Verbseoul.
하다 verb
결석하다gyeolseokhadato be absent

To say to be absent politely in the present tense, use 결석해요 (gyuhl-suh-kae-yoh). Below is the full conjugation of 결석하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
결석해
gyuhl-suh-kae
결석해요
gyuhl-suh-kae-yoh
결석합니다
gyuhl-suh-kahm-nee-dah
Past
결석했어
gyuhl-suh-kae-ssuh
결석했어요
gyuhl-suh-kae-ssuh-yoh
결석했습니다
gyuhl-suh-kae-sseum-nee-dah
Future
결석할 거야
gyuhl-suh-kahl- -guh-yah
결석할 거예요
gyuhl-suh-kahl- -guh-yae-yoh
결석할 겁니다
gyuhl-suh-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
결석하세요
gyuhl-suh-kah-sae-yoh
Suggestion / Let's Polite (요)
결석해요
gyuhl-suh-kae-yoh
Question Polite (요)
결석해요?
gyuhl-suh-kae-yoh-?
Connective “and” — (고)
결석하고
gyuhl-suh-kah-goh
Conditional “if” — (면)
결석하면
gyuhl-suh-kah-myuhn
Noun form — (기)
결석함
gyuhl-suh-kahm