Verbseoul.
하다 (irregular)

일하다 conjugation (ilhada, to work)

To say to work politely in the present tense, use 일해요 (eel-hae-yoh) · ilhaeyo. Below is the full conjugation of 일하다 across the three tenses and three everyday speech levels.

Grammar note (하다 (irregular)): 하다 (to do) is the base of Korean's most common verb class. It conjugates irregularly: the ㅏ in 하 contracts with the -아/-어 ending to give 해 instead of the expected *하어. Present polite: 해요; past: 했어요; future: 할 거예요. The formal form is 합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
일해
eel-hae
ilhae
일해요
eel-hae-yoh
ilhaeyo
일합니다
eel-hahm-nee-dah
ilhamnida
Past
일했어
eel-hae-ssuh
ilhaesseo
일했어요
eel-hae-ssuh-yoh
ilhaesseoyo
일했습니다
eel-hae-sseum-nee-dah
ilhaesseumnida
Future
일할 거야
eel-hahl guh-yah
ilhal geoya
일할 거예요
eel-hahl guh-yae-yoh
ilhal geoyeyo
일할 겁니다
eel-hahl guhm-nee-dah
ilhal geomnida

Example sentences

How it’s used

일하다 means to work at a job; the workplace takes 에서: 은행에서 일해요. Like other noun + 하다 verbs it can also be split: 일을 해요. To ask what someone does for a living, Koreans usually say 무슨 일 하세요?

Common mistake

Using 일하다 for machines: ✗ 컴퓨터가 일 안 해요 → ✓ 컴퓨터가 안 돼요 (or 작동이 안 돼요). 일하다 is only for people doing work.

Other useful forms

Honorific / Command Polite (-(으)세요)
일하세요
eel-hah-sae-yoh
ilhaseyo
Suggestion / Let's Polite (요)
일해요
eel-hae-yoh
ilhaeyo
Question Polite (요)
일해요?
eel-hae-yoh-?
ilhaeyo?
Connective "and" — (고)
일하고
eel-hah-goh
ilhago
Conditional "if" — (면)
일하면
eel-hah-myuhn
ilhamyeon
Progressive (고 있어요)
일하고 있어요
eel-hah-goh ee-ssuh-yoh
ilhago isseoyo
Want to (고 싶어요)
일하고 싶어요
eel-hah-goh shee-puh-yoh
ilhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
일할 수 있어요
eel-hahl soo ee-ssuh-yoh
ilhal su isseoyo
Because / So (아/어서)
일해서
eel-hae-suh
ilhaeseo
Noun form — (기)
일하기
eel-hah-gee
ilhagi
Noun form — (음)
일함
eel-hahm
ilham