Verbseoul.
하다 verb
척하다cheokhadato pretend

To say to pretend politely in the present tense, use 척해요 (chuh-kae-yoh). Below is the full conjugation of 척하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
척해
chuh-kae
척해요
chuh-kae-yoh
척합니다
chuh-kahm-nee-dah
Past
척했어
chuh-kae-ssuh
척했어요
chuh-kae-ssuh-yoh
척했습니다
chuh-kae-sseum-nee-dah
Future
척할 거야
chuh-kahl- -guh-yah
척할 거예요
chuh-kahl- -guh-yae-yoh
척할 겁니다
chuh-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
척하세요
chuh-kah-sae-yoh
Suggestion / Let's Polite (요)
척해요
chuh-kae-yoh
Question Polite (요)
척해요?
chuh-kae-yoh-?
Connective “and” — (고)
척하고
chuh-kah-goh
Conditional “if” — (면)
척하면
chuh-kah-myuhn
Noun form — (기)
척함
chuh-kahm