Verbseoul.
하다 verb (adj)

순진하다 conjugation (sunjinhada, innocent, naïve)

To say innocent, naïve politely in the present tense, use 순진해요 (soon-cheen-hae-yoh) · sunjinhaeyo. Below is the full conjugation of 순진하다 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
순진해
soon-cheen-hae
sunjinhae
순진해요
soon-cheen-hae-yoh
sunjinhaeyo
순진합니다
soon-cheen-hahm-nee-dah
sunjinhamnida
Past
순진했어
soon-cheen-hae-ssuh
sunjinhaesseo
순진했어요
soon-cheen-hae-ssuh-yoh
sunjinhaesseoyo
순진했습니다
soon-cheen-hae-sseum-nee-dah
sunjinhaesseumnida
Future
순진할 거야
soon-cheen-hahl guh-yah
sunjinhal geoya
순진할 거예요
soon-cheen-hahl guh-yae-yoh
sunjinhal geoyeyo
순진할 겁니다
soon-cheen-hahl guhm-nee-dah
sunjinhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
순진하세요
soon-cheen-hah-sae-yoh
sunjinhaseyo
Suggestion / Let's Polite (요)
순진해요
soon-cheen-hae-yoh
sunjinhaeyo
Question Polite (요)
순진해요?
soon-cheen-hae-yoh-?
sunjinhaeyo?
Connective "and" — (고)
순진하고
soon-cheen-hah-goh
sunjinhago
Conditional "if" — (면)
순진하면
soon-cheen-hah-myuhn
sunjinhamyeon
Progressive (고 있어요)
순진하고 있어요
soon-cheen-hah-goh ee-ssuh-yoh
sunjinhago isseoyo
Want to (고 싶어요)
순진하고 싶어요
soon-cheen-hah-goh shee-puh-yoh
sunjinhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
순진할 수 있어요
soon-cheen-hahl soo ee-ssuh-yoh
sunjinhal su isseoyo
Because / So (아/어서)
순진해서
soon-cheen-hae-suh
sunjinhaeseo
Noun form — (기)
순진하기
soon-cheen-hah-gee
sunjinhagi
Noun form — (음)
순진함
soon-cheen-hahm
sunjinham