Verbseoul.
하다 verb
공갈하다gonggalhadato threaten

To say to threaten politely in the present tense, use 공갈해요 (gohng-gahl-hae-yoh). Below is the full conjugation of 공갈하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
공갈해
gohng-gahl-hae
공갈해요
gohng-gahl-hae-yoh
공갈합니다
gohng-gahl-hahm-nee-dah
Past
공갈했어
gohng-gahl-hae-ssuh
공갈했어요
gohng-gahl-hae-ssuh-yoh
공갈했습니다
gohng-gahl-hae-sseum-nee-dah
Future
공갈할 거야
gohng-gahl-hahl- -guh-yah
공갈할 거예요
gohng-gahl-hahl- -guh-yae-yoh
공갈할 겁니다
gohng-gahl-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
공갈하세요
gohng-gahl-hah-sae-yoh
Suggestion / Let's Polite (요)
공갈해요
gohng-gahl-hae-yoh
Question Polite (요)
공갈해요?
gohng-gahl-hae-yoh-?
Connective “and” — (고)
공갈하고
gohng-gahl-hah-goh
Conditional “if” — (면)
공갈하면
gohng-gahl-hah-myuhn
Noun form — (기)
공갈함
gohng-gahl-hahm