Verbseoul.
descriptive
잘나다jalnadato have a pretty face, (to be) good-looking

To say to have a pretty face, (to be) good-looking politely in the present tense, use 잘나요 (chahl-nah-yoh). Below is the full conjugation of 잘나다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
잘나
chahl-nah
잘나요
chahl-nah-yoh
잘납니다
chahl-nahm-nee-dah
Past
잘났어
chahl-nah-ssuh
잘났어요
chahl-nah-ssuh-yoh
잘났습니다
chahl-nah-sseum-nee-dah
Future
잘날 거야
chahl-nahl- -guh-yah
잘날 거예요
chahl-nahl- -guh-yae-yoh
잘날 겁니다
chahl-nahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
잘나세요
chahl-nah-sae-yoh
Suggestion / Let's Polite (요)
잘나요
chahl-nah-yoh
Question Polite (요)
잘나요?
chahl-nah-yoh-?
Connective “and” — (고)
잘나고
chahl-nah-goh
Conditional “if” — (면)
잘나면
chahl-nah-myuhn
Noun form — (기)
잘남
chahl-nahm