Verbseoul.
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못생기다motsaenggidato be ugly, unattractive

To say to be ugly, unattractive politely in the present tense, use 못생겨요 (moht-saeng-gyuh-yoh). Below is the full conjugation of 못생기다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
못생겨
moht-saeng-gyuh
못생겨요
moht-saeng-gyuh-yoh
못생깁니다
moht-saeng-geem-nee-dah
Past
못생겼어
moht-saeng-gyuh-ssuh
못생겼어요
moht-saeng-gyuh-ssuh-yoh
못생겼습니다
moht-saeng-gyuh-sseum-nee-dah
Future
못생길 거야
moht-saeng-geel- -guh-yah
못생길 거예요
moht-saeng-geel- -guh-yae-yoh
못생길 겁니다
moht-saeng-geel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
못생기세요
moht-saeng-gee-sae-yoh
Suggestion / Let's Polite (요)
못생겨요
moht-saeng-gyuh-yoh
Question Polite (요)
못생겨요?
moht-saeng-gyuh-yoh-?
Connective “and” — (고)
못생기고
moht-saeng-gee-goh
Conditional “if” — (면)
못생기면
moht-saeng-gee-myuhn
Noun form — (기)
못생김
moht-saeng-geem