Verbseoul.
하다 verb

불륜하다 conjugation (bulryunhada, to have an affair)

To say to have an affair politely in the present tense, use 불륜해요 (bool-ryoon-hae-yoh) · bulryunhaeyo. Below is the full conjugation of 불륜하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb): 하다 verbs are formed with a Sino-Korean noun + 하다 (e.g. 공부하다 = study + do). 하다 conjugates irregularly: the ㅏ in 하 contracts with the -아/-어 suffix to give 해 (not *하어). Present polite: 해요; past polite: 했어요. The formal ending is 합니다 (not *하습니다). Most noun+하다 compounds follow this pattern uniformly. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
불륜해
bool-ryoon-hae
bulryunhae
불륜해요
bool-ryoon-hae-yoh
bulryunhaeyo
불륜합니다
bool-ryoon-hahm-nee-dah
bulryunhamnida
Past
불륜했어
bool-ryoon-hae-ssuh
bulryunhaesseo
불륜했어요
bool-ryoon-hae-ssuh-yoh
bulryunhaesseoyo
불륜했습니다
bool-ryoon-hae-sseum-nee-dah
bulryunhaesseumnida
Future
불륜할 거야
bool-ryoon-hahl guh-yah
bulryunhal geoya
불륜할 거예요
bool-ryoon-hahl guh-yae-yoh
bulryunhal geoyeyo
불륜할 겁니다
bool-ryoon-hahl guhm-nee-dah
bulryunhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
불륜하세요
bool-ryoon-hah-sae-yoh
bulryunhaseyo
Suggestion / Let's Polite (요)
불륜해요
bool-ryoon-hae-yoh
bulryunhaeyo
Question Polite (요)
불륜해요?
bool-ryoon-hae-yoh-?
bulryunhaeyo?
Connective "and" — (고)
불륜하고
bool-ryoon-hah-goh
bulryunhago
Conditional "if" — (면)
불륜하면
bool-ryoon-hah-myuhn
bulryunhamyeon
Progressive (고 있어요)
불륜하고 있어요
bool-ryoon-hah-goh ee-ssuh-yoh
bulryunhago isseoyo
Want to (고 싶어요)
불륜하고 싶어요
bool-ryoon-hah-goh shee-puh-yoh
bulryunhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
불륜할 수 있어요
bool-ryoon-hahl soo ee-ssuh-yoh
bulryunhal su isseoyo
Because / So (아/어서)
불륜해서
bool-ryoon-hae-suh
bulryunhaeseo
Noun form — (기)
불륜하기
bool-ryoon-hah-gee
bulryunhagi
Noun form — (음)
불륜함
bool-ryoon-hahm
bulryunham