Verbseoul.
regular
가만두다gamandudato leave (a person) alone

To say to leave (a person) alone politely in the present tense, use 가만둬요 (gah-mahn-dwuh-yoh). Below is the full conjugation of 가만두다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
가만둬
gah-mahn-dwuh
가만둬요
gah-mahn-dwuh-yoh
가만둡니다
gah-mahn-doom-nee-dah
Past
가만뒀어
gah-mahn-dwuh-ssuh
가만뒀어요
gah-mahn-dwuh-ssuh-yoh
가만뒀습니다
gah-mahn-dwuh-sseum-nee-dah
Future
가만둘 거야
gah-mahn-dool- -guh-yah
가만둘 거예요
gah-mahn-dool- -guh-yae-yoh
가만둘 겁니다
gah-mahn-dool- -guhm-nee-dah

Other useful forms

Command Polite (세요)
가만두세요
gah-mahn-doo-sae-yoh
Suggestion / Let's Polite (요)
가만둬요
gah-mahn-dwuh-yoh
Question Polite (요)
가만둬요?
gah-mahn-dwuh-yoh-?
Connective “and” — (고)
가만두고
gah-mahn-doo-goh
Conditional “if” — (면)
가만두면
gah-mahn-doo-myuhn
Noun form — (기)
가만둠
gah-mahn-doom