Verbseoul.
하다 verb (adj)
중하다junghadato be important

To say to be important politely in the present tense, use 중해요 (choong-hae-yoh). Below is the full conjugation of 중하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
중해
choong-hae
중해요
choong-hae-yoh
중합니다
choong-hahm-nee-dah
Past
중했어
choong-hae-ssuh
중했어요
choong-hae-ssuh-yoh
중했습니다
choong-hae-sseum-nee-dah
Future
중할 거야
choong-hahl- -guh-yah
중할 거예요
choong-hahl- -guh-yae-yoh
중할 겁니다
choong-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
중하세요
choong-hah-sae-yoh
Suggestion / Let's Polite (요)
중해요
choong-hae-yoh
Question Polite (요)
중해요?
choong-hae-yoh-?
Connective “and” — (고)
중하고
choong-hah-goh
Conditional “if” — (면)
중하면
choong-hah-myuhn
Noun form — (기)
중함
choong-hahm