Verbseoul.
하다 verb
자살하다jasalhadato commit suicide

To say to commit suicide politely in the present tense, use 자살해요 (chah-sahl-hae-yoh). Below is the full conjugation of 자살하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
자살해
chah-sahl-hae
자살해요
chah-sahl-hae-yoh
자살합니다
chah-sahl-hahm-nee-dah
Past
자살했어
chah-sahl-hae-ssuh
자살했어요
chah-sahl-hae-ssuh-yoh
자살했습니다
chah-sahl-hae-sseum-nee-dah
Future
자살할 거야
chah-sahl-hahl- -guh-yah
자살할 거예요
chah-sahl-hahl- -guh-yae-yoh
자살할 겁니다
chah-sahl-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
자살하세요
chah-sahl-hah-sae-yoh
Suggestion / Let's Polite (요)
자살해요
chah-sahl-hae-yoh
Question Polite (요)
자살해요?
chah-sahl-hae-yoh-?
Connective “and” — (고)
자살하고
chah-sahl-hah-goh
Conditional “if” — (면)
자살하면
chah-sahl-hah-myuhn
Noun form — (기)
자살함
chah-sahl-hahm