Verbseoul.
하다 verb (adj)
상쾌하다sangkwaehadato be refreshing

To say to be refreshing politely in the present tense, use 상쾌해요 (sahng-kwae-hae-yoh). Below is the full conjugation of 상쾌하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
상쾌해
sahng-kwae-hae
상쾌해요
sahng-kwae-hae-yoh
상쾌합니다
sahng-kwae-hahm-nee-dah
Past
상쾌했어
sahng-kwae-hae-ssuh
상쾌했어요
sahng-kwae-hae-ssuh-yoh
상쾌했습니다
sahng-kwae-hae-sseum-nee-dah
Future
상쾌할 거야
sahng-kwae-hahl- -guh-yah
상쾌할 거예요
sahng-kwae-hahl- -guh-yae-yoh
상쾌할 겁니다
sahng-kwae-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
상쾌하세요
sahng-kwae-hah-sae-yoh
Suggestion / Let's Polite (요)
상쾌해요
sahng-kwae-hae-yoh
Question Polite (요)
상쾌해요?
sahng-kwae-hae-yoh-?
Connective “and” — (고)
상쾌하고
sahng-kwae-hah-goh
Conditional “if” — (면)
상쾌하면
sahng-kwae-hah-myuhn
Noun form — (기)
상쾌함
sahng-kwae-hahm