KoreanSum

Verbs · Regular

들어오다 conjugation

to come in · deureooda · sounds like [드러오다]

Short answer: “To come in” in Korean is 들어오다 (deureooda). Polite present: 들어와요 (deureowayo); past: 들어왔어요 (deureowasseoyo); future: 들어올 거예요. It is regular.

Opposite: 나오다 — to come out

들어오다 in sentences

All forms of 들어오다

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.
FormKoreanSounds likeRomanized
polite-아/어요들어와요[드러와요]deureowayo
formal-(스)ㅂ니다들어옵니다[드러옴니다]deureoomnida
casual-아/어들어와[드러와]deureowa
plain (written)-(느)ㄴ다들어온다[드러온다]deureoonda
formal question-(스)ㅂ니까?들어옵니까?[드러옴니까]deureoomnikka?
is …ing (polite)-고 있어요들어오고 있어요[드러오고 이써요]deureoogo isseoyo
Past
FormKoreanSounds likeRomanized
polite-았/었어요들어왔어요[드러와써요]deureowasseoyo
formal-았/었습니다들어왔습니다[드러왇씀니다]deureowatseumnida
casual-았/었어들어왔어[드러와써]deureowasseo
plain (written)-았/었다들어왔다[드러왇따]deureowatda
Future
FormKoreanSounds likeRomanized
polite — will-(으)ㄹ 거예요들어올 거예요[드러올 꺼예요]deureool geoyeyo
formal-(으)ㄹ 겁니다들어올 겁니다[드러올 껌니다]deureool geomnida
casual-(으)ㄹ 거야들어올 거야[드러올 꺼야]deureool geoya
formal — I will (intention)-겠습니다들어오겠습니다[드러오겓씀니다]deureoogetseumnida
Negative
FormKoreanSounds likeRomanized
not (short)안 …안 들어와요[안 드러와요]an deureowayo
did not안 …았/었어요안 들어왔어요[안 드러와써요]an deureowasseoyo
not (long)-지 않아요들어오지 않아요[드러오지 아나요]deureooji anayo
cannot못 …못 들어와요[몯 뜨러와요]mot deureowayo
Honorific
Add -(으)시- when the subject is someone you respect (a teacher, a customer, an older person) — not yourself.
FormKoreanSounds likeRomanized
honorific — present-(으)세요들어오세요[드러오세요]deureooseyo
honorific — past-(으)셨어요들어오셨어요[드러오셔써요]deureoosyeosseoyo
honorific — formal-(으)십니다들어오십니다[드러오심니다]deureoosimnida
Requests
FormKoreanSounds likeRomanized
please …-(으)세요들어오세요[드러오세요]deureooseyo
please … (for me)-아/어 주세요들어와 주세요[드러와 주세요]deureowa juseyo
please don’t …-지 마세요들어오지 마세요[드러오지 마세요]deureooji maseyo
let’s … (formal)-(으)ㅂ시다들어옵시다[드러옵씨다]deureoopsida
let’s … (casual)-자들어오자[드러오자]deureooja
do … ! (casual command)-아/어라들어와라[드러와라]deureowara
Connecting
FormKoreanSounds likeRomanized
… and-고들어오고[드러오고]deureoogo
… so / and then-아/어서들어와서[드러와서]deureowaseo
if …-(으)면들어오면[드러오면]deureoomyeon
… but-지만들어오지만[드러오지만]deureoojiman
because …-(으)니까들어오니까[드러오니까]deureoonikka
… and / but (background)-는데들어오는데[드러오는데]deureooneunde
even if …-아/어도들어와도[드러와도]deureowado
while …-(으)면서들어오면서[드러오면서]deureoomyeonseo
in order to …-(으)려고들어오려고[드러오려고]deureooryeogo
(go) to …-(으)러들어오러[드러오러]deureooreo
before …-기 전에들어오기 전에[드러오기 저네]deureoogi jeone
after …-(으)ㄴ 후에들어온 후에[드러온 후에]deureoon hue
Describing a noun
These go before a noun: “the food (that) I ate”, “a cold day”.
FormKoreanSounds likeRomanized
(that) … now-는들어오는[드러오는]deureooneun
(that) …ed-(으)ㄴ들어온[드러온]deureoon
(that) will …-(으)ㄹ들어올[드러올]deureool
Useful patterns
FormKoreanSounds likeRomanized
I want to …-고 싶어요들어오고 싶어요[드러오고 시퍼요]deureoogo sipeoyo
can …-(으)ㄹ 수 있어요들어올 수 있어요[드러올 쑤 이써요]deureool su isseoyo
cannot …-(으)ㄹ 수 없어요들어올 수 없어요[드러올 쑤 업써요]deureool su eopseoyo
have to …-아/어야 해요들어와야 해요[드러와야 해요]deureowaya haeyo
may … / it’s OK to …-아/어도 돼요들어와도 돼요[드러와도 돼요]deureowado dwaeyo
must not …-(으)면 안 돼요들어오면 안 돼요[드러오면 안 돼요]deureoomyeon an dwaeyo
…ing (noun)-기들어오기[드러오기]deureoogi

How 들어오다 changes

들어오 ends in a vowel, so 들어오 + 아/어 becomes 들어와 → 들어와요, 들어왔어요. Endings written -(으) attach directly → 들어오면, 들어올. 들어오다 is regular.

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

Questions

How do you say “come in” in Korean?

“To come in” is 들어오다 (deureooda), pronounced [드러오다]. In a sentence: 들어오세요. — Come in, please.

What is the past tense of 들어오다?

들어왔어요 (deureowasseoyo) is the polite past tense of 들어오다 (“to come in”). Formal: 들어왔습니다; casual: 들어왔어.

How do you say 들어오다 politely?

Everyday polite: 들어와요 (deureowayo). Formal: 들어옵니다. Casual, with close friends: 들어와.

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

들어오고 싶어요 (deureoogo sipeoyo), pronounced [드러오고 시퍼요].

Is 들어오다 irregular?

No. 들어오 ends in a vowel, so 들어오 + 아/어 becomes 들어와 → 들어와요, 들어왔어요. Endings written -(으) attach directly → 들어오면, 들어올. 들어오다 is regular.

More regular words like 들어오다

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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