Verbseoul.
하다 verb

폭발하다 conjugation (pokbalhada, to explode)

To say to explode politely in the present tense, use 폭발해요 (pohg-bahl-hae-yoh) · pokbalhaeyo. Below is the full conjugation of 폭발하다 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
폭발해
pohg-bahl-hae
pokbalhae
폭발해요
pohg-bahl-hae-yoh
pokbalhaeyo
폭발합니다
pohg-bahl-hahm-nee-dah
pokbalhamnida
Past
폭발했어
pohg-bahl-hae-ssuh
pokbalhaesseo
폭발했어요
pohg-bahl-hae-ssuh-yoh
pokbalhaesseoyo
폭발했습니다
pohg-bahl-hae-sseum-nee-dah
pokbalhaesseumnida
Future
폭발할 거야
pohg-bahl-hahl guh-yah
pokbalhal geoya
폭발할 거예요
pohg-bahl-hahl guh-yae-yoh
pokbalhal geoyeyo
폭발할 겁니다
pohg-bahl-hahl guhm-nee-dah
pokbalhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
폭발하세요
pohg-bahl-hah-sae-yoh
pokbalhaseyo
Suggestion / Let's Polite (요)
폭발해요
pohg-bahl-hae-yoh
pokbalhaeyo
Question Polite (요)
폭발해요?
pohg-bahl-hae-yoh-?
pokbalhaeyo?
Connective "and" — (고)
폭발하고
pohg-bahl-hah-goh
pokbalhago
Conditional "if" — (면)
폭발하면
pohg-bahl-hah-myuhn
pokbalhamyeon
Progressive (고 있어요)
폭발하고 있어요
pohg-bahl-hah-goh ee-ssuh-yoh
pokbalhago isseoyo
Want to (고 싶어요)
폭발하고 싶어요
pohg-bahl-hah-goh shee-puh-yoh
pokbalhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
폭발할 수 있어요
pohg-bahl-hahl soo ee-ssuh-yoh
pokbalhal su isseoyo
Because / So (아/어서)
폭발해서
pohg-bahl-hae-suh
pokbalhaeseo
Noun form — (기)
폭발하기
pohg-bahl-hah-gee
pokbalhagi
Noun form — (음)
폭발함
pohg-bahl-hahm
pokbalham