Verbseoul.
하다 verb
고집하다gojiphadato insist, persist, stick to, adhere to, cling to, to act in a stubbor

To say to insist, persist, stick to, adhere to, cling to, to act in a stubbor politely in the present tense, use 고집해요 (goh-chee-pae-yoh). Below is the full conjugation of 고집하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
고집해
goh-chee-pae
고집해요
goh-chee-pae-yoh
고집합니다
goh-chee-pahm-nee-dah
Past
고집했어
goh-chee-pae-ssuh
고집했어요
goh-chee-pae-ssuh-yoh
고집했습니다
goh-chee-pae-sseum-nee-dah
Future
고집할 거야
goh-chee-pahl- -guh-yah
고집할 거예요
goh-chee-pahl- -guh-yae-yoh
고집할 겁니다
goh-chee-pahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
고집하세요
goh-chee-pah-sae-yoh
Suggestion / Let's Polite (요)
고집해요
goh-chee-pae-yoh
Question Polite (요)
고집해요?
goh-chee-pae-yoh-?
Connective “and” — (고)
고집하고
goh-chee-pah-goh
Conditional “if” — (면)
고집하면
goh-chee-pah-myuhn
Noun form — (기)
고집함
goh-chee-pahm