Verbseoul.
하다 verb (adj)
검소하다geomsohadato be frugal

To say to be frugal politely in the present tense, use 검소해요 (guhm-soh-hae-yoh). Below is the full conjugation of 검소하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
검소해
guhm-soh-hae
검소해요
guhm-soh-hae-yoh
검소합니다
guhm-soh-hahm-nee-dah
Past
검소했어
guhm-soh-hae-ssuh
검소했어요
guhm-soh-hae-ssuh-yoh
검소했습니다
guhm-soh-hae-sseum-nee-dah
Future
검소할 거야
guhm-soh-hahl- -guh-yah
검소할 거예요
guhm-soh-hahl- -guh-yae-yoh
검소할 겁니다
guhm-soh-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
검소하세요
guhm-soh-hah-sae-yoh
Suggestion / Let's Polite (요)
검소해요
guhm-soh-hae-yoh
Question Polite (요)
검소해요?
guhm-soh-hae-yoh-?
Connective “and” — (고)
검소하고
guhm-soh-hah-goh
Conditional “if” — (면)
검소하면
guhm-soh-hah-myuhn
Noun form — (기)
검소함
guhm-soh-hahm