Verbs · ㅡ drops

들르다 conjugation

to drop by; to stop by · deulleuda · sounds like [들르다]

Short answer: “To drop by” in Korean is 들르다 (deulleuda), which also means to stop by. Polite present: 들러요 (deulleoyo); past: 들렀어요 (deulleosseoyo); future: 들를 거예요. It is regular, but its ㅡ drops before 아/어.

Present들러요[들러요] · deulleoyo
Past들렀어요[들러써요] · deulleosseoyo
Future들를 거예요[들를 꺼예요] · deulleul geoyeyo
Negative안 들러요[안 들러요] · an deulleoyo

들르다 in sentences

집에 가는 길에 편의점에 들렀어요.I stopped by a convenience store on my way home.
시간 있으면 들르세요.Drop by if you have time.

All forms of 들르다

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	들러요	[들러요]	deulleoyo
formal-(스)ㅂ니다	들릅니다	[들름니다]	deulleumnida
casual-아/어	들러	[들러]	deulleo
plain (written)-(느)ㄴ다	들른다	[들른다]	deulleunda
formal question-(스)ㅂ니까?	들릅니까?	[들름니까]	deulleumnikka?
is …ing (polite)-고 있어요	들르고 있어요	[들르고 이써요]	deulleugo isseoyo

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	들렀어요	[들러써요]	deulleosseoyo
formal-았/었습니다	들렀습니다	[들럳씀니다]	deulleotseumnida
casual-았/었어	들렀어	[들러써]	deulleosseo
plain (written)-았/었다	들렀다	[들럳따]	deulleotda

Future
Form	Korean	Sounds like	Romanized
polite — will-(으)ㄹ 거예요	들를 거예요	[들를 꺼예요]	deulleul geoyeyo
formal-(으)ㄹ 겁니다	들를 겁니다	[들를 껌니다]	deulleul geomnida
casual-(으)ㄹ 거야	들를 거야	[들를 꺼야]	deulleul geoya
formal — I will (intention)-겠습니다	들르겠습니다	[들르겓씀니다]	deulleugetseumnida

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	안 들러요	[안 들러요]	an deulleoyo
did not안 …았/었어요	안 들렀어요	[안 들러써요]	an deulleosseoyo
not (long)-지 않아요	들르지 않아요	[들르지 아나요]	deulleuji anayo
cannot못 …	못 들러요	[몯 뜰러요]	mot deulleoyo

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	들르세요	[들르세요]	deulleuseyo
honorific — past-(으)셨어요	들르셨어요	[들르셔써요]	deulleusyeosseoyo
honorific — formal-(으)십니다	들르십니다	[들르심니다]	deulleusimnida

Requests
Form	Korean	Sounds like	Romanized
please …-(으)세요	들르세요	[들르세요]	deulleuseyo
please … (for me)-아/어 주세요	들러 주세요	[들러 주세요]	deulleo juseyo
please don’t …-지 마세요	들르지 마세요	[들르지 마세요]	deulleuji maseyo
let’s … (formal)-(으)ㅂ시다	들릅시다	[들릅씨다]	deulleupsida
let’s … (casual)-자	들르자	[들르자]	deulleuja
do … ! (casual command)-아/어라	들러라	[들러라]	deulleora

Connecting
Form	Korean	Sounds like	Romanized
… and-고	들르고	[들르고]	deulleugo
… so / and then-아/어서	들러서	[들러서]	deulleoseo
if …-(으)면	들르면	[들르면]	deulleumyeon
… but-지만	들르지만	[들르지만]	deulleujiman
because …-(으)니까	들르니까	[들르니까]	deulleunikka
… and / but (background)-는데	들르는데	[들르는데]	deulleuneunde
even if …-아/어도	들러도	[들러도]	deulleodo
while …-(으)면서	들르면서	[들르면서]	deulleumyeonseo
in order to …-(으)려고	들르려고	[들르려고]	deulleuryeogo
(go) to …-(으)러	들르러	[들르러]	deulleureo
before …-기 전에	들르기 전에	[들르기 저네]	deulleugi jeone
after …-(으)ㄴ 후에	들른 후에	[들른 후에]	deulleun 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	들르는	[들르는]	deulleuneun
(that) …ed-(으)ㄴ	들른	[들른]	deulleun
(that) will …-(으)ㄹ	들를	[들를]	deulleul

Useful patterns
Form	Korean	Sounds like	Romanized
I want to …-고 싶어요	들르고 싶어요	[들르고 시퍼요]	deulleugo sipeoyo
can …-(으)ㄹ 수 있어요	들를 수 있어요	[들를 쑤 이써요]	deulleul su isseoyo
cannot …-(으)ㄹ 수 없어요	들를 수 없어요	[들를 쑤 업써요]	deulleul su eopseoyo
have to …-아/어야 해요	들러야 해요	[들러야 해요]	deulleoya haeyo
may … / it’s OK to …-아/어도 돼요	들러도 돼요	[들러도 돼요]	deulleodo dwaeyo
must not …-(으)면 안 돼요	들르면 안 돼요	[들르면 안 돼요]	deulleumyeon an dwaeyo
…ing (noun)-기	들르기	[들르기]	deulleugi

How 들르다 changes

The ㅡ in 들르다 drops before 아/어: 들러요, 들렀어요. The vowel that replaces it follows the syllable before (아 after ㅏ or ㅗ, otherwise 어). With other endings ㅡ stays: 들르면, 들릅니다.

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

Questions

How do you say “drop by” in Korean?

“To drop by” is 들르다 (deulleuda), pronounced [들르다]. In a sentence: 집에 가는 길에 편의점에 들렀어요. — I stopped by a convenience store on my way home.

What is the past tense of 들르다?

들렀어요 (deulleosseoyo) is the polite past tense of 들르다 (“to drop by”). Formal: 들렀습니다; casual: 들렀어.

How do you say 들르다 politely?

Everyday polite: 들러요 (deulleoyo). Formal: 들릅니다. Casual, with close friends: 들러.

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

들르고 싶어요 (deulleugo sipeoyo), pronounced [들르고 시퍼요].

Is 들르다 irregular?

No. The ㅡ in 들르다 drops before 아/어: 들러요, 들렀어요. The vowel that replaces it follows the syllable before (아 after ㅏ or ㅗ, otherwise 어). With other endings ㅡ stays: 들르면, 들릅니다.

More ㅡ-stem words like 들르다

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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