How to Use ‘-(으)려나 보다’ in Korean: Expressing Assumptions About Intentions

The Korean grammar pattern ‘-(으)려나 보다’ is used to express a guess about someone’s intention. This structure is common in everyday Korean and useful for learners who want to speak naturally. In this post, you’ll learn the meaning, structure, and real-life usage of ‘-(으)려나 보다’ in Korean grammar with practical examples and tips.

1. Definition

‘-(으)려나 보다’ is used to express a guess or assumption that someone is about to do something. The English equivalent would be:
“It seems like (someone) is going to…” or “I guess (someone) is trying to…”

This expression combines:

  • the intention marker ‘-(으)려고’
  • the tentative form ‘-(으)려나’
  • and the verb ‘보다’ meaning ‘to see’ (in this context, it acts as a grammatical particle for conjecture).

2. Form (Structure)

The grammar pattern ‘-(으)려나 보다’ is used by attaching it directly to the verb stem, and it is only used with verbs. This structure expresses a soft assumption or guess about what someone else might be about to do.

Conjugation Rules:

  • When the verb stem ends in a vowel, attach -려나 보다.
  • When the verb stem ends in a consonant (except ㄹ), attach -으려나 보다.
  • When the verb stem ends in , treat it like a vowel-ending verb and attach -려나 보다.

This pattern is used in present tense and mainly to talk about another person’s intention or upcoming action, not the speaker’s own.

Conjugation Table for ‘-(으)려나 보다’

Verb Ending TypeRuleVerbConjugated Form
Vowel-ending verbverb + 려나 보다가다 (to go)가려나 보다
I guess (someone) is going to go
Consonant-ending verb (except ㄹ)verb + 으려나 보다먹다 (to eat)먹으려나 보다
I guess (someone) is going to eat
Verb ending in ㄹverb + 려나 보다살다 (to live)살려나 보다
I guess (someone) is going to live
‘-(으)려나 보다’ Conjugation Guide: How to Form Korean Intent Guessing Sentences

3. Meaning & Usage

‘-(으)려나 보다’ is used when the speaker makes a tentative guess or speculation about another person’s intention or a future event, usually based on what they observe or feel at the moment.

It is softer and more speculative than ‘-(으)려고 하다’, which expresses a clear intention or plan. This pattern is common in everyday spoken Korean and is rarely used in formal speech or writing.

1. Guessing someone’s future action (based on observation)

  • 민수가 나가려나 봐요. (It looks like Minsu is going to leave.)
  • 비가 오려나 봐요. (I guess it’s going to rain.)
  • 지민 씨가 전화하려나 봐요. (It looks like Jimin is about to make a call.)
  • 학생들이 발표하려나 봐요. (It looks like the students are getting ready to present.)
  • 엄마가 요리하려나 봐요. (I guess Mom is going to cook.)

2. Expressing a soft assumption (not definite)

  • 저 사람이 사진을 찍으려나 봐요. (I guess that person is going to take a picture.)
  • 다들 집에 가려나 봐요. (It looks like everyone is about to go home.)
  • 아이가 울려나 봐요.(I guess the child is going to cry.)
  • 친구가 뭔가 말하려나 봐요. (It looks like my friend is about to say something.)
  • 선생님이 설명을 시작하려나 봐요.(I guess the teacher is about to start explaining.)

3. Interpreting someone’s behavior

  • 고양이가 뛰려나 봐요. (It looks like the cat is about to jump.)
  • 민호 씨가 늦으려나 봐요. (I guess Minho is going to be late.)
  • 사람들이 기다리려나 봐요. (It looks like people are going to wait.)
  • 언니가 울려나 봐요. (I guess my sister is going to cry.)
  • 지수가 화를 내려나 봐요. (I guess Jisoo is about to get angry.)

4. Negative forms

  • 오늘은 비가 안 오려나 봐요. (I guess it’s not going to rain today.)
  • 민수가 숙제를 안 하려나 봐요. (It looks like Minsu isn’t going to do his homework.)
  • 사람들이 안 오려나 봐요. (I guess people aren’t coming.)
  • 지수가 오늘 운동을 못 하려나 봐요. (It looks like Jisoo isn’t able to exercise today.)
  • 지수가 오늘 운동을 안 하려나 봐요. (It looks like Jisoo isn’t going to exercise today.)

4. Key Points to Remember

  • Used only with verbs, not adjectives or nouns.
  • Often describes someone’s intended action or a natural event based on observation by the speaker.
  • Expresses tentative speculation, less certain than direct statements.
  • Softer and more speculative than ‘-(으)려고 하다’, which states a clear plan or intention.
  • Can be used for intentional actions (e.g., speaking, going somewhere) and certain unintentional events (e.g., rain, wind), but not with descriptive verbs (adjectives).
  • Common in casual spoken Korean and unsuitable for formal writing or speeches.

5. Practice Exercises

Fill in the blanks with the correct form of ‘-(으)려나 보다’.

  1. 동생이 문을 (열다) __________.
    (It seems my younger sibling is going to open the door.)

  2. 사람들이 밖으로 (나가다) __________.
    (I guess people are going outside.)

  3. 아이가 울음을 (터뜨리다) __________.
    (It looks like the child is about to cry.)

  4. 철수가 뭔가를 (말하다) __________.
    (I think Chulsoo is about to say something.)

  5. 엄마가 음식을 (만들다) __________.
    (I guess Mom is going to make food.)

  6. 그 남자가 사진을 (찍다) __________.
    (It seems that man is about to take a photo.)

  7. 비가 곧 (내리다) __________.
    (It looks like it’s going to rain soon.)

  8. 누나가 나가려고 (준비하다) __________.
    (I think my older sister is getting ready to go out.)

  9. 사람들이 줄을 (서다) __________.
    (I guess people are lining up.)

  10. 친구들이 운동을 (하다) __________.
    (I think my friends are going to exercise.)

6. Answers

  1. 열려나 보다
  2. 나가려나 보다
  3. 터뜨리려나 보다
  4. 말하려나 보다
  5. 만들려나 보다
  6. 찍으려나 보다
  7. 내리려나 보다
  8. 준비하려나 보다
  9. 서려나 보다
  10. 하려나 보다

7. Common Mistakes and Tips

⚠️ Mistake 1: Using with adjectives or nouns

Incorrect: 오늘은 추우려나 봐요. ❌
Correct: 오늘은 추운 것 같아요. ✅

💡 Tip: ‘-(으)려나 보다’ is only used with verbs. Use ‘-은/는 것 같다’ with adjectives.

⚠️ Mistake 2: Using to describe one’s own clear intention

Incorrect: 저는 집에 가려나 봐요. ❌
Correct: 저는 집에 가려고 해요. ✅

💡 Tip: This grammar is mainly used to guess others’ intentions. It’s rarely used for the speaker’s own intention, except in self-reflection or when unsure.

⚠️ Mistake 3: Mixing up with ‘-(으)려고 하다’

Incorrect: 비가 오려고 해요. ❌
Correct: 비가 오려나 봐요. ✅

💡 Tip: ‘-(으)려고 하다’ expresses a clear intention or plan, usually for subjects that can intend (people, animals). ‘-(으)려나 보다’ expresses speculative guessing based on observation.

The Korean grammar pattern ‘-(으)려나 보다’ is a helpful way to express guesses about what someone else might be planning or intending to do. It adds a soft, observational tone to your Korean and is especially useful in casual conversations. By practicing with real-life examples, learners can naturally incorporate this structure into everyday speech.

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