흡연해
heu-byuhn-hae
heubyeonhae
흡연하다
To say to smoke (cigarettes, tobacco) politely in the present tense, use 흡연해요 (heu-byuhn-hae-yoh) · heubyeonhaeyo. Below is the full conjugation of 흡연하다 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
| Tense | Casual (반말) | Polite (요) | Formal (합니다) |
|---|---|---|---|
| Present | 흡연해요 heu-byuhn-hae-yoh heubyeonhaeyo | 흡연합니다 heu-byuhn-hahm-nee-dah heubyeonhamnida | |
| Past | 흡연했어 heu-byuhn-hae-ssuh heubyeonhaesseo | 흡연했어요 heu-byuhn-hae-ssuh-yoh heubyeonhaesseoyo | 흡연했습니다 heu-byuhn-hae-sseum-nee-dah heubyeonhaesseumnida |
| Future | 흡연할 거야 heu-byuhn-hahl guh-yah heubyeonhal geoya | 흡연할 거예요 heu-byuhn-hahl guh-yae-yoh heubyeonhal geoyeyo | 흡연할 겁니다 heu-byuhn-hahl guhm-nee-dah heubyeonhal geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
흡연하세요
heu-byuhn-hah-sae-yoh
heubyeonhaseyo
Suggestion / Let's Polite (요)
흡연해요
heu-byuhn-hae-yoh
heubyeonhaeyo
Question Polite (요)
흡연해요?
heu-byuhn-hae-yoh-?
heubyeonhaeyo?
Connective "and" — (고)
흡연하고
heu-byuhn-hah-goh
heubyeonhago
Conditional "if" — (면)
흡연하면
heu-byuhn-hah-myuhn
heubyeonhamyeon
Progressive (고 있어요)
흡연하고 있어요
heu-byuhn-hah-goh ee-ssuh-yoh
heubyeonhago isseoyo
Want to (고 싶어요)
흡연하고 싶어요
heu-byuhn-hah-goh shee-puh-yoh
heubyeonhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
흡연할 수 있어요
heu-byuhn-hahl soo ee-ssuh-yoh
heubyeonhal su isseoyo
Because / So (아/어서)
흡연해서
heu-byuhn-hae-suh
heubyeonhaeseo
Noun form — (기)
흡연하기
heu-byuhn-hah-gee
heubyeonhagi
Noun form — (음)
흡연함
heu-byuhn-hahm
heubyeonham