Verbseoul.
regular

속이다 conjugation (sokida, to 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) · sogyeoyo. Below is the full conjugation of 속이다 across the three tenses and three everyday speech levels.

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
속여
soh-gyuh
sogyeo
속여요
soh-gyuh-yoh
sogyeoyo
속입니다
soh-geem-nee-dah
sogimnida
Past
속였어
soh-gyuh-ssuh
sogyeosseo
속였어요
soh-gyuh-ssuh-yoh
sogyeosseoyo
속였습니다
soh-gyuh-sseum-nee-dah
sogyeosseumnida
Future
속일 거야
soh-geel guh-yah
sogil geoya
속일 거예요
soh-geel guh-yae-yoh
sogil geoyeyo
속일 겁니다
soh-geel guhm-nee-dah
sogil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
속이세요
soh-gee-sae-yoh
sogiseyo
Suggestion / Let's Polite (요)
속여요
soh-gyuh-yoh
sogyeoyo
Question Polite (요)
속여요?
soh-gyuh-yoh-?
sogyeoyo?
Connective "and" — (고)
속이고
soh-gee-goh
sogigo
Conditional "if" — (면)
속이면
soh-gee-myuhn
sogimyeon
Progressive (고 있어요)
속이고 있어요
soh-gee-goh ee-ssuh-yoh
sogigo isseoyo
Want to (고 싶어요)
속이고 싶어요
soh-gee-goh shee-puh-yoh
sogigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
속일 수 있어요
soh-geel soo ee-ssuh-yoh
sogil su isseoyo
Because / So (아/어서)
속여서
soh-gyuh-suh
sogyeoseo
Noun form — (기)
속이기
soh-gee-gee
sogigi
Noun form — (음)
속임
soh-geem
sogim