Verbseoul.
하다 verb (adj)
떠들썩하다tteodeulsseokhadato be noisy, to be boisterous

To say to be noisy, to be boisterous politely in the present tense, use 떠들썩해요 (ttuh-deul-ssuh-kae-yoh). Below is the full conjugation of 떠들썩하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
떠들썩해
ttuh-deul-ssuh-kae
떠들썩해요
ttuh-deul-ssuh-kae-yoh
떠들썩합니다
ttuh-deul-ssuh-kahm-nee-dah
Past
떠들썩했어
ttuh-deul-ssuh-kae-ssuh
떠들썩했어요
ttuh-deul-ssuh-kae-ssuh-yoh
떠들썩했습니다
ttuh-deul-ssuh-kae-sseum-nee-dah
Future
떠들썩할 거야
ttuh-deul-ssuh-kahl- -guh-yah
떠들썩할 거예요
ttuh-deul-ssuh-kahl- -guh-yae-yoh
떠들썩할 겁니다
ttuh-deul-ssuh-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
떠들썩하세요
ttuh-deul-ssuh-kah-sae-yoh
Suggestion / Let's Polite (요)
떠들썩해요
ttuh-deul-ssuh-kae-yoh
Question Polite (요)
떠들썩해요?
ttuh-deul-ssuh-kae-yoh-?
Connective “and” — (고)
떠들썩하고
ttuh-deul-ssuh-kah-goh
Conditional “if” — (면)
떠들썩하면
ttuh-deul-ssuh-kah-myuhn
Noun form — (기)
떠들썩함
ttuh-deul-ssuh-kahm