Lesson 27 · Willingness and Inference: -겠-
Hyeju’s Beginner Korean Grammar Class · Lesson 27
Willingness and Inference: -겠-
Use -겠- for willingness and inference, keep dictionary stems, and practice 알겠습니다 and 잘 먹겠습니다 in the right situations.
Introduction & Review
-겠- can express a speaker’s willingness or a judgment based on a situation. It is not a substitute for every English future “will.” Compare a planned trip, 갈 거예요, with volunteering now, 제가 하겠습니다.
N = noun; V = action verb; A = descriptive verb. Romanization is a reading aid.
Today’s Grammar / Explanation
Add 겠 to a V/A stem, then the speech ending: 하다 → 하겠어요 / 하겠습니다; 맛있다 → 맛있겠어요.
The stem stays before ㄱ: 듣다 → 듣겠어요, 춥다 → 춥겠어요. Do not copy the changed -아/어요 stem into this pattern.
For a first-person commitment, 제가 …-겠습니다 is common in formal settings. For inference, use a clue such as a delicious-looking meal: 맛있겠어요.
Examples
Compare with similar grammar
LESSON 26
-(으)ㄹ 거예요
내일은 비가 올 거예요.A general prediction or plan. -겠- sounds more immediate — a guess from what you see right now — and appears in many set phrases.
Review Lesson 26 →LESSON 43
-네요
(먹어 보고) 와, 맛있네요!-네요 reacts to what you’re experiencing now. -겠어요 guesses before you know: 맛있겠어요 (it looks delicious).
Look ahead: Lesson 43 →LESSON 31
-(으)ㄹ게요
내일 다시 연락할게요.In formal speech, -겠습니다 works like a promise or intention, similar to -(으)ㄹ게요.
Look ahead: Lesson 31 →| Pattern | Meaning | Example |
|---|---|---|
| -겠어요 | guess from what you see: “must be, looks …” | 맛있겠어요 |
| -겠습니다 | I will (formal intention) | 열심히 하겠습니다 |
| 알겠습니다 · 모르겠어요 | polite fixed phrases | 잘 먹겠습니다 |
| -네요 | noticing something now | 맛있네요 |
Mini Dialogue
A: 음식이 맛있겠어요.
eumsigi masitgesseoyo · The food looks delicious.
B: 같이 먹어요.
gachi meogeoyo · Let’s eat together.
A: 잘 먹겠습니다.
jal meokgetseumnida · Thank you for the meal. (Before eating.)
B: 네, 잘 먹겠습니다.
ne, jal meokgetseumnida · Yes, thank you for the meal. (Before eating.)
Common mistakes
알겠습니다 (“Understood”) and 잘 먹겠습니다 (said before eating) are useful conventional expressions. Learn their social use as phrases. A person can promise 제가 가겠습니다, but 비가 오겠어요 is an inference, not a promise about the weather.
After tasting, you’re no longer guessing, so use -네요. -겠어요 is for guessing beforehand.
This greeting is a fixed formal phrase: 처음 뵙겠습니다.
-겠- attaches directly to the stem: 먹 + 겠.
모르겠어요 sounds softer and more polite than 몰라요, especially to a teacher.
Mini practice · six questions
All sentences below are new. Try each one before opening the answer.
- Fill in the blank(친구가 만든 요리 사진을 보고) 와, 정말 ______! (맛있다)
Check answer
와, 정말 맛있겠어요!
You haven’t tasted it — you’re guessing from the photo → 맛있겠어요.
- Fill in the blank(면접에서) 뽑아 주시면 열심히 ______. (하다)
Check answer
뽑아 주시면 열심히 하겠습니다.
A formal promise in an interview → 하겠습니다.
- Choose the better form아침부터 계속 일했어요? 많이 (피곤하겠어요 / 피곤하네요).
Check answer
피곤하겠어요
You’re guessing how the other person feels, so -겠어요.
- Choose the correct form(식사 전에) 잘 (먹겠습니다 / 먹었습니다).
Check answer
먹겠습니다
Before eating, say 잘 먹겠습니다. 잘 먹었습니다 is for after the meal.
- Find and fix the mistake내일 다시 오을겠습니다.
Check answer
내일 다시 오겠습니다.
-겠- goes straight onto the stem: 오 + 겠습니다.
- Say it in KoreanUnderstood. (formal, to your boss)
Check answer
알겠습니다.
A fixed polite phrase: 알겠습니다.
Today’s Key Point
Use context to distinguish willingness from inference.
Keep the stem before 겠: 춥겠어요.
알겠습니다 acknowledges; 잘 먹겠습니다 is said before eating.
M.A. in Korean Language Education · Certified Korean language teacher
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