Verbseoul.
하다 verb
겸하다gyeomhadato serve also as ..

To say to serve also as .. politely in the present tense, use 겸해요 (gyuhm-hae-yoh). Below is the full conjugation of 겸하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
겸해
gyuhm-hae
겸해요
gyuhm-hae-yoh
겸합니다
gyuhm-hahm-nee-dah
Past
겸했어
gyuhm-hae-ssuh
겸했어요
gyuhm-hae-ssuh-yoh
겸했습니다
gyuhm-hae-sseum-nee-dah
Future
겸할 거야
gyuhm-hahl- -guh-yah
겸할 거예요
gyuhm-hahl- -guh-yae-yoh
겸할 겁니다
gyuhm-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
겸하세요
gyuhm-hah-sae-yoh
Suggestion / Let's Polite (요)
겸해요
gyuhm-hae-yoh
Question Polite (요)
겸해요?
gyuhm-hae-yoh-?
Connective “and” — (고)
겸하고
gyuhm-hah-goh
Conditional “if” — (면)
겸하면
gyuhm-hah-myuhn
Noun form — (기)
겸함
gyuhm-hahm