Verbseoul.
descriptive

아니다 conjugation (anida, to not be (something))

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

Grammar note (descriptive): Descriptive verbs (형용사) function like adjectives in Korean and conjugate the same way as regular action verbs. They cannot take the progressive -고 있어요 or imperative forms. 좋다 (to be good) → 좋아요; 크다 (to be big) → 커요 (으-irregular).

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
아니야
ah-nee-yah
aniya
아니야요
ah-nee-yah-yoh
aniyayo
아닙니다
ah-neem-nee-dah
animnida
Past
아니었어
ah-nee-uh-ssuh
anieosseo
아니었어요
ah-nee-uh-ssuh-yoh
anieosseoyo
아니었습니다
ah-nee-uh-sseum-nee-dah
anieosseumnida
Future
아닐 거야
ah-neel guh-yah
anil geoya
아닐 거예요
ah-neel guh-yae-yoh
anil geoyeyo
아닐 겁니다
ah-neel guhm-nee-dah
anil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
아니세요
ah-nee-sae-yoh
aniseyo
Suggestion / Let's Polite (요)
아니야요
ah-nee-yah-yoh
aniyayo
Question Polite (요)
아니야요?
ah-nee-yah-yoh-?
aniyayo?
Connective "and" — (고)
아니고
ah-nee-goh
anigo
Conditional "if" — (면)
아니면
ah-nee-myuhn
animyeon
Progressive (고 있어요)
아니고 있어요
ah-nee-goh ee-ssuh-yoh
anigo isseoyo
Want to (고 싶어요)
아니고 싶어요
ah-nee-goh shee-puh-yoh
anigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
아닐 수 있어요
ah-neel soo ee-ssuh-yoh
anil su isseoyo
Because / So (아/어서)
아니야서
ah-nee-yah-suh
aniyaseo
Noun form — (기)
아니기
ah-nee-gee
anigi
Noun form — (음)
아님
ah-neem
anim