Verbseoul.
regular

조이다 conjugation (joida, alternative form of 죄다 (to tighten))

To say alternative form of 죄다 (to tighten) politely in the present tense, use 조여요 (choh-yuh-yoh) · joyeoyo. Below is the full conjugation of 조이다 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
조여
choh-yuh
joyeo
조여요
choh-yuh-yoh
joyeoyo
조입니다
choh-eem-nee-dah
joimnida
Past
조였어
choh-yuh-ssuh
joyeosseo
조였어요
choh-yuh-ssuh-yoh
joyeosseoyo
조였습니다
choh-yuh-sseum-nee-dah
joyeosseumnida
Future
조일 거야
choh-eel guh-yah
joil geoya
조일 거예요
choh-eel guh-yae-yoh
joil geoyeyo
조일 겁니다
choh-eel guhm-nee-dah
joil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
조이세요
choh-ee-sae-yoh
joiseyo
Suggestion / Let's Polite (요)
조여요
choh-yuh-yoh
joyeoyo
Question Polite (요)
조여요?
choh-yuh-yoh-?
joyeoyo?
Connective "and" — (고)
조이고
choh-ee-goh
joigo
Conditional "if" — (면)
조이면
choh-ee-myuhn
joimyeon
Progressive (고 있어요)
조이고 있어요
choh-ee-goh ee-ssuh-yoh
joigo isseoyo
Want to (고 싶어요)
조이고 싶어요
choh-ee-goh shee-puh-yoh
joigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
조일 수 있어요
choh-eel soo ee-ssuh-yoh
joil su isseoyo
Because / So (아/어서)
조여서
choh-yuh-suh
joyeoseo
Noun form — (기)
조이기
choh-ee-gee
joigi
Noun form — (음)
조임
choh-eem
joim