Verbseoul.
ㄹ stem (adj)
둥글다dunggeuldato be round, circular

To say to be round, circular politely in the present tense, use 둥글어요 (doong-geu-ruh-yoh). Below is the full conjugation of 둥글다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
둥글어
doong-geu-ruh
둥글어요
doong-geu-ruh-yoh
둥급니다
doong-geum-nee-dah
Past
둥글었어
doong-geu-ruh-ssuh
둥글었어요
doong-geu-ruh-ssuh-yoh
둥글었습니다
doong-geu-ruh-sseum-nee-dah
Future
둥글 거야
doong-geul- -guh-yah
둥글 거예요
doong-geul- -guh-yae-yoh
둥글 겁니다
doong-geul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
둥그세요
doong-geu-sae-yoh
Suggestion / Let's Polite (요)
둥글어요
doong-geu-ruh-yoh
Question Polite (요)
둥글어요?
doong-geu-ruh-yoh-?
Connective “and” — (고)
둥글고
doong-geul-goh
Conditional “if” — (면)
둥글면
doong-geul-myuhn
Noun form — (기)
둥긂
doong-geum