Verbseoul.
하다 verb (adj)
짜하다jjahada(to be) widespread

To say (to be) widespread politely in the present tense, use 짜해요 (jjah-hae-yoh). Below is the full conjugation of 짜하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
짜해
jjah-hae
짜해요
jjah-hae-yoh
짜합니다
jjah-hahm-nee-dah
Past
짜했어
jjah-hae-ssuh
짜했어요
jjah-hae-ssuh-yoh
짜했습니다
jjah-hae-sseum-nee-dah
Future
짜할 거야
jjah-hahl- -guh-yah
짜할 거예요
jjah-hahl- -guh-yae-yoh
짜할 겁니다
jjah-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
짜하세요
jjah-hah-sae-yoh
Suggestion / Let's Polite (요)
짜해요
jjah-hae-yoh
Question Polite (요)
짜해요?
jjah-hae-yoh-?
Connective “and” — (고)
짜하고
jjah-hah-goh
Conditional “if” — (면)
짜하면
jjah-hah-myuhn
Noun form — (기)
짜함
jjah-hahm