Verbseoul.
하다 verb
행사하다haengsahadato employ

To say to employ politely in the present tense, use 행사해요 (haeng-sah-hae-yoh). Below is the full conjugation of 행사하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
행사해
haeng-sah-hae
행사해요
haeng-sah-hae-yoh
행사합니다
haeng-sah-hahm-nee-dah
Past
행사했어
haeng-sah-hae-ssuh
행사했어요
haeng-sah-hae-ssuh-yoh
행사했습니다
haeng-sah-hae-sseum-nee-dah
Future
행사할 거야
haeng-sah-hahl- -guh-yah
행사할 거예요
haeng-sah-hahl- -guh-yae-yoh
행사할 겁니다
haeng-sah-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
행사하세요
haeng-sah-hah-sae-yoh
Suggestion / Let's Polite (요)
행사해요
haeng-sah-hae-yoh
Question Polite (요)
행사해요?
haeng-sah-hae-yoh-?
Connective “and” — (고)
행사하고
haeng-sah-hah-goh
Conditional “if” — (면)
행사하면
haeng-sah-hah-myuhn
Noun form — (기)
행사함
haeng-sah-hahm