Verbseoul.
하다 verb (adj)
완전하다wanjeonhadacomplete, full, perfect

To say complete, full, perfect politely in the present tense, use 완전해요 (wahn-chuhn-hae-yoh). Below is the full conjugation of 완전하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
완전해
wahn-chuhn-hae
완전해요
wahn-chuhn-hae-yoh
완전합니다
wahn-chuhn-hahm-nee-dah
Past
완전했어
wahn-chuhn-hae-ssuh
완전했어요
wahn-chuhn-hae-ssuh-yoh
완전했습니다
wahn-chuhn-hae-sseum-nee-dah
Future
완전할 거야
wahn-chuhn-hahl- -guh-yah
완전할 거예요
wahn-chuhn-hahl- -guh-yae-yoh
완전할 겁니다
wahn-chuhn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
완전하세요
wahn-chuhn-hah-sae-yoh
Suggestion / Let's Polite (요)
완전해요
wahn-chuhn-hae-yoh
Question Polite (요)
완전해요?
wahn-chuhn-hae-yoh-?
Connective “and” — (고)
완전하고
wahn-chuhn-hah-goh
Conditional “if” — (면)
완전하면
wahn-chuhn-hah-myuhn
Noun form — (기)
완전함
wahn-chuhn-hahm