Verbseoul.
하다 verb (adj)
완벽하다wanbyeokhadaperfect, immaculate, flawless

To say perfect, immaculate, flawless politely in the present tense, use 완벽해요 (wahn-byuh-kae-yoh). Below is the full conjugation of 완벽하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
완벽해
wahn-byuh-kae
완벽해요
wahn-byuh-kae-yoh
완벽합니다
wahn-byuh-kahm-nee-dah
Past
완벽했어
wahn-byuh-kae-ssuh
완벽했어요
wahn-byuh-kae-ssuh-yoh
완벽했습니다
wahn-byuh-kae-sseum-nee-dah
Future
완벽할 거야
wahn-byuh-kahl- -guh-yah
완벽할 거예요
wahn-byuh-kahl- -guh-yae-yoh
완벽할 겁니다
wahn-byuh-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
완벽하세요
wahn-byuh-kah-sae-yoh
Suggestion / Let's Polite (요)
완벽해요
wahn-byuh-kae-yoh
Question Polite (요)
완벽해요?
wahn-byuh-kae-yoh-?
Connective “and” — (고)
완벽하고
wahn-byuh-kah-goh
Conditional “if” — (면)
완벽하면
wahn-byuh-kah-myuhn
Noun form — (기)
완벽함
wahn-byuh-kahm