Verbseoul.
regular
꽂다kkotdato stick, to stab

To say to stick, to stab politely in the present tense, use 꽂아요 (ggoh-chah-yoh). Below is the full conjugation of 꽂다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
꽂아
ggoh-chah
꽂아요
ggoh-chah-yoh
꽂습니다
ggoht-seum-nee-dah
Past
꽂았어
ggoh-chah-ssuh
꽂았어요
ggoh-chah-ssuh-yoh
꽂았습니다
ggoh-chah-sseum-nee-dah
Future
꽂을 거야
ggoh-cheul- -guh-yah
꽂을 거예요
ggoh-cheul- -guh-yae-yoh
꽂을 겁니다
ggoh-cheul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
꽂으세요
ggoh-cheu-sae-yoh
Suggestion / Let's Polite (요)
꽂아요
ggoh-chah-yoh
Question Polite (요)
꽂아요?
ggoh-chah-yoh-?
Connective “and” — (고)
꽂고
ggoht-goh
Conditional “if” — (면)
꽂으면
ggoh-cheu-myuhn
Noun form — (기)
꽂음
ggoh-cheum