Verbseoul.
descriptive
아니다anidato not be (something)

To say to not be (something) politely in the present tense, use 아니야요 (ah-nee-yah-yoh). Below is the full conjugation of 아니다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
아니야
ah-nee-yah
아니야요
ah-nee-yah-yoh
아닙니다
ah-neem-nee-dah
Past
아니었어
ah-nee-uh-ssuh
아니었어요
ah-nee-uh-ssuh-yoh
아니었습니다
ah-nee-uh-sseum-nee-dah
Future
아닐 거야
ah-neel- -guh-yah
아닐 거예요
ah-neel- -guh-yae-yoh
아닐 겁니다
ah-neel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
아니세요
ah-nee-sae-yoh
Suggestion / Let's Polite (요)
아니야요
ah-nee-yah-yoh
Question Polite (요)
아니야요?
ah-nee-yah-yoh-?
Connective “and” — (고)
아니고
ah-nee-goh
Conditional “if” — (면)
아니면
ah-nee-myuhn
Noun form — (기)
아님
ah-neem