Verbseoul.
descriptive
비싸다bissadaexpensive

To say expensive politely in the present tense, use 비싸요 (bee-ssah-yoh). Below is the full conjugation of 비싸다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
비싸
bee-ssah
비싸요
bee-ssah-yoh
비쌉니다
bee-ssahm-nee-dah
Past
비쌌어
bee-ssah-ssuh
비쌌어요
bee-ssah-ssuh-yoh
비쌌습니다
bee-ssah-sseum-nee-dah
Future
비쌀 거야
bee-ssahl- -guh-yah
비쌀 거예요
bee-ssahl- -guh-yae-yoh
비쌀 겁니다
bee-ssahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
비싸세요
bee-ssah-sae-yoh
Suggestion / Let's Polite (요)
비싸요
bee-ssah-yoh
Question Polite (요)
비싸요?
bee-ssah-yoh-?
Connective “and” — (고)
비싸고
bee-ssah-goh
Conditional “if” — (면)
비싸면
bee-ssah-myuhn
Noun form — (기)
비쌈
bee-ssahm