Chapter 10: The particle that marks what you're doing *to* something — Mastering "을/를"
"신문을 봅니다."
I'm reading the newspaper.
But here's what makes Korean different: that tiny particle 을 isn't just grammar. It's direction. It's saying: my action is going toward the newspaper. I'm not just reading (generally). I'm reading the newspaper (specifically).
The object particle 을/를 marks what you're doing something to. It answers the question: "What are you reading? What are you eating? What do you like?" Every time you want to tell someone what your action is targeting, you use 을/를.
And here's the catch that makes it interesting: whether you use 을 or 를 depends on whether the noun ends in a consonant or vowel. It's your first encounter with Korean's sophisticated system of sound harmony — the language adapts to the sounds that come before.
By the end of this chapter, you'll not just know the rule. You'll feel when 을 and 를 belong, because your ear will have learned Korean's rhythm.
Part 1: 을/를 — The Object Particle
What It Does
The particle 을/를 attaches to a noun to mark it as the object of a sentence — the thing that a verb is acting upon. In English, we show this through word order ("I eat apple" vs. "apple eats me"). In Korean, you show it through 을/를.
Hangul: 을/를
Romanization: -eul / -reul
Vibe Translation: "This is what I'm doing something to. This is the target, the recipient, the thing being acted upon."
The Rule: Consonant vs. Vowel
If the noun ends in a CONSONANT (Batchim) : Use 을
Examples: 책 (book) → 책을, 신문 (newspaper) → 신문을, 밥 (rice) → 밥을
If the noun ends in a VOWEL: Use 를
Examples: 과자 (snack) → 과자를, 우유 (milk) → 우유를, 과일 (fruit) → 과일를
Consonant = 을 | Vowel = 를
Why this matters: This is Korean *sound harmony*. The language doesn't like certain sound combinations, so it adapts the particle to match the noun's ending sound. Once you practice, you won't think about the rule — your mouth will just know which one feels right.
Example 1: Reading (consonant ending)
그 친구는 신문을 봅니다.
Word-by-word: 그 친구 (that friend) + 는 (topic) + 신문 (newspaper - ends in ㄴ consonant) + 을 (object) + 봅니다 (reads).
Vibe: You're watching someone focus intently on a newspaper. The 을 marks that the newspaper is the specific target of their reading.
English: "That friend is reading the newspaper."
Word-by-word: 그 친구 (that friend) + 는 (topic) + 신문 (newspaper - ends in ㄴ consonant) + 을 (object) + 봅니다 (reads).
Vibe: You're watching someone focus intently on a newspaper. The 을 marks that the newspaper is the specific target of their reading.
English: "That friend is reading the newspaper."
Example 2: Liking (vowel ending)
이 아이는 과자를 좋아합니다.
Word-by-word: 이 아이 (this child) + 는 (topic) + 과자 (snack - ends in ㅏ vowel) + 를 (object) + 좋아합니다 (likes).
Vibe: You're watching a child's face light up at the sight of treats. The 를 marks snacks as the specific object of their affection.
English: "This child likes snacks."
Word-by-word: 이 아이 (this child) + 는 (topic) + 과자 (snack - ends in ㅏ vowel) + 를 (object) + 좋아합니다 (likes).
Vibe: You're watching a child's face light up at the sight of treats. The 를 marks snacks as the specific object of their affection.
English: "This child likes snacks."
Example 3: Eating (vowel ending)
저녁에 보통 과일을 먹습니다.
Word-by-word: 저녁에 (in the evening) + 보통 (usually) + 과일 (fruit) + 을 (object) + 먹습니다 (I eat).
Vibe: You're describing your evening routine — the specific thing you eat, the target of your action. Fruit.
English: "I usually eat fruit for dinner."
Word-by-word: 저녁에 (in the evening) + 보통 (usually) + 과일 (fruit) + 을 (object) + 먹습니다 (I eat).
Vibe: You're describing your evening routine — the specific thing you eat, the target of your action. Fruit.
English: "I usually eat fruit for dinner."
Pro Tip: The easiest way to learn this is to say it out loud. Say "책을" and "과자를" repeatedly. Your mouth will start to prefer one over the other based on the sound. Korean is as much about feeling the right sound as it is about knowing the rule.
문법 연습 (Grammar Practice)
Exercise 1: 맞는 것에 O 표시를 하십시오 (Mark the Correct Answer)
Choose the correct particle: 을 or 를? Write O if correct, X if incorrect.
[보기 | Example]: 저는 가방 (을/를) 삽니다.
Answer: 를 (가방 ends in ㅇ, which is Batchim , so use 을)
저는 가방을 삽니다. ✓ Correct
Now mark O or X:
1. 나는 책을 읽습니다. (I read a book.)
책 (book) ends in: ㄱ (consonant)
O (Correct) X (Incorrect)
2. 나는 우유를 마십니다. (I drink milk.)
우유 (milk) ends in: ㅠ (vowel)
O (Correct) X (Incorrect)
3. 나는 영화를 봅니다. (I watch a movie.)
영화 (movie) ends in: ㅏ (vowel)
O (Correct) X (Incorrect)
4. 나는 밥을 먹습니다. (I eat rice.)
밥 (rice) ends in: ㅂ (consonant)
O (Correct) X (Incorrect)
5. 나는 커피를 좋아합니다. (I like coffee.)
커피 (coffee) ends in: ㅣ (vowel)
O (Correct) X (Incorrect)
Exercise 2: 대답을 쓰십시오 (Write the Answer)
Answer the questions using the object particle 을/를. Follow the example:
[보기 | Example]:
가: 무엇을 삽니까? (What do you buy?)
나: 우유를 삽니다. (I buy milk.)
Now answer these questions:
1. 무엇을 먹습니까? (What do you eat?)
Hint: banana (바나나)
답: _______________________________________
2. 무엇을 봅니까? (What do you watch?)
Hint: movie (영화)
답: _______________________________________
3. 무엇을 좋아합니까? (What do you like?)
Hint: snack (과자)
답: _______________________________________
4. 무엇을 마십니까? (What do you drink?)
Hint: juice (주스)
답: _______________________________________
📖 Reading Comprehension: 친구랑 이야기 (Talking With a Friend)
Read this passage about Sindong's daily activities. Then answer the questions below.
신동의 일상 (Sindong's Daily Life)
1. 신동 씨는 춤 추는 것을 좋아합니다. 매일 저녁에 춤을 춥니다.
Sindong likes dancing. He dances every evening.
2. 노라도 매일 듣습니다. 특히 한국 음악을 좋아합니다.
He listens to songs every day. He especially likes Korean music.
3. 숙제도 날마다 합니다. 책을 읽고 문제를 풉니다.
He also does homework every day. He reads books and solves problems.
4. 산책을 가끔 합니다. 공원에서 산책을 하면서 생각을 합니다.
He sometimes takes walks. He thinks while taking walks in the park.
5. 요리를 자주 합니다. 친구들을 위해 음식을 만듭니다.
He cooks often. He makes food for his friends.
Exercise 3: 질문에 답하십시오 (Answer the Questions)
Answer based on the passage. Use the object particle 을/를 in your answers.
1. 신동이 무엇을 좋아합니까?
What does Sindong like?
_______________________________________
2. 신동이 매일 무엇을 합니까?
What does Sindong do every day?
_______________________________________
3. 신동이 공원에서 무엇을 합니까?
What does Sindong do in the park?
_______________________________________
4. 신동이 무엇을 자주 합니까?
What does Sindong do often?
_______________________________________
Exercise 4: 참/거짓 (True/False)
Write 참 (true) or 거짓 (false):
1. 신동이 춤 추는 것을 싫어합니다.
Sindong dislikes dancing.
참 (True) 거짓 (False)
2. 신동이 노래를 자주 듣습니다.
Sindong listens to songs often.
참 (True) 거짓 (False)
3. 신동이 숙제를 하지 않습니다.
Sindong does not do homework.
참 (True) 거짓 (False)
4. 신동이 음식을 친구들을 위해 만듭니다.
Sindong makes food for his friends.
참 (True) 거짓 (False)
문화적 미묘함 (Cultural Nuance)
Korean Specificity: Naming What You Do
In English, we can be vague: "I like things." "I read stuff." "I do activities." Koreans don't talk this way. The object particle 을/를 forces you to be specific.
You can't just say "I read" (읽습니다). You have to name what you're reading: "신문을 읽습니다" (newspaper + object particle + read).
When a Korean person asks "무엇을 하십니까?" (What are you doing?), they're not asking for a vague answer. They expect you to name the thing, the action's target. It's a form of directness that shows respect — you're giving them real information, not abstractions.
Your Turn: What Do You Do?
Write five sentences describing things you do, using the object particle 을/를. Be specific. Name the things your actions target.
나는 [Noun]을/를 [Verb]합니다.
Share in the comments: Tell us five things you do. What do you read? What do you eat? What do you like? What do you listen to? Use 을/를 and be specific.
💭 From Wookie
Chapter 10 is where you start to control your Korean. You're no longer just naming things and places. You're describing what you do to things, what you target with your actions.
Questions about 을/를? Unsure about consonant vs. vowel? Leave a comment. We're building precision together.
📚 Answer Key
Exercise 1 Answers (O or X):
- O (Correct — 책 ends in consonant ㄱ, so use 을)
- O (Correct — 우유 ends in vowel ㅠ, so use 를)
- O (Correct — 영화 ends in vowel ㅏ, so use 를)
- O (Correct — 밥 ends in consonant ㅂ, so use 을)
- O (Correct — 커피 ends in vowel ㅣ, so use 를)
Exercise 2 Sample Answers:
- 바나나를 먹습니다. (I eat a banana.)
- 영화를 봅니다. (I watch a movie.)
- 과자를 좋아합니다. (I like snacks.)
- 주스를 마십니다. (I drink juice.)
Exercise 3 Answers:
- 춤 추는 것을 좋아합니다. (He likes dancing. / 한국 음악을 좋아합니다. — He likes Korean music.)
- 춤을 춥니다. / 노래를 듣습니다. / 숙제를 합니다. (He dances / listens to songs / does homework.)
- 산책을 합니다. / 생각을 합니다. (He takes walks / thinks.)
- 요리를 합니다. (He cooks.)
Exercise 4 True/False Answers:
- 거짓 (False — He likes dancing, not dislikes)
- 참 (True — He listens to songs every day, which means often)
- 거짓 (False — He does homework every day)
- 참 (True — He makes food for his friends)
Exercise 1 Answers (O or X):
- O (Correct — 책 ends in consonant ㄱ, so use 을)
- O (Correct — 우유 ends in vowel ㅠ, so use 를)
- O (Correct — 영화 ends in vowel ㅏ, so use 를)
- O (Correct — 밥 ends in consonant ㅂ, so use 을)
- O (Correct — 커피 ends in vowel ㅣ, so use 를)
Exercise 2 Sample Answers:
- 바나나를 먹습니다. (I eat a banana.)
- 영화를 봅니다. (I watch a movie.)
- 과자를 좋아합니다. (I like snacks.)
- 주스를 마십니다. (I drink juice.)
Exercise 3 Answers:
- 춤 추는 것을 좋아합니다. (He likes dancing. / 한국 음악을 좋아합니다. — He likes Korean music.)
- 춤을 춥니다. / 노래를 듣습니다. / 숙제를 합니다. (He dances / listens to songs / does homework.)
- 산책을 합니다. / 생각을 합니다. (He takes walks / thinks.)
- 요리를 합니다. (He cooks.)
Exercise 4 True/False Answers:
- 거짓 (False — He likes dancing, not dislikes)
- 참 (True — He listens to songs every day, which means often)
- 거짓 (False — He does homework every day)
- 참 (True — He makes food for his friends)

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