Verbseoul.
으 irregular (adj)
굼뜨다gumtteudato be sluggish

To say to be sluggish politely in the present tense, use 굼떠요 (goom-ttuh-yoh). Below is the full conjugation of 굼뜨다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
굼떠
goom-ttuh
굼떠요
goom-ttuh-yoh
굼뜹니다
goom-tteum-nee-dah
Past
굼떴어
goom-ttuh-ssuh
굼떴어요
goom-ttuh-ssuh-yoh
굼떴습니다
goom-ttuh-sseum-nee-dah
Future
굼뜰 거야
goom-tteul- -guh-yah
굼뜰 거예요
goom-tteul- -guh-yae-yoh
굼뜰 겁니다
goom-tteul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
굼뜨세요
goom-tteu-sae-yoh
Suggestion / Let's Polite (요)
굼떠요
goom-ttuh-yoh
Question Polite (요)
굼떠요?
goom-ttuh-yoh-?
Connective “and” — (고)
굼뜨고
goom-tteu-goh
Conditional “if” — (면)
굼뜨면
goom-tteu-myuhn
Noun form — (기)
굼뜸
goom-tteum