Verbseoul.
하다 verb
배변하다baebyeonhadato defecate, to evacuate the bowels

To say to defecate, to evacuate the bowels politely in the present tense, use 배변해요 (bae-byuhn-hae-yoh). Below is the full conjugation of 배변하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
배변해
bae-byuhn-hae
배변해요
bae-byuhn-hae-yoh
배변합니다
bae-byuhn-hahm-nee-dah
Past
배변했어
bae-byuhn-hae-ssuh
배변했어요
bae-byuhn-hae-ssuh-yoh
배변했습니다
bae-byuhn-hae-sseum-nee-dah
Future
배변할 거야
bae-byuhn-hahl- -guh-yah
배변할 거예요
bae-byuhn-hahl- -guh-yae-yoh
배변할 겁니다
bae-byuhn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
배변하세요
bae-byuhn-hah-sae-yoh
Suggestion / Let's Polite (요)
배변해요
bae-byuhn-hae-yoh
Question Polite (요)
배변해요?
bae-byuhn-hae-yoh-?
Connective “and” — (고)
배변하고
bae-byuhn-hah-goh
Conditional “if” — (면)
배변하면
bae-byuhn-hah-myuhn
Noun form — (기)
배변함
bae-byuhn-hahm