Verbseoul.
하다 verb (adj)

궁금하다 conjugation (gunggeumhada, to be curious)

To say to be curious politely in the present tense, use 궁금해요 (goong-geum-hae-yoh) · gunggeumhaeyo. Below is the full conjugation of 궁금하다 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
궁금해
goong-geum-hae
gunggeumhae
궁금해요
goong-geum-hae-yoh
gunggeumhaeyo
궁금합니다
goong-geum-hahm-nee-dah
gunggeumhamnida
Past
궁금했어
goong-geum-hae-ssuh
gunggeumhaesseo
궁금했어요
goong-geum-hae-ssuh-yoh
gunggeumhaesseoyo
궁금했습니다
goong-geum-hae-sseum-nee-dah
gunggeumhaesseumnida
Future
궁금할 거야
goong-geum-hahl guh-yah
gunggeumhal geoya
궁금할 거예요
goong-geum-hahl guh-yae-yoh
gunggeumhal geoyeyo
궁금할 겁니다
goong-geum-hahl guhm-nee-dah
gunggeumhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
궁금하세요
goong-geum-hah-sae-yoh
gunggeumhaseyo
Suggestion / Let's Polite (요)
궁금해요
goong-geum-hae-yoh
gunggeumhaeyo
Question Polite (요)
궁금해요?
goong-geum-hae-yoh-?
gunggeumhaeyo?
Connective "and" — (고)
궁금하고
goong-geum-hah-goh
gunggeumhago
Conditional "if" — (면)
궁금하면
goong-geum-hah-myuhn
gunggeumhamyeon
Progressive (고 있어요)
궁금하고 있어요
goong-geum-hah-goh ee-ssuh-yoh
gunggeumhago isseoyo
Want to (고 싶어요)
궁금하고 싶어요
goong-geum-hah-goh shee-puh-yoh
gunggeumhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
궁금할 수 있어요
goong-geum-hahl soo ee-ssuh-yoh
gunggeumhal su isseoyo
Because / So (아/어서)
궁금해서
goong-geum-hae-suh
gunggeumhaeseo
Noun form — (기)
궁금하기
goong-geum-hah-gee
gunggeumhagi
Noun form — (음)
궁금함
goong-geum-hahm
gunggeumham