Verbs · Regular

알려주다 conjugation

to let (someone) know; to tell · allyeojuda · sounds like [알려주다]

Short answer: “To let (someone) know” in Korean is 알려주다 (allyeojuda), which also means to tell. Polite present: 알려줘요 (allyeojwoyo); past: 알려줬어요 (allyeojwosseoyo); future: 알려줄 거예요. It is regular.

Present알려줘요[알려줘요] · allyeojwoyo
Past알려줬어요[알려줘써요] · allyeojwosseoyo
Future알려줄 거예요[알려줄 꺼예요] · allyeojul geoyeyo
Negative안 알려줘요[안 알려줘요] · an allyeojwoyo

알려주다 in sentences

전화번호 좀 알려주세요.Please tell me your phone number.
친구가 좋은 식당을 알려줬어요.My friend told me about a good restaurant.

All forms of 알려주다

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	알려줘요	[알려줘요]	allyeojwoyo
formal-(스)ㅂ니다	알려줍니다	[알려줌니다]	allyeojumnida
casual-아/어	알려줘	[알려줘]	allyeojwo
plain (written)-(느)ㄴ다	알려준다	[알려준다]	allyeojunda
formal question-(스)ㅂ니까?	알려줍니까?	[알려줌니까]	allyeojumnikka?
is …ing (polite)-고 있어요	알려주고 있어요	[알려주고 이써요]	allyeojugo isseoyo

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	알려줬어요	[알려줘써요]	allyeojwosseoyo
formal-았/었습니다	알려줬습니다	[알려줟씀니다]	allyeojwotseumnida
casual-았/었어	알려줬어	[알려줘써]	allyeojwosseo
plain (written)-았/었다	알려줬다	[알려줟따]	allyeojwotda

Future
Form	Korean	Sounds like	Romanized
polite — will-(으)ㄹ 거예요	알려줄 거예요	[알려줄 꺼예요]	allyeojul geoyeyo
formal-(으)ㄹ 겁니다	알려줄 겁니다	[알려줄 껌니다]	allyeojul geomnida
casual-(으)ㄹ 거야	알려줄 거야	[알려줄 꺼야]	allyeojul geoya
formal — I will (intention)-겠습니다	알려주겠습니다	[알려주겓씀니다]	allyeojugetseumnida

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	안 알려줘요	[안 알려줘요]	an allyeojwoyo
did not안 …았/었어요	안 알려줬어요	[안 알려줘써요]	an allyeojwosseoyo
not (long)-지 않아요	알려주지 않아요	[알려주지 아나요]	allyeojuji anayo
cannot못 …	못 알려줘요	[몯 알려줘요]	mot allyeojwoyo

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	알려주세요	[알려주세요]	allyeojuseyo
honorific — past-(으)셨어요	알려주셨어요	[알려주셔써요]	allyeojusyeosseoyo
honorific — formal-(으)십니다	알려주십니다	[알려주심니다]	allyeojusimnida

Requests
Form	Korean	Sounds like	Romanized
please …-(으)세요	알려주세요	[알려주세요]	allyeojuseyo
please … (for me)-아/어 주세요	알려줘 주세요	[알려줘 주세요]	allyeojwo juseyo
please don’t …-지 마세요	알려주지 마세요	[알려주지 마세요]	allyeojuji maseyo
let’s … (formal)-(으)ㅂ시다	알려줍시다	[알려줍씨다]	allyeojupsida
let’s … (casual)-자	알려주자	[알려주자]	allyeojuja
do … ! (casual command)-아/어라	알려줘라	[알려줘라]	allyeojwora

Connecting
Form	Korean	Sounds like	Romanized
… and-고	알려주고	[알려주고]	allyeojugo
… so / and then-아/어서	알려줘서	[알려줘서]	allyeojwoseo
if …-(으)면	알려주면	[알려주면]	allyeojumyeon
… but-지만	알려주지만	[알려주지만]	allyeojujiman
because …-(으)니까	알려주니까	[알려주니까]	allyeojunikka
… and / but (background)-는데	알려주는데	[알려주는데]	allyeojuneunde
even if …-아/어도	알려줘도	[알려줘도]	allyeojwodo
while …-(으)면서	알려주면서	[알려주면서]	allyeojumyeonseo
in order to …-(으)려고	알려주려고	[알려주려고]	allyeojuryeogo
(go) to …-(으)러	알려주러	[알려주러]	allyeojureo
before …-기 전에	알려주기 전에	[알려주기 저네]	allyeojugi jeone
after …-(으)ㄴ 후에	알려준 후에	[알려준 후에]	allyeojun 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	알려주는	[알려주는]	allyeojuneun
(that) …ed-(으)ㄴ	알려준	[알려준]	allyeojun
(that) will …-(으)ㄹ	알려줄	[알려줄]	allyeojul

Useful patterns
Form	Korean	Sounds like	Romanized
I want to …-고 싶어요	알려주고 싶어요	[알려주고 시퍼요]	allyeojugo sipeoyo
can …-(으)ㄹ 수 있어요	알려줄 수 있어요	[알려줄 쑤 이써요]	allyeojul su isseoyo
cannot …-(으)ㄹ 수 없어요	알려줄 수 없어요	[알려줄 쑤 업써요]	allyeojul su eopseoyo
have to …-아/어야 해요	알려줘야 해요	[알려줘야 해요]	allyeojwoya haeyo
may … / it’s OK to …-아/어도 돼요	알려줘도 돼요	[알려줘도 돼요]	allyeojwodo dwaeyo
must not …-(으)면 안 돼요	알려주면 안 돼요	[알려주면 안 돼요]	allyeojumyeon an dwaeyo
…ing (noun)-기	알려주기	[알려주기]	allyeojugi

How 알려주다 changes

알려주 ends in a vowel, so 알려주 + 아/어 becomes 알려줘 → 알려줘요, 알려줬어요. Endings written -(으) attach directly → 알려주면, 알려줄. 알려주다 is regular.

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

Questions

How do you say “let know” in Korean?

“To let (someone) know” is 알려주다 (allyeojuda), pronounced [알려주다]. In a sentence: 전화번호 좀 알려주세요. — Please tell me your phone number.

What is the past tense of 알려주다?

알려줬어요 (allyeojwosseoyo) is the polite past tense of 알려주다 (“to let (someone) know”). Formal: 알려줬습니다; casual: 알려줬어.

How do you say 알려주다 politely?

Everyday polite: 알려줘요 (allyeojwoyo). Formal: 알려줍니다. Casual, with close friends: 알려줘.

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

알려주고 싶어요 (allyeojugo sipeoyo), pronounced [알려주고 시퍼요].

Is 알려주다 irregular?

No. 알려주 ends in a vowel, so 알려주 + 아/어 becomes 알려줘 → 알려줘요, 알려줬어요. Endings written -(으) attach directly → 알려주면, 알려줄. 알려주다 is regular.

More regular words like 알려주다

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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