Verbseoul.
ㅎ irregular (adj)
동그랗다donggeuratdato be round

To say to be round politely in the present tense, use 동그래요 (dohng-geu-rae-yoh). Below is the full conjugation of 동그랗다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
동그래
dohng-geu-rae
동그래요
dohng-geu-rae-yoh
동그랗습니다
dohng-geu-rah-sseum-nee-dah
Past
동그랬어
dohng-geu-rae-ssuh
동그랬어요
dohng-geu-rae-ssuh-yoh
동그랬습니다
dohng-geu-rae-sseum-nee-dah
Future
동그랄 거야
dohng-geu-rahl- -guh-yah
동그랄 거예요
dohng-geu-rahl- -guh-yae-yoh
동그랄 겁니다
dohng-geu-rahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
동그라세요
dohng-geu-rah-sae-yoh
Suggestion / Let's Polite (요)
동그래요
dohng-geu-rae-yoh
Question Polite (요)
동그래요?
dohng-geu-rae-yoh-?
Connective “and” — (고)
동그랗고
dohng-geu-rah-koh
Conditional “if” — (면)
동그라면
dohng-geu-rah-myuhn
Noun form — (기)
동그람
dohng-geu-rahm