Verbseoul.
하다 verb (adj)
쾌하다kwaehadadelighted

To say delighted politely in the present tense, use 쾌해요 (kwae-hae-yoh). Below is the full conjugation of 쾌하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
쾌해
kwae-hae
쾌해요
kwae-hae-yoh
쾌합니다
kwae-hahm-nee-dah
Past
쾌했어
kwae-hae-ssuh
쾌했어요
kwae-hae-ssuh-yoh
쾌했습니다
kwae-hae-sseum-nee-dah
Future
쾌할 거야
kwae-hahl- -guh-yah
쾌할 거예요
kwae-hahl- -guh-yae-yoh
쾌할 겁니다
kwae-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
쾌하세요
kwae-hah-sae-yoh
Suggestion / Let's Polite (요)
쾌해요
kwae-hae-yoh
Question Polite (요)
쾌해요?
kwae-hae-yoh-?
Connective “and” — (고)
쾌하고
kwae-hah-goh
Conditional “if” — (면)
쾌하면
kwae-hah-myuhn
Noun form — (기)
쾌함
kwae-hahm