Verbseoul.
하다 verb (adj)
유쾌하다yukwaehadapleasant, enjoyable, happy

To say pleasant, enjoyable, happy politely in the present tense, use 유쾌해요 (yoo-kwae-hae-yoh). Below is the full conjugation of 유쾌하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
유쾌해
yoo-kwae-hae
유쾌해요
yoo-kwae-hae-yoh
유쾌합니다
yoo-kwae-hahm-nee-dah
Past
유쾌했어
yoo-kwae-hae-ssuh
유쾌했어요
yoo-kwae-hae-ssuh-yoh
유쾌했습니다
yoo-kwae-hae-sseum-nee-dah
Future
유쾌할 거야
yoo-kwae-hahl- -guh-yah
유쾌할 거예요
yoo-kwae-hahl- -guh-yae-yoh
유쾌할 겁니다
yoo-kwae-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
유쾌하세요
yoo-kwae-hah-sae-yoh
Suggestion / Let's Polite (요)
유쾌해요
yoo-kwae-hae-yoh
Question Polite (요)
유쾌해요?
yoo-kwae-hae-yoh-?
Connective “and” — (고)
유쾌하고
yoo-kwae-hah-goh
Conditional “if” — (면)
유쾌하면
yoo-kwae-hah-myuhn
Noun form — (기)
유쾌함
yoo-kwae-hahm