Verbs · ㅅ irregular

붓다 conjugation

to pour; to swell · butda · sounds like [붇따]

Short answer: “To pour” in Korean is 붓다 (butda), which also means to swell. Polite present: 부어요 (bueoyo); past: 부었어요 (bueosseoyo); future: 부을 거예요. It is a ㅅ irregular verb.

Present부어요[부어요] · bueoyo
Past부었어요[부어써요] · bueosseoyo
Future부을 거예요[부을 꺼예요] · bueul geoyeyo
Negative안 부어요[안 부어요] · an bueoyo

붓다 in sentences

물을 부어 주세요.Please pour in the water.
울어서 눈이 부었어요.My eyes are swollen from crying.

All forms of 붓다

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	부어요	[부어요]	bueoyo
formal-(스)ㅂ니다	붓습니다	[붇씀니다]	butseumnida
casual-아/어	부어	[부어]	bueo
plain (written)-(느)ㄴ다	붓는다	[분는다]	bunneunda
formal question-(스)ㅂ니까?	붓습니까?	[붇씀니까]	butseumnikka?
is …ing (polite)-고 있어요	붓고 있어요	[붇꼬 이써요]	butgo isseoyo

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	부었어요	[부어써요]	bueosseoyo
formal-았/었습니다	부었습니다	[부얻씀니다]	bueotseumnida
casual-았/었어	부었어	[부어써]	bueosseo
plain (written)-았/었다	부었다	[부얻따]	bueotda

Future
Form	Korean	Sounds like	Romanized
polite — will-(으)ㄹ 거예요	부을 거예요	[부을 꺼예요]	bueul geoyeyo
formal-(으)ㄹ 겁니다	부을 겁니다	[부을 껌니다]	bueul geomnida
casual-(으)ㄹ 거야	부을 거야	[부을 꺼야]	bueul geoya
formal — I will (intention)-겠습니다	붓겠습니다	[붇껟씀니다]	butgetseumnida

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	안 부어요	[안 부어요]	an bueoyo
did not안 …았/었어요	안 부었어요	[안 부어써요]	an bueosseoyo
not (long)-지 않아요	붓지 않아요	[붇찌 아나요]	butji anayo
cannot못 …	못 부어요	[몯 뿌어요]	mot bueoyo

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	부으세요	[부으세요]	bueuseyo
honorific — past-(으)셨어요	부으셨어요	[부으셔써요]	bueusyeosseoyo
honorific — formal-(으)십니다	부으십니다	[부으심니다]	bueusimnida

Requests
Form	Korean	Sounds like	Romanized
please …-(으)세요	부으세요	[부으세요]	bueuseyo
please … (for me)-아/어 주세요	부어 주세요	[부어 주세요]	bueo juseyo
please don’t …-지 마세요	붓지 마세요	[붇찌 마세요]	butji maseyo
let’s … (formal)-(으)ㅂ시다	부읍시다	[부읍씨다]	bueupsida
let’s … (casual)-자	붓자	[붇짜]	butja
do … ! (casual command)-아/어라	부어라	[부어라]	bueora

Connecting
Form	Korean	Sounds like	Romanized
… and-고	붓고	[붇꼬]	butgo
… so / and then-아/어서	부어서	[부어서]	bueoseo
if …-(으)면	부으면	[부으면]	bueumyeon
… but-지만	붓지만	[붇찌만]	butjiman
because …-(으)니까	부으니까	[부으니까]	bueunikka
… and / but (background)-는데	붓는데	[분는데]	bunneunde
even if …-아/어도	부어도	[부어도]	bueodo
while …-(으)면서	부으면서	[부으면서]	bueumyeonseo
in order to …-(으)려고	부으려고	[부으려고]	bueuryeogo
(go) to …-(으)러	부으러	[부으러]	bueureo
before …-기 전에	붓기 전에	[붇끼 저네]	butgi jeone
after …-(으)ㄴ 후에	부은 후에	[부은 후에]	bueun 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	붓는	[분는]	bunneun
(that) …ed-(으)ㄴ	부은	[부은]	bueun
(that) will …-(으)ㄹ	부을	[부을]	bueul

Useful patterns
Form	Korean	Sounds like	Romanized
I want to …-고 싶어요	붓고 싶어요	[붇꼬 시퍼요]	butgo sipeoyo
can …-(으)ㄹ 수 있어요	부을 수 있어요	[부을 쑤 이써요]	bueul su isseoyo
cannot …-(으)ㄹ 수 없어요	부을 수 없어요	[부을 쑤 업써요]	bueul su eopseoyo
have to …-아/어야 해요	부어야 해요	[부어야 해요]	bueoya haeyo
may … / it’s OK to …-아/어도 돼요	부어도 돼요	[부어도 돼요]	bueodo dwaeyo
must not …-(으)면 안 돼요	부으면 안 돼요	[부으면 안 돼요]	bueumyeon an dwaeyo
…ing (noun)-기	붓기	[붇끼]	butgi

How 붓다 changes

ㅅ irregular: before a vowel, ㅅ drops — and the vowels do not merge → 부어요, 부으면. Before a consonant ㅅ stays: 붓습니다, 붓고. Regular ㅅ verbs such as 씻다 (씻어요) and 웃다 (웃어요) keep it.

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

Questions

How do you say “pour” in Korean?

“To pour” is 붓다 (butda), pronounced [붇따]. In a sentence: 물을 부어 주세요. — Please pour in the water.

What is the past tense of 붓다?

부었어요 (bueosseoyo) is the polite past tense of 붓다 (“to pour”). Formal: 부었습니다; casual: 부었어.

How do you say 붓다 politely?

Everyday polite: 부어요 (bueoyo). Formal: 붓습니다. Casual, with close friends: 부어.

How do you say “I want to pour” in Korean?

붓고 싶어요 (butgo sipeoyo), pronounced [붇꼬 시퍼요].

Is 붓다 irregular?

Yes — ㅅ irregular: before a vowel, ㅅ drops — and the vowels do not merge → 부어요, 부으면. Before a consonant ㅅ stays: 붓습니다, 붓고. Regular ㅅ verbs such as 씻다 (씻어요) and 웃다 (웃어요) keep it.

More ㅅ irregular words like 붓다

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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