Verbseoul.
하다 verb (adj)
신선하다sinseonhadato be fresh (in a new or novel way)

To say to be fresh (in a new or novel way) politely in the present tense, use 신선해요 (sheen-suhn-hae-yoh). Below is the full conjugation of 신선하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
신선해
sheen-suhn-hae
신선해요
sheen-suhn-hae-yoh
신선합니다
sheen-suhn-hahm-nee-dah
Past
신선했어
sheen-suhn-hae-ssuh
신선했어요
sheen-suhn-hae-ssuh-yoh
신선했습니다
sheen-suhn-hae-sseum-nee-dah
Future
신선할 거야
sheen-suhn-hahl- -guh-yah
신선할 거예요
sheen-suhn-hahl- -guh-yae-yoh
신선할 겁니다
sheen-suhn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
신선하세요
sheen-suhn-hah-sae-yoh
Suggestion / Let's Polite (요)
신선해요
sheen-suhn-hae-yoh
Question Polite (요)
신선해요?
sheen-suhn-hae-yoh-?
Connective “and” — (고)
신선하고
sheen-suhn-hah-goh
Conditional “if” — (면)
신선하면
sheen-suhn-hah-myuhn
Noun form — (기)
신선함
sheen-suhn-hahm