Verbseoul.
regular

끼다 conjugation (kkida, to insert, to fasten, to put in)

To say to insert, to fasten, to put in politely in the present tense, use 껴요 (ggyuh-yoh) · kkyeoyo. Below is the full conjugation of 끼다 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
껴
ggyuh
kkyeo
껴요
ggyuh-yoh
kkyeoyo
낍니다
ggeem-nee-dah
kkimnida
Past
꼈어
ggyuh-ssuh
kkyeosseo
꼈어요
ggyuh-ssuh-yoh
kkyeosseoyo
꼈습니다
ggyuh-sseum-nee-dah
kkyeosseumnida
Future
낄 거야
ggeel guh-yah
kkil geoya
낄 거예요
ggeel guh-yae-yoh
kkil geoyeyo
낄 겁니다
ggeel guhm-nee-dah
kkil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
끼세요
ggee-sae-yoh
kkiseyo
Suggestion / Let's Polite (요)
껴요
ggyuh-yoh
kkyeoyo
Question Polite (요)
껴요?
ggyuh-yoh-?
kkyeoyo?
Connective "and" — (고)
끼고
ggee-goh
kkigo
Conditional "if" — (면)
끼면
ggee-myuhn
kkimyeon
Progressive (고 있어요)
끼고 있어요
ggee-goh ee-ssuh-yoh
kkigo isseoyo
Want to (고 싶어요)
끼고 싶어요
ggee-goh shee-puh-yoh
kkigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
낄 수 있어요
ggeel soo ee-ssuh-yoh
kkil su isseoyo
Because / So (아/어서)
껴서
ggyuh-suh
kkyeoseo
Noun form — (기)
끼기
ggee-gee
kkigi
Noun form — (음)
낌
ggeem
kkim