Verbseoul.
regular
맞다matdato be correct, right

To say to be correct, right politely in the present tense, use 맞아요 (mah-chah-yoh). Below is the full conjugation of 맞다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
맞아
mah-chah
맞아요
mah-chah-yoh
맞습니다
maht-seum-nee-dah
Past
맞았어
mah-chah-ssuh
맞았어요
mah-chah-ssuh-yoh
맞았습니다
mah-chah-sseum-nee-dah
Future
맞을 거야
mah-cheul- -guh-yah
맞을 거예요
mah-cheul- -guh-yae-yoh
맞을 겁니다
mah-cheul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
맞으세요
mah-cheu-sae-yoh
Suggestion / Let's Polite (요)
맞아요
mah-chah-yoh
Question Polite (요)
맞아요?
mah-chah-yoh-?
Connective “and” — (고)
맞고
maht-goh
Conditional “if” — (면)
맞으면
mah-cheu-myuhn
Noun form — (기)
맞음
mah-cheum