Verbseoul.
하다 verb
어찌하다eojjihadaformal form of 어쩌다 (eojjeoda)

To say formal form of 어쩌다 (eojjeoda) politely in the present tense, use 어찌해요 (uh-jjee-hae-yoh). Below is the full conjugation of 어찌하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
어찌해
uh-jjee-hae
어찌해요
uh-jjee-hae-yoh
어찌합니다
uh-jjee-hahm-nee-dah
Past
어찌했어
uh-jjee-hae-ssuh
어찌했어요
uh-jjee-hae-ssuh-yoh
어찌했습니다
uh-jjee-hae-sseum-nee-dah
Future
어찌할 거야
uh-jjee-hahl- -guh-yah
어찌할 거예요
uh-jjee-hahl- -guh-yae-yoh
어찌할 겁니다
uh-jjee-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
어찌하세요
uh-jjee-hah-sae-yoh
Suggestion / Let's Polite (요)
어찌해요
uh-jjee-hae-yoh
Question Polite (요)
어찌해요?
uh-jjee-hae-yoh-?
Connective “and” — (고)
어찌하고
uh-jjee-hah-goh
Conditional “if” — (면)
어찌하면
uh-jjee-hah-myuhn
Noun form — (기)
어찌함
uh-jjee-hahm