Verbseoul.
regular
성내다seongnaedato be angry

To say to be angry politely in the present tense, use 성내요 (suhng-nae-yoh). Below is the full conjugation of 성내다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
성내
suhng-nae
성내요
suhng-nae-yoh
성냅니다
suhng-naem-nee-dah
Past
성냈어
suhng-nae-ssuh
성냈어요
suhng-nae-ssuh-yoh
성냈습니다
suhng-nae-sseum-nee-dah
Future
성낼 거야
suhng-nael- -guh-yah
성낼 거예요
suhng-nael- -guh-yae-yoh
성낼 겁니다
suhng-nael- -guhm-nee-dah

Other useful forms

Command Polite (세요)
성내세요
suhng-nae-sae-yoh
Suggestion / Let's Polite (요)
성내요
suhng-nae-yoh
Question Polite (요)
성내요?
suhng-nae-yoh-?
Connective “and” — (고)
성내고
suhng-nae-goh
Conditional “if” — (면)
성내면
suhng-nae-myuhn
Noun form — (기)
성냄
suhng-naem