Verbseoul.
descriptive
않다andaauxiliary adjective used to negate the clause to which the main adject

To say auxiliary adjective used to negate the clause to which the main adject politely in the present tense, use 않아요 (ahn-ah-yoh). Below is the full conjugation of 않다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
않아
ahn-ah
않아요
ahn-ah-yoh
않습니다
ahn-seum-nee-dah
Past
않았어
ahn-ah-ssuh
않았어요
ahn-ah-ssuh-yoh
않았습니다
ahn-ah-sseum-nee-dah
Future
않을 거야
ahn-eul- -guh-yah
않을 거예요
ahn-eul- -guh-yae-yoh
않을 겁니다
ahn-eul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
않으세요
ahn-eu-sae-yoh
Suggestion / Let's Polite (요)
않아요
ahn-ah-yoh
Question Polite (요)
않아요?
ahn-ah-yoh-?
Connective “and” — (고)
않고
ahn-goh
Conditional “if” — (면)
않으면
ahn-eu-myuhn
Noun form — (기)
않음
ahn-eum