Verbseoul.
regular
오르내리다oreunaeridato go up and down, to ascend and descend

To say to go up and down, to ascend and descend politely in the present tense, use 오르내려요 (oh-reu-nae-ryuh-yoh). Below is the full conjugation of 오르내리다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
오르내려
oh-reu-nae-ryuh
오르내려요
oh-reu-nae-ryuh-yoh
오르내립니다
oh-reu-nae-reem-nee-dah
Past
오르내렸어
oh-reu-nae-ryuh-ssuh
오르내렸어요
oh-reu-nae-ryuh-ssuh-yoh
오르내렸습니다
oh-reu-nae-ryuh-sseum-nee-dah
Future
오르내릴 거야
oh-reu-nae-reel- -guh-yah
오르내릴 거예요
oh-reu-nae-reel- -guh-yae-yoh
오르내릴 겁니다
oh-reu-nae-reel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
오르내리세요
oh-reu-nae-ree-sae-yoh
Suggestion / Let's Polite (요)
오르내려요
oh-reu-nae-ryuh-yoh
Question Polite (요)
오르내려요?
oh-reu-nae-ryuh-yoh-?
Connective “and” — (고)
오르내리고
oh-reu-nae-ree-goh
Conditional “if” — (면)
오르내리면
oh-reu-nae-ree-myuhn
Noun form — (기)
오르내림
oh-reu-nae-reem