Verbseoul.
하다 verb
예언하다yeeonhadato predict, to foretell, to presage

To say to predict, to foretell, to presage politely in the present tense, use 예언해요 (yae-uhn-hae-yoh). Below is the full conjugation of 예언하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
예언해
yae-uhn-hae
예언해요
yae-uhn-hae-yoh
예언합니다
yae-uhn-hahm-nee-dah
Past
예언했어
yae-uhn-hae-ssuh
예언했어요
yae-uhn-hae-ssuh-yoh
예언했습니다
yae-uhn-hae-sseum-nee-dah
Future
예언할 거야
yae-uhn-hahl- -guh-yah
예언할 거예요
yae-uhn-hahl- -guh-yae-yoh
예언할 겁니다
yae-uhn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
예언하세요
yae-uhn-hah-sae-yoh
Suggestion / Let's Polite (요)
예언해요
yae-uhn-hae-yoh
Question Polite (요)
예언해요?
yae-uhn-hae-yoh-?
Connective “and” — (고)
예언하고
yae-uhn-hah-goh
Conditional “if” — (면)
예언하면
yae-uhn-hah-myuhn
Noun form — (기)
예언함
yae-uhn-hahm