Verbseoul.
regular
미치다michidato go crazy, to become insane

To say to go crazy, to become insane politely in the present tense, use 미쳐요 (mee-chyuh-yoh). Below is the full conjugation of 미치다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
미쳐
mee-chyuh
미쳐요
mee-chyuh-yoh
미칩니다
mee-cheem-nee-dah
Past
미쳤어
mee-chyuh-ssuh
미쳤어요
mee-chyuh-ssuh-yoh
미쳤습니다
mee-chyuh-sseum-nee-dah
Future
미칠 거야
mee-cheel- -guh-yah
미칠 거예요
mee-cheel- -guh-yae-yoh
미칠 겁니다
mee-cheel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
미치세요
mee-chee-sae-yoh
Suggestion / Let's Polite (요)
미쳐요
mee-chyuh-yoh
Question Polite (요)
미쳐요?
mee-chyuh-yoh-?
Connective “and” — (고)
미치고
mee-chee-goh
Conditional “if” — (면)
미치면
mee-chee-myuhn
Noun form — (기)
미침
mee-cheem