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Korean Verb Conjugation: 3 Core Tenses

3 min readBeginnerGrammar
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Korean Verb Conjugation

Korean verb conjugation is more regular than English. Once you learn the patterns, you can conjugate almost any verb. Here are the three essential tenses every beginner needs.

Watch a verb morph from dictionary form → present → past:

Present Tense: 아요/어요

The present tense ending depends on the last vowel of the verb stem:

  • ㅏ or ㅗ in the stem → use 아요
  • Everything else → use 어요
  • 하다 verbs → always 해요
Dictionary FormStemPresentEnglish
가다가요go
먹다먹어요eat
마시다마시마셔요drink
공부하다공부하공부해요study

Practice present tense with interactive examples →

Past Tense: 았/었어요

The past tense follows the same vowel harmony rule as present tense:

  • ㅏ or ㅗ았어요
  • Everything else었어요
  • 하다했어요
PresentPastEnglish
가요갔어요went
먹어요먹었어요ate
마셔요마셨어요drank
공부해요공부했어요studied

Practice past tense with interactive examples →

Future Tense: (으)ㄹ 거예요

The future tense pattern:

  • Stem ends in vowel → add ㄹ 거예요
  • Stem ends in consonant → add 을 거예요
PresentFutureEnglish
가요갈 거예요will go
먹어요먹을 거예요will eat
마셔요마실 거예요will drink
공부해요공부할 거예요will study

Practice future tense with interactive examples →

Negation: 안 and 못

Korean has two ways to negate verbs:

(don't / won't, by choice):

  • 안 먹어요 = I don't eat

(can't, inability):

  • 못 먹어요 = I can't eat

Learn about 안 negation → | Learn about 못 vs 안 →

Irregular stems (starter list)

Most verbs are regular. A few high-frequency irregulars appear early:

DictionaryPresentWhy it matters
듣다 (listen)들어요ㄷ → ㄹ before vowel endings
걷다 (walk)걸어요same ㄷ irregular
춥다 (cold)추워요ㅂ → 우 before vowel endings
돕다 (help)도와요ㅂ irregular (often 와)
쓰다 (write/use)써요ㅡ drops / contracts

You do not need every irregular on day one. Learn the three tenses first, then collect irregulars as you meet them in lessons.

Mini practice

Conjugate 가다 / 먹다 / 공부하다 into present, past, and future polite forms.

VerbPresentPastFuture
가다가요갔어요갈 거예요
먹다먹어요먹었어요먹을 거예요
공부하다공부해요공부했어요공부할 거예요

Practice on Chamelingo

Our curriculum introduces present tense early, then past and future with spaced review so endings stick. Interactive drills conjugate verbs in full sentences. Not isolated flashcards.

Explore all grammar points →

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