Verbseoul.
하다 verb
그만하다geumanhadato stop

To say to stop politely in the present tense, use 그만해요 (geu-mahn-hae-yoh). Below is the full conjugation of 그만하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
그만해
geu-mahn-hae
그만해요
geu-mahn-hae-yoh
그만합니다
geu-mahn-hahm-nee-dah
Past
그만했어
geu-mahn-hae-ssuh
그만했어요
geu-mahn-hae-ssuh-yoh
그만했습니다
geu-mahn-hae-sseum-nee-dah
Future
그만할 거야
geu-mahn-hahl- -guh-yah
그만할 거예요
geu-mahn-hahl- -guh-yae-yoh
그만할 겁니다
geu-mahn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
그만하세요
geu-mahn-hah-sae-yoh
Suggestion / Let's Polite (요)
그만해요
geu-mahn-hae-yoh
Question Polite (요)
그만해요?
geu-mahn-hae-yoh-?
Connective “and” — (고)
그만하고
geu-mahn-hah-goh
Conditional “if” — (면)
그만하면
geu-mahn-hah-myuhn
Noun form — (기)
그만함
geu-mahn-hahm