Verbseoul.
하다 verb
대하다daehadato pertain or relate to a topic

To say to pertain or relate to a topic politely in the present tense, use 대해요 (dae-hae-yoh). Below is the full conjugation of 대하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
대해
dae-hae
대해요
dae-hae-yoh
대합니다
dae-hahm-nee-dah
Past
대했어
dae-hae-ssuh
대했어요
dae-hae-ssuh-yoh
대했습니다
dae-hae-sseum-nee-dah
Future
대할 거야
dae-hahl- -guh-yah
대할 거예요
dae-hahl- -guh-yae-yoh
대할 겁니다
dae-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
대하세요
dae-hah-sae-yoh
Suggestion / Let's Polite (요)
대해요
dae-hae-yoh
Question Polite (요)
대해요?
dae-hae-yoh-?
Connective “and” — (고)
대하고
dae-hah-goh
Conditional “if” — (면)
대하면
dae-hah-myuhn
Noun form — (기)
대함
dae-hahm