Verbseoul.
regular
마다madato smash

To say to smash politely in the present tense, use 마요 (mah-yoh). Below is the full conjugation of 마다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
mah
마요
mah-yoh
맙니다
mahm-nee-dah
Past
맜어
mah-ssuh
맜어요
mah-ssuh-yoh
맜습니다
mah-sseum-nee-dah
Future
말 거야
mahl- -guh-yah
말 거예요
mahl- -guh-yae-yoh
말 겁니다
mahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
마세요
mah-sae-yoh
Suggestion / Let's Polite (요)
마요
mah-yoh
Question Polite (요)
마요?
mah-yoh-?
Connective “and” — (고)
마고
mah-goh
Conditional “if” — (면)
마면
mah-myuhn
Noun form — (기)
mahm