Verbseoul.
regular

고이다 conjugation (goida, to pool, to form a puddle)

To say to pool, to form a puddle politely in the present tense, use 고여요 (goh-yuh-yoh) · goyeoyo. Below is the full conjugation of 고이다 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
고여
goh-yuh
goyeo
고여요
goh-yuh-yoh
goyeoyo
고입니다
goh-eem-nee-dah
goimnida
Past
고였어
goh-yuh-ssuh
goyeosseo
고였어요
goh-yuh-ssuh-yoh
goyeosseoyo
고였습니다
goh-yuh-sseum-nee-dah
goyeosseumnida
Future
고일 거야
goh-eel guh-yah
goil geoya
고일 거예요
goh-eel guh-yae-yoh
goil geoyeyo
고일 겁니다
goh-eel guhm-nee-dah
goil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
고이세요
goh-ee-sae-yoh
goiseyo
Suggestion / Let's Polite (요)
고여요
goh-yuh-yoh
goyeoyo
Question Polite (요)
고여요?
goh-yuh-yoh-?
goyeoyo?
Connective "and" — (고)
고이고
goh-ee-goh
goigo
Conditional "if" — (면)
고이면
goh-ee-myuhn
goimyeon
Progressive (고 있어요)
고이고 있어요
goh-ee-goh ee-ssuh-yoh
goigo isseoyo
Want to (고 싶어요)
고이고 싶어요
goh-ee-goh shee-puh-yoh
goigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
고일 수 있어요
goh-eel soo ee-ssuh-yoh
goil su isseoyo
Because / So (아/어서)
고여서
goh-yuh-suh
goyeoseo
Noun form — (기)
고이기
goh-ee-gee
goigi
Noun form — (음)
고임
goh-eem
goim