 밥을 먹어요.
3. 저는 배고파요.

Task 2: guess the missing subject. Is the dropped subject "I" or "you"?

1. 배고파요.
2. 배고파요?
3. 피곤해요?

Task 3: keep or drop? Say whether the subject should stay in each case: (a) You mention your teacher for the first time. (b) You and a friend compare what you drink. (c) Someone asks "Who called?"

Task 4: write your own. Write a two-line dialogue between friends without any pronouns.

Answer key

1. (1) 어디에 가요? or 어디 가요? (2) 밥을 먹어요. (3) 배고파요.
2. (1) I. (2) you. (3) you.
3. (a) keep, because the topic is new. (b) keep, because of the contrast. (c) keep, because the answer must name the person.
4. Sample answer: 뭐 해요? / 공부해요. ("What are you doing?" / "I am studying.") Any dialogue is correct if it is clear without pronouns.

If you completed task 1 and task 2 correctly, you have the core habit. If task 3 was hard, ask whether the listener would lose track of the person. The next section points you to what comes after this lesson.

What Should You Learn after Dropping the Subject in Korean?

After dropping the subject in Korean, learn the related habit of dropping the particles in omitting particles in Korean. Then study the different ways to address a listener in Korean word for you, which replaces 당신 with real options.

For a wider view, the parent page Korean sentence structure shows how this lesson fits with the copula, existence and word order lessons. If you need to revisit the word order that makes dropping possible, the lesson on the Korean SOV sentence pattern comes first.

This lesson covers everyday subject omission only. It does not cover formal writing conventions, honorific agreement or third-person pronouns such as 그 and 그녀 in detail. About this page. Last updated 2026-10-09. The Korean text, spoken forms and audio on this page were machine-generated and reviewed and signed off by Min-ji Park on 15 October 2026. Romanization follows the Revised Romanization of Korean and is shown only as a learning aid.

Frequently Asked Questions

What does subject omission mean? Subject omission means leaving the subject out of a sentence when the listener can already work out who it is. Korean does this all the time. 밥 먹었어요? has no word for "you", yet it means "Did you eat?" because the situation and the question form make the subject clear. English cannot drop its subject in the same way.

When can I drop the subject in Korean? Drop the subject when the speaker, the listener and the topic are all known from the situation or the previous sentence. In a statement the dropped subject is usually "I", and in a question it is usually "you". Keep the subject when you introduce a new topic, show a contrast, or answer a "who" question.

What is the most common mistake with dropping the subject? The most common mistake is translating every English pronoun, so each sentence starts with 저는 or 당신은. The result is grammatical but stiff, and 당신은 can sound rude. The second mistake is dropping the subject when a new person enters the conversation, which leaves the listener unsure who is meant.

How is dropping the subject different from using a pronoun? A pronoun names the person with a word such as 저는 or 그는. A dropped subject names nobody and relies on context. Korean prefers the dropped subject for people already in the conversation, and it prefers names or titles over pronouns for others. Overt pronouns appear mainly for contrast, emphasis or clarity.

Do I drop the subject in speech, writing or both? Both. Everyday speech drops the subject most often. Writing drops it too, especially when a topic has already been introduced, though careful writing may restate the subject at the start of a new paragraph. A learner can follow the speech habit in conversation and restate the subject in formal writing for clarity.