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Korean Verb Conjugations

Complete conjugation forms for the 20 most essential Korean verbs. Each verb includes forms across three speech levels — formal, polite, and casual — plus past, future, negative, imperative, and connective forms with romanization.

20
Essential Verbs
12
Conjugation Forms
80+
Example Sentences

How Korean Verb Conjugation Works

Korean verbs do not change based on person or number — the same form is used regardless of "I," "you," or "they." Instead, verbs conjugate for tense, politeness level, negation, and mood by modifying the verb ending attached to the stem.

Korean has multiple speech levels that reflect social relationships:

  • Formal polite (합쇼체) — used in formal situations, news, presentations (ending: -ㅂ니다/습니다)
  • Informal polite (해요체) — the most commonly used everyday form (ending: -아요/어요)
  • Casual (해체) — used with close friends, children, or those younger (ending: -아/어)

Verbs are also classified by their stem ending, which determines conjugation patterns. 하다 verbs (formed by adding 하다 to a noun) are extremely productive — hundreds of verbs follow this pattern. Some verbs have irregular stems where consonants like ㄷ, ㄹ, or ㅡ change during conjugation.

Forms Covered

Speech Levels

  • Present formal (-ㅂ니다)
  • Present polite (-아/어요)
  • Present casual (-아/어)

Tense

  • Past polite (-았/었어요)
  • Future polite (-ㄹ 거예요)
  • Negative (안 / -지 않다)

Mood & Connection

  • Imperative (-세요)
  • Propositive (-ㅂ시다)
  • Connective (-고)
  • Conditional (-면)

Irregular & Special Verbs (7)

These verbs have stem changes during conjugation (ㄷ, ㄹ, ㅡ irregulars) or serve as special copular/existential verbs.

하다 Verbs (3)

Verbs formed by attaching 하다 (to do) to a noun. This is the most productive verb pattern in Korean.

Regular Verbs (10)

These verbs follow standard conjugation patterns based on their final vowel (아/어 distinction).