Verbseoul.
하다 verb (adj)
아니하다anihadaformal form of 않다 (anta)

To say formal form of 않다 (anta) politely in the present tense, use 아니해요 (ah-nee-hae-yoh). Below is the full conjugation of 아니하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
아니해
ah-nee-hae
아니해요
ah-nee-hae-yoh
아니합니다
ah-nee-hahm-nee-dah
Past
아니했어
ah-nee-hae-ssuh
아니했어요
ah-nee-hae-ssuh-yoh
아니했습니다
ah-nee-hae-sseum-nee-dah
Future
아니할 거야
ah-nee-hahl- -guh-yah
아니할 거예요
ah-nee-hahl- -guh-yae-yoh
아니할 겁니다
ah-nee-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
아니하세요
ah-nee-hah-sae-yoh
Suggestion / Let's Polite (요)
아니해요
ah-nee-hae-yoh
Question Polite (요)
아니해요?
ah-nee-hae-yoh-?
Connective “and” — (고)
아니하고
ah-nee-hah-goh
Conditional “if” — (면)
아니하면
ah-nee-hah-myuhn
Noun form — (기)
아니함
ah-nee-hahm