Verbseoul.
ㅎ irregular (adj)
말갛다malgatdaclear

To say clear politely in the present tense, use 말개요 (mahl-gae-yoh). Below is the full conjugation of 말갛다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
말개
mahl-gae
말개요
mahl-gae-yoh
말갛습니다
mahl-gah-sseum-nee-dah
Past
말갰어
mahl-gae-ssuh
말갰어요
mahl-gae-ssuh-yoh
말갰습니다
mahl-gae-sseum-nee-dah
Future
말갈 거야
mahl-gahl- -guh-yah
말갈 거예요
mahl-gahl- -guh-yae-yoh
말갈 겁니다
mahl-gahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
말가세요
mahl-gah-sae-yoh
Suggestion / Let's Polite (요)
말개요
mahl-gae-yoh
Question Polite (요)
말개요?
mahl-gae-yoh-?
Connective “and” — (고)
말갛고
mahl-gah-koh
Conditional “if” — (면)
말가면
mahl-gah-myuhn
Noun form — (기)
말감
mahl-gahm