Verbseoul.
하다 verb (adj)
충분하다chungbunhadato be sufficient or adequate

To say to be sufficient or adequate politely in the present tense, use 충분해요 (choong-boon-hae-yoh). Below is the full conjugation of 충분하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
충분해
choong-boon-hae
충분해요
choong-boon-hae-yoh
충분합니다
choong-boon-hahm-nee-dah
Past
충분했어
choong-boon-hae-ssuh
충분했어요
choong-boon-hae-ssuh-yoh
충분했습니다
choong-boon-hae-sseum-nee-dah
Future
충분할 거야
choong-boon-hahl- -guh-yah
충분할 거예요
choong-boon-hahl- -guh-yae-yoh
충분할 겁니다
choong-boon-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
충분하세요
choong-boon-hah-sae-yoh
Suggestion / Let's Polite (요)
충분해요
choong-boon-hae-yoh
Question Polite (요)
충분해요?
choong-boon-hae-yoh-?
Connective “and” — (고)
충분하고
choong-boon-hah-goh
Conditional “if” — (면)
충분하면
choong-boon-hah-myuhn
Noun form — (기)
충분함
choong-boon-hahm