Verbseoul.
으 irregular
마스다maseudato break (something)

To say to break (something) politely in the present tense, use 마사요 (mah-sah-yoh). Below is the full conjugation of 마스다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
마사
mah-sah
마사요
mah-sah-yoh
마습니다
mah-seum-nee-dah
Past
마샀어
mah-sah-ssuh
마샀어요
mah-sah-ssuh-yoh
마샀습니다
mah-sah-sseum-nee-dah
Future
마슬 거야
mah-seul- -guh-yah
마슬 거예요
mah-seul- -guh-yae-yoh
마슬 겁니다
mah-seul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
마스세요
mah-seu-sae-yoh
Suggestion / Let's Polite (요)
마사요
mah-sah-yoh
Question Polite (요)
마사요?
mah-sah-yoh-?
Connective “and” — (고)
마스고
mah-seu-goh
Conditional “if” — (면)
마스면
mah-seu-myuhn
Noun form — (기)
마슴
mah-seum