Verbseoul.
하다 verb (adj)

충분하다 conjugation (chungbunhada, to be sufficient or adequate)

To say to be sufficient or adequate politely in the present tense, use 충분해요 (choong-boon-hae-yoh) · chungbunhaeyo. Below is the full conjugation of 충분하다 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
충분해
choong-boon-hae
chungbunhae
충분해요
choong-boon-hae-yoh
chungbunhaeyo
충분합니다
choong-boon-hahm-nee-dah
chungbunhamnida
Past
충분했어
choong-boon-hae-ssuh
chungbunhaesseo
충분했어요
choong-boon-hae-ssuh-yoh
chungbunhaesseoyo
충분했습니다
choong-boon-hae-sseum-nee-dah
chungbunhaesseumnida
Future
충분할 거야
choong-boon-hahl guh-yah
chungbunhal geoya
충분할 거예요
choong-boon-hahl guh-yae-yoh
chungbunhal geoyeyo
충분할 겁니다
choong-boon-hahl guhm-nee-dah
chungbunhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
충분하세요
choong-boon-hah-sae-yoh
chungbunhaseyo
Suggestion / Let's Polite (요)
충분해요
choong-boon-hae-yoh
chungbunhaeyo
Question Polite (요)
충분해요?
choong-boon-hae-yoh-?
chungbunhaeyo?
Connective "and" — (고)
충분하고
choong-boon-hah-goh
chungbunhago
Conditional "if" — (면)
충분하면
choong-boon-hah-myuhn
chungbunhamyeon
Progressive (고 있어요)
충분하고 있어요
choong-boon-hah-goh ee-ssuh-yoh
chungbunhago isseoyo
Want to (고 싶어요)
충분하고 싶어요
choong-boon-hah-goh shee-puh-yoh
chungbunhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
충분할 수 있어요
choong-boon-hahl soo ee-ssuh-yoh
chungbunhal su isseoyo
Because / So (아/어서)
충분해서
choong-boon-hae-suh
chungbunhaeseo
Noun form — (기)
충분하기
choong-boon-hah-gee
chungbunhagi
Noun form — (음)
충분함
choong-boon-hahm
chungbunham