Verbseoul.
regular
속이다sokidato deceive, to trick, to cheat, to fool

To say to deceive, to trick, to cheat, to fool politely in the present tense, use 속여요 (soh-gyuh-yoh). Below is the full conjugation of 속이다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
속여
soh-gyuh
속여요
soh-gyuh-yoh
속입니다
soh-geem-nee-dah
Past
속였어
soh-gyuh-ssuh
속였어요
soh-gyuh-ssuh-yoh
속였습니다
soh-gyuh-sseum-nee-dah
Future
속일 거야
soh-geel- -guh-yah
속일 거예요
soh-geel- -guh-yae-yoh
속일 겁니다
soh-geel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
속이세요
soh-gee-sae-yoh
Suggestion / Let's Polite (요)
속여요
soh-gyuh-yoh
Question Polite (요)
속여요?
soh-gyuh-yoh-?
Connective “and” — (고)
속이고
soh-gee-goh
Conditional “if” — (면)
속이면
soh-gee-myuhn
Noun form — (기)
속임
soh-geem