Verbseoul.
regular
쓰러지다sseureojidato fall, to collapse

To say to fall, to collapse politely in the present tense, use 쓰러져요 (sseu-ruh-chyuh-yoh). Below is the full conjugation of 쓰러지다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
쓰러져
sseu-ruh-chyuh
쓰러져요
sseu-ruh-chyuh-yoh
쓰러집니다
sseu-ruh-cheem-nee-dah
Past
쓰러졌어
sseu-ruh-chyuh-ssuh
쓰러졌어요
sseu-ruh-chyuh-ssuh-yoh
쓰러졌습니다
sseu-ruh-chyuh-sseum-nee-dah
Future
쓰러질 거야
sseu-ruh-cheel- -guh-yah
쓰러질 거예요
sseu-ruh-cheel- -guh-yae-yoh
쓰러질 겁니다
sseu-ruh-cheel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
쓰러지세요
sseu-ruh-chee-sae-yoh
Suggestion / Let's Polite (요)
쓰러져요
sseu-ruh-chyuh-yoh
Question Polite (요)
쓰러져요?
sseu-ruh-chyuh-yoh-?
Connective “and” — (고)
쓰러지고
sseu-ruh-chee-goh
Conditional “if” — (면)
쓰러지면
sseu-ruh-chee-myuhn
Noun form — (기)
쓰러짐
sseu-ruh-cheem