Verbseoul.
하다 verb (adj)
용맹하다yongmaenghadato be brave, to be courageous, to be gallant

To say to be brave, to be courageous, to be gallant politely in the present tense, use 용맹해요 (yohng-maeng-hae-yoh). Below is the full conjugation of 용맹하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
용맹해
yohng-maeng-hae
용맹해요
yohng-maeng-hae-yoh
용맹합니다
yohng-maeng-hahm-nee-dah
Past
용맹했어
yohng-maeng-hae-ssuh
용맹했어요
yohng-maeng-hae-ssuh-yoh
용맹했습니다
yohng-maeng-hae-sseum-nee-dah
Future
용맹할 거야
yohng-maeng-hahl- -guh-yah
용맹할 거예요
yohng-maeng-hahl- -guh-yae-yoh
용맹할 겁니다
yohng-maeng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
용맹하세요
yohng-maeng-hah-sae-yoh
Suggestion / Let's Polite (요)
용맹해요
yohng-maeng-hae-yoh
Question Polite (요)
용맹해요?
yohng-maeng-hae-yoh-?
Connective “and” — (고)
용맹하고
yohng-maeng-hah-goh
Conditional “if” — (면)
용맹하면
yohng-maeng-hah-myuhn
Noun form — (기)
용맹함
yohng-maeng-hahm