Verbseoul.
regular
밝히다bakhidato make bright, light up, brighten, illuminate

To say to make bright, light up, brighten, illuminate politely in the present tense, use 밝혀요 (bahl-hyuh-yoh). Below is the full conjugation of 밝히다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
밝혀
bahl-hyuh
밝혀요
bahl-hyuh-yoh
밝힙니다
bahl-heem-nee-dah
Past
밝혔어
bahl-hyuh-ssuh
밝혔어요
bahl-hyuh-ssuh-yoh
밝혔습니다
bahl-hyuh-sseum-nee-dah
Future
밝힐 거야
bahl-heel- -guh-yah
밝힐 거예요
bahl-heel- -guh-yae-yoh
밝힐 겁니다
bahl-heel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
밝히세요
bahl-hee-sae-yoh
Suggestion / Let's Polite (요)
밝혀요
bahl-hyuh-yoh
Question Polite (요)
밝혀요?
bahl-hyuh-yoh-?
Connective “and” — (고)
밝히고
bahl-hee-goh
Conditional “if” — (면)
밝히면
bahl-hee-myuhn
Noun form — (기)
밝힘
bahl-heem