Verbseoul.
하다 verb
복수하다boksuhadato revenge

To say to revenge politely in the present tense, use 복수해요 (bohg-ssoo-hae-yoh). Below is the full conjugation of 복수하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
복수해
bohg-ssoo-hae
복수해요
bohg-ssoo-hae-yoh
복수합니다
bohg-ssoo-hahm-nee-dah
Past
복수했어
bohg-ssoo-hae-ssuh
복수했어요
bohg-ssoo-hae-ssuh-yoh
복수했습니다
bohg-ssoo-hae-sseum-nee-dah
Future
복수할 거야
bohg-ssoo-hahl- -guh-yah
복수할 거예요
bohg-ssoo-hahl- -guh-yae-yoh
복수할 겁니다
bohg-ssoo-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
복수하세요
bohg-ssoo-hah-sae-yoh
Suggestion / Let's Polite (요)
복수해요
bohg-ssoo-hae-yoh
Question Polite (요)
복수해요?
bohg-ssoo-hae-yoh-?
Connective “and” — (고)
복수하고
bohg-ssoo-hah-goh
Conditional “if” — (면)
복수하면
bohg-ssoo-hah-myuhn
Noun form — (기)
복수함
bohg-ssoo-hahm