Verbseoul.
하다 verb (adj)
익숙하다iksukhadaskilled

To say skilled politely in the present tense, use 익숙해요 (eeg-ssoo-kae-yoh). Below is the full conjugation of 익숙하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
익숙해
eeg-ssoo-kae
익숙해요
eeg-ssoo-kae-yoh
익숙합니다
eeg-ssoo-kahm-nee-dah
Past
익숙했어
eeg-ssoo-kae-ssuh
익숙했어요
eeg-ssoo-kae-ssuh-yoh
익숙했습니다
eeg-ssoo-kae-sseum-nee-dah
Future
익숙할 거야
eeg-ssoo-kahl- -guh-yah
익숙할 거예요
eeg-ssoo-kahl- -guh-yae-yoh
익숙할 겁니다
eeg-ssoo-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
익숙하세요
eeg-ssoo-kah-sae-yoh
Suggestion / Let's Polite (요)
익숙해요
eeg-ssoo-kae-yoh
Question Polite (요)
익숙해요?
eeg-ssoo-kae-yoh-?
Connective “and” — (고)
익숙하고
eeg-ssoo-kah-goh
Conditional “if” — (면)
익숙하면
eeg-ssoo-kah-myuhn
Noun form — (기)
익숙함
eeg-ssoo-kahm