Verbseoul.
하다 verb (adj)
유명하다yumyeonghadato be famous

To say to be famous politely in the present tense, use 유명해요 (yoo-myuhng-hae-yoh). Below is the full conjugation of 유명하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
유명해
yoo-myuhng-hae
유명해요
yoo-myuhng-hae-yoh
유명합니다
yoo-myuhng-hahm-nee-dah
Past
유명했어
yoo-myuhng-hae-ssuh
유명했어요
yoo-myuhng-hae-ssuh-yoh
유명했습니다
yoo-myuhng-hae-sseum-nee-dah
Future
유명할 거야
yoo-myuhng-hahl- -guh-yah
유명할 거예요
yoo-myuhng-hahl- -guh-yae-yoh
유명할 겁니다
yoo-myuhng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
유명하세요
yoo-myuhng-hah-sae-yoh
Suggestion / Let's Polite (요)
유명해요
yoo-myuhng-hae-yoh
Question Polite (요)
유명해요?
yoo-myuhng-hae-yoh-?
Connective “and” — (고)
유명하고
yoo-myuhng-hah-goh
Conditional “if” — (면)
유명하면
yoo-myuhng-hah-myuhn
Noun form — (기)
유명함
yoo-myuhng-hahm