Verbseoul.
하다 verb (adj)
유능하다yuneunghadato be capable

To say to be capable politely in the present tense, use 유능해요 (yoo-neung-hae-yoh). Below is the full conjugation of 유능하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
유능해
yoo-neung-hae
유능해요
yoo-neung-hae-yoh
유능합니다
yoo-neung-hahm-nee-dah
Past
유능했어
yoo-neung-hae-ssuh
유능했어요
yoo-neung-hae-ssuh-yoh
유능했습니다
yoo-neung-hae-sseum-nee-dah
Future
유능할 거야
yoo-neung-hahl- -guh-yah
유능할 거예요
yoo-neung-hahl- -guh-yae-yoh
유능할 겁니다
yoo-neung-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
유능하세요
yoo-neung-hah-sae-yoh
Suggestion / Let's Polite (요)
유능해요
yoo-neung-hae-yoh
Question Polite (요)
유능해요?
yoo-neung-hae-yoh-?
Connective “and” — (고)
유능하고
yoo-neung-hah-goh
Conditional “if” — (면)
유능하면
yoo-neung-hah-myuhn
Noun form — (기)
유능함
yoo-neung-hahm