Verbseoul.
하다 verb (adj)

열렬하다 conjugation (yeolryeolhada, to be enthusiastic, to be vehement, to be ardent)

To say to be enthusiastic, to be vehement, to be ardent politely in the present tense, use 열렬해요 (yuhl-ryuhl-hae-yoh) · yeolryeolhaeyo. Below is the full conjugation of 열렬하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb (adj)): 하다 adjectives use the same verb 하다 as a suffix to turn descriptive nouns into predicates (행복하다 = to be happy). They conjugate identically to 하다 verbs: the 하 contracts before -아/-어 suffixes to give 해. 행복해요, 행복했어요, 행복합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
열렬해
yuhl-ryuhl-hae
yeolryeolhae
열렬해요
yuhl-ryuhl-hae-yoh
yeolryeolhaeyo
열렬합니다
yuhl-ryuhl-hahm-nee-dah
yeolryeolhamnida
Past
열렬했어
yuhl-ryuhl-hae-ssuh
yeolryeolhaesseo
열렬했어요
yuhl-ryuhl-hae-ssuh-yoh
yeolryeolhaesseoyo
열렬했습니다
yuhl-ryuhl-hae-sseum-nee-dah
yeolryeolhaesseumnida
Future
열렬할 거야
yuhl-ryuhl-hahl guh-yah
yeolryeolhal geoya
열렬할 거예요
yuhl-ryuhl-hahl guh-yae-yoh
yeolryeolhal geoyeyo
열렬할 겁니다
yuhl-ryuhl-hahl guhm-nee-dah
yeolryeolhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
열렬하세요
yuhl-ryuhl-hah-sae-yoh
yeolryeolhaseyo
Suggestion / Let's Polite (요)
열렬해요
yuhl-ryuhl-hae-yoh
yeolryeolhaeyo
Question Polite (요)
열렬해요?
yuhl-ryuhl-hae-yoh-?
yeolryeolhaeyo?
Connective "and" — (고)
열렬하고
yuhl-ryuhl-hah-goh
yeolryeolhago
Conditional "if" — (면)
열렬하면
yuhl-ryuhl-hah-myuhn
yeolryeolhamyeon
Progressive (고 있어요)
열렬하고 있어요
yuhl-ryuhl-hah-goh ee-ssuh-yoh
yeolryeolhago isseoyo
Want to (고 싶어요)
열렬하고 싶어요
yuhl-ryuhl-hah-goh shee-puh-yoh
yeolryeolhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
열렬할 수 있어요
yuhl-ryuhl-hahl soo ee-ssuh-yoh
yeolryeolhal su isseoyo
Because / So (아/어서)
열렬해서
yuhl-ryuhl-hae-suh
yeolryeolhaeseo
Noun form — (기)
열렬하기
yuhl-ryuhl-hah-gee
yeolryeolhagi
Noun form — (음)
열렬함
yuhl-ryuhl-hahm
yeolryeolham