Verbseoul.
하다 verb
가식하다gasikhadato be pretentious

To say to be pretentious politely in the present tense, use 가식해요 (gah-shee-kae-yoh). Below is the full conjugation of 가식하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
가식해
gah-shee-kae
가식해요
gah-shee-kae-yoh
가식합니다
gah-shee-kahm-nee-dah
Past
가식했어
gah-shee-kae-ssuh
가식했어요
gah-shee-kae-ssuh-yoh
가식했습니다
gah-shee-kae-sseum-nee-dah
Future
가식할 거야
gah-shee-kahl- -guh-yah
가식할 거예요
gah-shee-kahl- -guh-yae-yoh
가식할 겁니다
gah-shee-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
가식하세요
gah-shee-kah-sae-yoh
Suggestion / Let's Polite (요)
가식해요
gah-shee-kae-yoh
Question Polite (요)
가식해요?
gah-shee-kae-yoh-?
Connective “and” — (고)
가식하고
gah-shee-kah-goh
Conditional “if” — (면)
가식하면
gah-shee-kah-myuhn
Noun form — (기)
가식함
gah-shee-kahm