Verbseoul.
하다 verb
기업하다gieophadato do business

To say to do business politely in the present tense, use 기업해요 (gee-uh-pae-yoh). Below is the full conjugation of 기업하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
기업해
gee-uh-pae
기업해요
gee-uh-pae-yoh
기업합니다
gee-uh-pahm-nee-dah
Past
기업했어
gee-uh-pae-ssuh
기업했어요
gee-uh-pae-ssuh-yoh
기업했습니다
gee-uh-pae-sseum-nee-dah
Future
기업할 거야
gee-uh-pahl- -guh-yah
기업할 거예요
gee-uh-pahl- -guh-yae-yoh
기업할 겁니다
gee-uh-pahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
기업하세요
gee-uh-pah-sae-yoh
Suggestion / Let's Polite (요)
기업해요
gee-uh-pae-yoh
Question Polite (요)
기업해요?
gee-uh-pae-yoh-?
Connective “and” — (고)
기업하고
gee-uh-pah-goh
Conditional “if” — (면)
기업하면
gee-uh-pah-myuhn
Noun form — (기)
기업함
gee-uh-pahm