Verbseoul.
하다 verb
통지하다tongjihadato inform

To say to inform politely in the present tense, use 통지해요 (tohng-chee-hae-yoh). Below is the full conjugation of 통지하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
통지해
tohng-chee-hae
통지해요
tohng-chee-hae-yoh
통지합니다
tohng-chee-hahm-nee-dah
Past
통지했어
tohng-chee-hae-ssuh
통지했어요
tohng-chee-hae-ssuh-yoh
통지했습니다
tohng-chee-hae-sseum-nee-dah
Future
통지할 거야
tohng-chee-hahl- -guh-yah
통지할 거예요
tohng-chee-hahl- -guh-yae-yoh
통지할 겁니다
tohng-chee-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
통지하세요
tohng-chee-hah-sae-yoh
Suggestion / Let's Polite (요)
통지해요
tohng-chee-hae-yoh
Question Polite (요)
통지해요?
tohng-chee-hae-yoh-?
Connective “and” — (고)
통지하고
tohng-chee-hah-goh
Conditional “if” — (면)
통지하면
tohng-chee-hah-myuhn
Noun form — (기)
통지함
tohng-chee-hahm