Verbseoul.
르 irregular
흐르다heureudato flow

To say to flow politely in the present tense, use 흘러요 (heul-ruh-yoh). Below is the full conjugation of 흐르다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
흘러
heul-ruh
흘러요
heul-ruh-yoh
흐릅니다
heu-reum-nee-dah
Past
흘렀어
heul-ruh-ssuh
흘렀어요
heul-ruh-ssuh-yoh
흘렀습니다
heul-ruh-sseum-nee-dah
Future
흐를 거야
heu-reul- -guh-yah
흐를 거예요
heu-reul- -guh-yae-yoh
흐를 겁니다
heu-reul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
흐르세요
heu-reu-sae-yoh
Suggestion / Let's Polite (요)
흘러요
heul-ruh-yoh
Question Polite (요)
흘러요?
heul-ruh-yoh-?
Connective “and” — (고)
흐르고
heu-reu-goh
Conditional “if” — (면)
흐르면
heu-reu-myuhn
Noun form — (기)
흐름
heu-reum