Verbseoul.
regular
섬기다seomgidato serve, to obey

To say to serve, to obey politely in the present tense, use 섬겨요 (suhm-gyuh-yoh). Below is the full conjugation of 섬기다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
섬겨
suhm-gyuh
섬겨요
suhm-gyuh-yoh
섬깁니다
suhm-geem-nee-dah
Past
섬겼어
suhm-gyuh-ssuh
섬겼어요
suhm-gyuh-ssuh-yoh
섬겼습니다
suhm-gyuh-sseum-nee-dah
Future
섬길 거야
suhm-geel- -guh-yah
섬길 거예요
suhm-geel- -guh-yae-yoh
섬길 겁니다
suhm-geel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
섬기세요
suhm-gee-sae-yoh
Suggestion / Let's Polite (요)
섬겨요
suhm-gyuh-yoh
Question Polite (요)
섬겨요?
suhm-gyuh-yoh-?
Connective “and” — (고)
섬기고
suhm-gee-goh
Conditional “if” — (면)
섬기면
suhm-gee-myuhn
Noun form — (기)
섬김
suhm-geem