❓How to Ask Questions in Korean: Complete Guide to Question Words, Structures & Real Situations (2026)
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Asking the right question at the right moment — in Korean, that changes everything. 🗣️
❓ Quick Answers — Korean Question Words
What are the 5 basic Korean question words?
The five essential Korean question words are: 뭐/무엇 (mwo/mueot — what), 어디 (eodi — where), 언제 (eonje — when), 왜 (wae — why), and 어떻게 (eotteoke — how). These cover the vast majority of everyday questions in Korean. Add 누구 (nugu — who) and 얼마 (eolma — how much) and you can handle almost any situation.
How do I make a yes/no question in Korean?
In Korean, yes/no questions are formed by adding the question marker -요? to the end of a statement — the word order doesn't change like it does in English. For example: "먹어요" (they eat) → "먹어요?" (do they eat?). The rising intonation at the end signals it's a question. In more formal contexts, use -습니까? or -ㅂ니까? endings.
What's the difference between 뭐 and 무엇?
뭐 (mwo) is the casual, conversational form — used in everyday speech and informal settings. 무엇 (mueot) is the formal version — used in writing, formal presentations, or professional settings. Both mean "what." In daily Korean life, you'll hear 뭐 far more often. In business emails or formal reports, 무엇 is more appropriate.
Where does the question word go in a Korean sentence?
Korean question words replace the element being asked about — wherever that element would appear in a normal sentence. Since Korean is Subject-Object-Verb, the question word often appears in the middle or beginning, not necessarily at the start as in English. For example: "어디 가요?" (where are you going?) — 어디 (where) replaces the destination. The verb always stays at the end.
One of the first things I noticed when I started working with foreign professionals in Korean organizations is that the ones who made the fastest progress weren't necessarily the ones with the highest test scores. They were the ones who asked questions — confidently, at the right moment, in the right way.
Asking a good question in Korean does three things at once: it gets you the information you need, it signals to Korean speakers that you're genuinely engaged, and — perhaps most importantly — it keeps the conversation going. A well-placed "어떻게 생각하세요?" (eotteoke saenggakhaseyo? — what do you think?) in a meeting can open a conversation that an hour of monologue couldn't.
I'm Brian — 20 years in Korean corporate HR and strategic planning, now a Korean language instructor. This guide covers Korean question words from beginner basics through workplace and real-life application, with the pronunciation, examples, and context you need to actually use them.
1. The 7 Essential Korean Question Words (핵심 질문어)
These seven words are the foundation of every question you'll ever ask in Korean. Learn these first — everything else builds on them.
| Korean | Romanization | Meaning | Quick example |
|---|---|---|---|
| 뭐 / 무엇 | mwo / mueot | What | 뭐 먹을래요? — What would you like to eat? |
| 어디 | eodi | Where | 어디 가세요? — Where are you going? |
| 언제 | eonje | When | 언제 시간 되세요? — When are you free? |
| 왜 | wae | Why | 왜 그렇게 생각하세요? — Why do you think so? |
| 어떻게 | eotteoke | How | 어떻게 하면 돼요? — How should I do it? |
| 누구 | nugu | Who | 누구한테 물어볼까요? — Who should we ask? |
| 얼마 | eolma | How much | 얼마예요? — How much is it? |
2. Yes/No Questions — No Word Order Change Needed (네/아니요 질문)
One of the most learner-friendly aspects of Korean grammar: to form a yes/no question, you don't rearrange the word order. You simply add -요? at the end with a rising intonation — and it becomes a question.
Statement → Question: just add rising intonation
(I learn Korean.)
맛있어요.
(It's delicious.)
회의가 있어요.
(There's a meeting.)
(Are you learning Korean?)
맛있어요?
(Is it delicious?)
회의가 있어요?
(Is there a meeting?)
-ㅂ니까?/-습니까? — formal, business or presentations (오셨습니까? — have you arrived?)
-아?/-어? — casual, close friends only (먹어? — eating?)
3. Real-Life Situations — Questions You'll Actually Need (실전 상황별 질문)
🛒 Daily Life & Shopping (일상생활)
| Korean question | Romanization | English meaning |
|---|---|---|
| 이게 뭐예요? | ige mwoyeyo? | What is this? |
| 얼마예요? | eolmayeyo? | How much is it? |
| 어디서 살 수 있어요? | eodiseo sal su isseoyo? | Where can I buy this? |
| 뭐가 제일 맛있어요? | mwoga jeil massisseoyo? | What's the most delicious (thing)? |
🚇 Transport & Getting Around (교통/이동)
| Korean question | Romanization | English meaning |
|---|---|---|
| 지하철역이 어디예요? | jihacheollyeogi eodiyeyo? | Where is the subway station? |
| 몇 번 버스 타요? | myeot beon beoseu tayo? | Which bus number do I take? |
| 얼마나 걸려요? | eolmana geollyeoyo? | How long does it take? |
| 여기서 어떻게 가요? | yeogiseo eotteoke gayo? | How do I get there from here? |
💼 Workplace & Professional Settings (직장/비즈니스)
| Korean question | Romanization | English meaning |
|---|---|---|
| 어떻게 생각하세요? | eotteoke saenggakhaseyo? | What do you think? (most useful in meetings) |
| 언제까지 해드리면 될까요? | eonjekkaji haedurimyeon doelkkayo? | By when should I have this done for you? |
| 혹시 더 필요한 것 있으세요? | hoksi deo piryohan geot isseuseyo? | Is there anything else you need? |
| 어떤 방식으로 보고할까요? | eotteon bangsigeuro bogohalkayo? | How would you like me to report this? |
| 제가 잘못 이해한 건 아닌가요? | jega jalmot ihaehān geon aniingayo? | Am I understanding this correctly? (humble check) |
| 왜 그렇게 결정하셨어요? | wae geureoke gyeoljeonghasysseoyo? | Why was that decision made? (use carefully — can sound challenging) |
왜 (wae — why) can sound confrontational in Korean professional settings, especially directed at a senior. If you need to ask why a decision was made, it's safer to soften it: "혹시 어떤 이유로 그렇게 결정하셨는지 여쭤봐도 될까요?" (May I ask what led to that decision?) — same information, but the extra softening completely changes the register.
4. Useful Question Structures Beyond the Basics (응용 질문 구조)
Once you know the question words, these sentence frames let you build a huge range of questions quickly.
가장 가까운 편의점이 어디 있어요? — Where is the nearest convenience store?
담당자가 어디 있어요? — Where is the person in charge?
신청을 어떻게 해요? — How do I apply?
발음을 어떻게 해요? — How do you pronounce this?
회의가 언제예요? — When is the meeting?
마감이 언제예요? — When is the deadline?
혹시 내일까지 확인해 주실 수 있을까요? — Could you check by tomorrow?
5. Test Yourself — Can You Ask It in Korean? 🧠
Click each challenge to see the answer.
Challenge 1: How do you ask "Where is the nearest subway station?" in Korean?
가장 가까운 지하철역이 어디예요? (gajang gakkaun jihacheollyeogi eodiyeyo?)
Breakdown: 가장 가까운 (nearest) + 지하철역 (subway station) + 이 (subject marker) + 어디예요? (where is it?)
Challenge 2: Your Korean colleague seems hesitant. How do you politely ask "What do you think?" in a meeting?
어떻게 생각하세요? (eotteoke saenggakhaseyo?) — the most natural and widely used way to invite someone's opinion in Korean. For extra politeness in a formal meeting: 혹시 의견이 있으시면 말씀해 주세요 (if you have any thoughts, please share them) — this removes the directness while still opening the floor.
Challenge 3: You didn't catch what someone said. How do you ask them to repeat it — politely?
죄송한데, 다시 한번 말씀해 주실 수 있을까요? (joesonghande, dasi hanbeon malsseum haejusil su isseulkkayo?) — "I'm sorry, could you say that once more?" This is the professional-level way to ask for repetition. The more casual version: 다시 말해 주세요 (dasi malhae juseyo) — fine for friends, but too direct for formal settings.
📚 Keep learning — related guides:
Ready to Practice These Questions in Real Conversations? 🗣️
Reading the questions is the start — but the real learning happens when you use them in live conversation. Bring your questions, your workplace situations, your real challenges. We'll practice until asking in Korean feels as natural as asking in English.
Book a Session with Brian on italkiKeep learning: Korean Etiquette · Belonging in Korea · Workplace Conflict · Business Email · TOPIK 6 Guide
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