Verbseoul.
descriptive
개같다gaegatdaannoying, shitty, crappy

To say annoying, shitty, crappy politely in the present tense, use 개같아요 (gae-gah-tah-yoh). Below is the full conjugation of 개같다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
개같아
gae-gah-tah
개같아요
gae-gah-tah-yoh
개같습니다
gae-gaht-seum-nee-dah
Past
개같았어
gae-gah-tah-ssuh
개같았어요
gae-gah-tah-ssuh-yoh
개같았습니다
gae-gah-tah-sseum-nee-dah
Future
개같을 거야
gae-gah-teul- -guh-yah
개같을 거예요
gae-gah-teul- -guh-yae-yoh
개같을 겁니다
gae-gah-teul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
개같으세요
gae-gah-teu-sae-yoh
Suggestion / Let's Polite (요)
개같아요
gae-gah-tah-yoh
Question Polite (요)
개같아요?
gae-gah-tah-yoh-?
Connective “and” — (고)
개같고
gae-gaht-goh
Conditional “if” — (면)
개같으면
gae-gah-teu-myuhn
Noun form — (기)
개같음
gae-gah-teum