Verbseoul.
하다 verb (adj)
맹렬하다maengryeolhadafurious

To say furious politely in the present tense, use 맹렬해요 (maeng-nyuhl-hae-yoh). Below is the full conjugation of 맹렬하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
맹렬해
maeng-nyuhl-hae
맹렬해요
maeng-nyuhl-hae-yoh
맹렬합니다
maeng-nyuhl-hahm-nee-dah
Past
맹렬했어
maeng-nyuhl-hae-ssuh
맹렬했어요
maeng-nyuhl-hae-ssuh-yoh
맹렬했습니다
maeng-nyuhl-hae-sseum-nee-dah
Future
맹렬할 거야
maeng-nyuhl-hahl- -guh-yah
맹렬할 거예요
maeng-nyuhl-hahl- -guh-yae-yoh
맹렬할 겁니다
maeng-nyuhl-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
맹렬하세요
maeng-nyuhl-hah-sae-yoh
Suggestion / Let's Polite (요)
맹렬해요
maeng-nyuhl-hae-yoh
Question Polite (요)
맹렬해요?
maeng-nyuhl-hae-yoh-?
Connective “and” — (고)
맹렬하고
maeng-nyuhl-hah-goh
Conditional “if” — (면)
맹렬하면
maeng-nyuhl-hah-myuhn
Noun form — (기)
맹렬함
maeng-nyuhl-hahm