Verbseoul.
하다 verb
가공하다gagonghadato process or treat

To say to process or treat politely in the present tense, use 가공해요 (gah-gohng-hae-yoh). Below is the full conjugation of 가공하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
가공해
gah-gohng-hae
가공해요
gah-gohng-hae-yoh
가공합니다
gah-gohng-hahm-nee-dah
Past
가공했어
gah-gohng-hae-ssuh
가공했어요
gah-gohng-hae-ssuh-yoh
가공했습니다
gah-gohng-hae-sseum-nee-dah
Future
가공할 거야
gah-gohng-hahl- -guh-yah
가공할 거예요
gah-gohng-hahl- -guh-yae-yoh
가공할 겁니다
gah-gohng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
가공하세요
gah-gohng-hah-sae-yoh
Suggestion / Let's Polite (요)
가공해요
gah-gohng-hae-yoh
Question Polite (요)
가공해요?
gah-gohng-hae-yoh-?
Connective “and” — (고)
가공하고
gah-gohng-hah-goh
Conditional “if” — (면)
가공하면
gah-gohng-hah-myuhn
Noun form — (기)
가공함
gah-gohng-hahm