Verbseoul.
하다 verb
존재하다jonjaehadato exist

To say to exist politely in the present tense, use 존재해요 (chohn-chae-hae-yoh). Below is the full conjugation of 존재하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
존재해
chohn-chae-hae
존재해요
chohn-chae-hae-yoh
존재합니다
chohn-chae-hahm-nee-dah
Past
존재했어
chohn-chae-hae-ssuh
존재했어요
chohn-chae-hae-ssuh-yoh
존재했습니다
chohn-chae-hae-sseum-nee-dah
Future
존재할 거야
chohn-chae-hahl- -guh-yah
존재할 거예요
chohn-chae-hahl- -guh-yae-yoh
존재할 겁니다
chohn-chae-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
존재하세요
chohn-chae-hah-sae-yoh
Suggestion / Let's Polite (요)
존재해요
chohn-chae-hae-yoh
Question Polite (요)
존재해요?
chohn-chae-hae-yoh-?
Connective “and” — (고)
존재하고
chohn-chae-hah-goh
Conditional “if” — (면)
존재하면
chohn-chae-hah-myuhn
Noun form — (기)
존재함
chohn-chae-hahm