How to Use 을/를 in Korean: Rules, Examples, and Natural Usage

The Korean object particle 을/를 helps show which noun receives the action of a verb. Learning when to use 을 or 를 is an important step in building natural Korean sentences. In this lesson, you’ll learn the basic rules, see beginner-friendly examples, and discover how native speakers use 을/를 in everyday conversation.

1. What Does 을/를 Actually Do in a Korean Sentence?

The Korean object particle 을/를 shows which noun receives the action in a Korean sentence.

• 저는 책을 읽어요.
  (I read a book.)

The action is 읽어요.

The thing receiving that action is 책.

That’s why 책 takes 을.

In Korean, nouns that receive the action of a verb usually take 을 or 를.

The object particle 을/를 helps listeners understand what the action is directed toward. Even when Korean word order changes, the particle makes the role of the noun clear.

2. When to Use 을 vs 를

Learn when to use 을 or 를 based on whether a noun ends in a consonant or a vowel.

The choice between 을 and 를 is based on the final sound of the noun.

Use 을 after a noun ending in a consonant.

Use 를 after a noun ending in a vowel.

How to Choose Between 을 and 를

Noun	Final Sound	Particle	Example	Meaning
책	Consonant	을	집을 청소해요.	I clean the house.
밥	Consonant	을	밥을 먹어요.	I eat a meal.
우유	Vowel	를	우유를 마셔요.	I drink milk.
노래	Consonant	를	노래를 불러요.	I sing a song.

You only need to check the last sound of the noun.

If the noun ends in a consonant, use 을.

If the noun ends in a vowel, use 를.

The meaning does not change. Only the form changes.

3. Building Simple Korean Sentences with 을/를

See how the Korean object particle 을/를 appears in simple Korean sentence patterns.

Once you know what 을/를 does and how to choose between 을 and 를, you can start building simple Korean sentences.

A basic Korean sentence often follows this pattern:

Subject + Object + Verb

Look at the examples below.

• 저는 지도를 봐요.
  (I look at a map.)
• 형이 양말을 찾아요.
  (My older brother looks for socks.)
• 언니가 엽서를 보내요.
  (My older sister sends a postcard.)
• 학생이 한국어를 배워요.
  (The student learns Korean.)

In each sentence, the noun before 을/를 receives the action of the verb.

You do not need to memorize sentence patterns right away.

As you read and listen to more Korean, you will naturally start noticing where 을/를 appears.

4. When Native Koreans Leave Out 을/를

In real Korean conversations, you will often hear sentences without 을/를.

This can be confusing at first because many textbooks include the particle.

Look at these two sentences.

• 저는 영화를 봤어요.
  (I watched a movie.)
• 저는 영화 봤어요.
  (I watched a movie.)

Both sentences are natural.

The second sentence is very common in everyday conversation.

This does not mean 을/를 is wrong or unnecessary. It simply means spoken Korean often becomes shorter when the context is clear.

Korean Speakers Often Use Shorter Sentences

When the meaning is easy to understand, Korean speakers often leave out 을/를.

For example:

• 저는 숙제를 했어요.
  (I did my homework.)
• 저는 숙제 했어요.
  (I did my homework.)

Both versions have the same meaning.

You will hear the shorter version very often in spoken Korean.

Here is another example.

• 음악을 들어요.
  (I listen to music.)
• 음악 들어요.
  (I listen to music.)

Again, both sentences are natural.

The particle is simply left out.

Common Examples in Everyday Korean

These expressions are often heard without 을/를.

• 사진 찍었어요.
  (I took a photo.)
• 운동했어요.
  (I exercised.)
• 전화했어요.
  (I made a phone call.)
• 드라마 봤어요.
  (I watched a drama.)

If you watch Korean videos or listen to Korean conversations, you will hear these shorter forms quite often.

That is why spoken Korean sometimes sounds different from textbook Korean.

Should Beginners Leave Out 을/를?

Not yet.

When you are learning Korean, it is better to use 을/를 first.

• 저는 가방을 샀어요.
  (I bought a bag.)
• 저는 케이크를 만들었어요.
  (I made a cake.)

These sentences are clear and natural.

As you hear more Korean, you will start noticing when native speakers leave out the particle.

For now, learning the basic pattern is enough.

5. Real Korean Conversation Examples Using 을/를

These short conversations show how the Korean object particle 을/를 appears in everyday situations.

Studying at School

A: 오늘 뭐 공부해요?

(What are you studying today?)

B: 과학을 공부해요.

(I study science.)

Shopping for Clothes

A: 뭐 샀어요?

(What did you buy?)

B: 모자를 샀어요.

(I bought a hat.)

Visiting a Museum

A: 어제 뭐 구경했어요?

(Where did you look around yesterday?)

B: 박물관을 구경했어요.

(I looked around a museum.)

Weekend Hobby

A: 주말에 뭐 했어요?

(What did you do on the weekend?)

B: 퍼즐을 맞췄어요.

(I completed a puzzle.)

Ordering Food

A: 뭐 먹어요?

B: 김밥을 먹어요.

6. Common Confusions About 을/를

This section shows where 을/를 is often confused with other Korean particles.

Difference Between 을/를 and 이/가

These two particles often appear in the same sentence, but they have different roles.

• 강아지가 생선을 먹어요.
  (The puppy eats fish.)

강아지 does the action.

생선 receives the action.

👉 See the complete 이/가 guide for more examples and real conversation patterns.

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Difference Between 을/를 and 은/는

These particles can appear after the same noun, but they do not mean the same thing.

• 차를 좋아해요.
  (I like tea.)
• 차는 좋아해요.
  (As for tea, I like it.)

차를 좋아해요 is a simple statement. 차는 좋아해요 can sound like “I like tea, at least,” or “As for tea, I like it.”

👉 See the complete 은/는 guide for more examples and common usage patterns.

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Difference Between 을/를 and 에

Some beginners use 을/를 after places when the verb requires 에.

❌ 저는 시장을 가요.

⭕ 저는 시장에 가요.

(I go to the market.)

👉 See the complete 에 guide for more examples and location expressions.

7. Practice Exercises: Choose the Correct Particle

Test your understanding of the Korean object particle 을/를 with these beginner-friendly practice exercises.

Practice Exercises

No.	Sentence	Meaning	Options
1	연필__ 사요.	I buy a pencil.	을 / 를
2	바나나__ 먹어요.	I eat a banana.	을 / 를
3	노트북__ 사용해요.	I use a laptop.	을 / 를
4	신발__ 신어요.	I wear shoes.	을 / 를
5	과자__ 만들어요.	I make snacks.	을 / 를
6	거울__ 닦아요.	I clean a mirror.	을 / 를
7	우산__ 가져와요.	I bring an umbrella.	을 / 를
8	쿠폰__ 받아요.	I receive a coupon.	을 / 를
9	시계__ 차요.	I wear a watch.	을 / 를
10	사전__ 펴요.	I open a dictionary.	을 / 를

Answers and Explanations

1. 연필을 사요.

연필 ends in a consonant, so use 을.

2. 바나나를 먹어요.

바나나 ends in a vowel, so use 를.

3. 노트북을 사용해요.

노트북 ends in a consonant, so use 을.

4. 신발을 신어요.

신발 ends in a consonant, so use 을.

5. 과자를 만들어요.

과자 ends in a vowel, so use 를.

6. 거울을 닦아요.

거울 ends in a consonant, so use 을.

7. 우산을 가져와요.

우산 ends in a consonant, so use 을.

8. 쿠폰을 받아요.

쿠폰 ends in a consonant, so use 을.

9. 시계를 차요.

시계 ends in a vowel, so use 를.

10. 사전을 펴요.

사전 ends in a consonant, so use 을.

8. Frequently Asked Questions About 을/를

These frequently asked questions cover common situations involving the Korean object particle 을/를.

Q1. When do you use 을/를 in Korean?

Use 을/를 after the noun that receives the action of a verb. This particle shows what the action is directed toward in a Korean sentence.

Q2. Can 을/를 be used with adjectives?

No. 을/를 is usually used with action verbs. Most Korean adjectives do not take an object marked by 을/를.

Q3. Can I use 을/를 with every Korean verb?

No. Many verbs use 을/를, but some verbs require other particles. For example, 가다 and 오다 usually use 에 instead of 을/를.

Q4. Can I use 을/를 after a person’s name?

Yes. A person’s name can take 을/를 when that person receives the action of the verb. The choice between 을 and 를 depends on the final sound of the name.

Q5. Is 을/를 always necessary in Korean?

No. 을/를 is not always necessary in casual Korean conversation. Native speakers often leave it out when the meaning is clear, but beginners should learn the full form first.

9. Final Thoughts on 을/를

The Korean object particle 을/를 marks the noun that receives the action of a verb. Use 을 after a consonant and 를 after a vowel. Once you can identify the object in a sentence, choosing between 을 and 를 becomes much easier.

10. Related Korean Grammar

Continue building your Korean grammar foundation with these related lessons.

이/가

Learn how Korean speakers mark the subject of a sentence with 이/가.

👉 Read the complete 이/가 guide.

은/는

Learn how 은/는 introduces a topic and creates contrast in Korean.

👉 Read the complete 은/는 guide.

에

Learn how 에 is used for locations, destinations, and time expressions.

👉 Read the complete 에 guide.

도

Learn how 도 means “also” or “too” and replaces other particles.

👉 Read the complete 도 guide.

만

Learn how 만 means “only” and limits the meaning of a noun.

👉 Read the complete 만 guide.