Verbseoul.
regular
겁나다geopnadato be seized with fear

To say to be seized with fear politely in the present tense, use 겁나요 (guhm-nah-yoh). Below is the full conjugation of 겁나다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
겁나
guhm-nah
겁나요
guhm-nah-yoh
겁납니다
guhm-nahm-nee-dah
Past
겁났어
guhm-nah-ssuh
겁났어요
guhm-nah-ssuh-yoh
겁났습니다
guhm-nah-sseum-nee-dah
Future
겁날 거야
guhm-nahl- -guh-yah
겁날 거예요
guhm-nahl- -guh-yae-yoh
겁날 겁니다
guhm-nahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
겁나세요
guhm-nah-sae-yoh
Suggestion / Let's Polite (요)
겁나요
guhm-nah-yoh
Question Polite (요)
겁나요?
guhm-nah-yoh-?
Connective “and” — (고)
겁나고
guhm-nah-goh
Conditional “if” — (면)
겁나면
guhm-nah-myuhn
Noun form — (기)
겁남
guhm-nahm