Verbseoul.
regular
멈추다meomchudato stop

To say to stop politely in the present tense, use 멈춰요 (muhm-chwuh-yoh). Below is the full conjugation of 멈추다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
멈춰
muhm-chwuh
멈춰요
muhm-chwuh-yoh
멈춥니다
muhm-choom-nee-dah
Past
멈췄어
muhm-chwuh-ssuh
멈췄어요
muhm-chwuh-ssuh-yoh
멈췄습니다
muhm-chwuh-sseum-nee-dah
Future
멈출 거야
muhm-chool- -guh-yah
멈출 거예요
muhm-chool- -guh-yae-yoh
멈출 겁니다
muhm-chool- -guhm-nee-dah

Other useful forms

Command Polite (세요)
멈추세요
muhm-choo-sae-yoh
Suggestion / Let's Polite (요)
멈춰요
muhm-chwuh-yoh
Question Polite (요)
멈춰요?
muhm-chwuh-yoh-?
Connective “and” — (고)
멈추고
muhm-choo-goh
Conditional “if” — (면)
멈추면
muhm-choo-myuhn
Noun form — (기)
멈춤
muhm-choom