Verbs · Regular

끝나다 conjugation

to end; to be over · kkeunnada · sounds like [끈나다]

Short answer: “To end” in Korean is 끝나다 (kkeunnada), which also means to be over. Polite present: 끝나요 (kkeunnayo); past: 끝났어요 (kkeunnasseoyo); future: 끝날 거예요. It is regular.

Present끝나요[끈나요] · kkeunnayo
Past끝났어요[끈나써요] · kkeunnasseoyo
Future끝날 거예요[끈날 꺼예요] · kkeunnal geoyeyo
Negative안 끝나요[안 끈나요] · an kkeunnayo

끝나다 in sentences

수업이 끝났어요.The class is over.
일이 언제 끝나요?When does your work finish?

All forms of 끝나다

Present
Polite (해요) is the everyday safe choice; formal (합니다) is for news, announcements and work; casual (반말) is for close friends and younger people.
Form	Korean	Sounds like	Romanized
polite-아/어요	끝나요	[끈나요]	kkeunnayo
formal-(스)ㅂ니다	끝납니다	[끈남니다]	kkeunnamnida
casual-아/어	끝나	[끈나]	kkeunna
plain (written)-(느)ㄴ다	끝난다	[끈난다]	kkeunnanda
formal question-(스)ㅂ니까?	끝납니까?	[끈남니까]	kkeunnamnikka?
is …ing (polite)-고 있어요	끝나고 있어요	[끈나고 이써요]	kkeunnago isseoyo

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	끝났어요	[끈나써요]	kkeunnasseoyo
formal-았/었습니다	끝났습니다	[끈낟씀니다]	kkeunnatseumnida
casual-았/었어	끝났어	[끈나써]	kkeunnasseo
plain (written)-았/었다	끝났다	[끈낟따]	kkeunnatda

Future
Form	Korean	Sounds like	Romanized
polite — will-(으)ㄹ 거예요	끝날 거예요	[끈날 꺼예요]	kkeunnal geoyeyo
formal-(으)ㄹ 겁니다	끝날 겁니다	[끈날 껌니다]	kkeunnal geomnida
casual-(으)ㄹ 거야	끝날 거야	[끈날 꺼야]	kkeunnal geoya
formal — I will (intention)-겠습니다	끝나겠습니다	[끈나겓씀니다]	kkeunnagetseumnida

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	안 끝나요	[안 끈나요]	an kkeunnayo
did not안 …았/었어요	안 끝났어요	[안 끈나써요]	an kkeunnasseoyo
not (long)-지 않아요	끝나지 않아요	[끈나지 아나요]	kkeunnaji anayo
cannot못 …	못 끝나요	[몯 끈나요]	mot kkeunnayo

Honorific
Add -(으)시- when the subject is someone you respect (a teacher, a customer, an older person) — not yourself.
Form	Korean	Sounds like	Romanized
honorific — present-(으)세요	끝나세요	[끈나세요]	kkeunnaseyo
honorific — past-(으)셨어요	끝나셨어요	[끈나셔써요]	kkeunnasyeosseoyo
honorific — formal-(으)십니다	끝나십니다	[끈나심니다]	kkeunnasimnida

Connecting
Form	Korean	Sounds like	Romanized
… and-고	끝나고	[끈나고]	kkeunnago
… so / and then-아/어서	끝나서	[끈나서]	kkeunnaseo
if …-(으)면	끝나면	[끈나면]	kkeunnamyeon
… but-지만	끝나지만	[끈나지만]	kkeunnajiman
because …-(으)니까	끝나니까	[끈나니까]	kkeunnanikka
… and / but (background)-는데	끝나는데	[끈나는데]	kkeunnaneunde
even if …-아/어도	끝나도	[끈나도]	kkeunnado
while …-(으)면서	끝나면서	[끈나면서]	kkeunnamyeonseo
before …-기 전에	끝나기 전에	[끈나기 저네]	kkeunnagi jeone
after …-(으)ㄴ 후에	끝난 후에	[끈난 후에]	kkeunnan hue

Describing a noun
These go before a noun: “the food (that) I ate”, “a cold day”.
Form	Korean	Sounds like	Romanized
(that) … now-는	끝나는	[끈나는]	kkeunnaneun
(that) …ed-(으)ㄴ	끝난	[끈난]	kkeunnan
(that) will …-(으)ㄹ	끝날	[끈날]	kkeunnal

Useful patterns
Form	Korean	Sounds like	Romanized
I want to …-고 싶어요	끝나고 싶어요	[끈나고 시퍼요]	kkeunnago sipeoyo
can …-(으)ㄹ 수 있어요	끝날 수 있어요	[끈날 쑤 이써요]	kkeunnal su isseoyo
cannot …-(으)ㄹ 수 없어요	끝날 수 없어요	[끈날 쑤 업써요]	kkeunnal su eopseoyo
have to …-아/어야 해요	끝나야 해요	[끈나야 해요]	kkeunnaya haeyo
may … / it’s OK to …-아/어도 돼요	끝나도 돼요	[끈나도 돼요]	kkeunnado dwaeyo
must not …-(으)면 안 돼요	끝나면 안 돼요	[끈나면 안 돼요]	kkeunnamyeon an dwaeyo
…ing (noun)-기	끝나기	[끈나기]	kkeunnagi

How 끝나다 changes

끝나 ends in a vowel, so 끝나 + 아/어 becomes 끝나 → 끝나요, 끝났어요. Endings written -(으) attach directly → 끝나면, 끝날. 끝나다 is regular.

How every verb type works → · Why it sounds like that →

Questions

How do you say “end” in Korean?

“To end” is 끝나다 (kkeunnada), pronounced [끈나다]. In a sentence: 수업이 끝났어요. — The class is over.

What is the past tense of 끝나다?

끝났어요 (kkeunnasseoyo) is the polite past tense of 끝나다 (“to end”). Formal: 끝났습니다; casual: 끝났어.

How do you say 끝나다 politely?

Everyday polite: 끝나요 (kkeunnayo). Formal: 끝납니다. Casual, with close friends: 끝나.

Is 끝나다 irregular?

No. 끝나 ends in a vowel, so 끝나 + 아/어 becomes 끝나 → 끝나요, 끝났어요. Endings written -(으) attach directly → 끝나면, 끝날. 끝나다 is regular.

More regular words like 끝나다

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Forms follow 한글 맞춤법 (Korean spelling rules); pronunciation follows 표준 발음법 and romanization follows 국어의 로마자 표기법 (Revised Romanization). Last updated October 16, 2026. How we check