Verbseoul.
하다 verb (adj)
비상하다bisanghadaunusual

To say unusual politely in the present tense, use 비상해요 (bee-sahng-hae-yoh). Below is the full conjugation of 비상하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
비상해
bee-sahng-hae
비상해요
bee-sahng-hae-yoh
비상합니다
bee-sahng-hahm-nee-dah
Past
비상했어
bee-sahng-hae-ssuh
비상했어요
bee-sahng-hae-ssuh-yoh
비상했습니다
bee-sahng-hae-sseum-nee-dah
Future
비상할 거야
bee-sahng-hahl- -guh-yah
비상할 거예요
bee-sahng-hahl- -guh-yae-yoh
비상할 겁니다
bee-sahng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
비상하세요
bee-sahng-hah-sae-yoh
Suggestion / Let's Polite (요)
비상해요
bee-sahng-hae-yoh
Question Polite (요)
비상해요?
bee-sahng-hae-yoh-?
Connective “and” — (고)
비상하고
bee-sahng-hah-goh
Conditional “if” — (면)
비상하면
bee-sahng-hah-myuhn
Noun form — (기)
비상함
bee-sahng-hahm