Verbseoul.
regular

끝나다 conjugation (kkeutnada, to end, to finish)

To say to end, to finish politely in the present tense, use 끝나요 (ggeun-nah-yoh) · kkeunnayo. Below is the full conjugation of 끝나다 across the three tenses and three everyday speech levels.

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
끝나
ggeun-nah
kkeunna
끝나요
ggeun-nah-yoh
kkeunnayo
끝납니다
ggeun-nahm-nee-dah
kkeunnamnida
Past
끝났어
ggeun-nah-ssuh
kkeunnasseo
끝났어요
ggeun-nah-ssuh-yoh
kkeunnasseoyo
끝났습니다
ggeun-nah-sseum-nee-dah
kkeunnasseumnida
Future
끝날 거야
ggeun-nahl guh-yah
kkeunnal geoya
끝날 거예요
ggeun-nahl guh-yae-yoh
kkeunnal geoyeyo
끝날 겁니다
ggeun-nahl guhm-nee-dah
kkeunnal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
끝나세요
ggeun-nah-sae-yoh
kkeunnaseyo
Suggestion / Let's Polite (요)
끝나요
ggeun-nah-yoh
kkeunnayo
Question Polite (요)
끝나요?
ggeun-nah-yoh-?
kkeunnayo?
Connective "and" — (고)
끝나고
ggeun-nah-goh
kkeunnago
Conditional "if" — (면)
끝나면
ggeun-nah-myuhn
kkeunnamyeon
Progressive (고 있어요)
끝나고 있어요
ggeun-nah-goh ee-ssuh-yoh
kkeunnago isseoyo
Want to (고 싶어요)
끝나고 싶어요
ggeun-nah-goh shee-puh-yoh
kkeunnago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
끝날 수 있어요
ggeun-nahl soo ee-ssuh-yoh
kkeunnal su isseoyo
Because / So (아/어서)
끝나서
ggeun-nah-suh
kkeunnaseo
Noun form — (기)
끝나기
ggeun-nah-gee
kkeunnagi
Noun form — (음)
끝남
ggeun-nahm
kkeunnam