Verbseoul.
하다 verb
증진하다jeungjinhadato promote

To say to promote politely in the present tense, use 증진해요 (cheung-cheen-hae-yoh). Below is the full conjugation of 증진하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
증진해
cheung-cheen-hae
증진해요
cheung-cheen-hae-yoh
증진합니다
cheung-cheen-hahm-nee-dah
Past
증진했어
cheung-cheen-hae-ssuh
증진했어요
cheung-cheen-hae-ssuh-yoh
증진했습니다
cheung-cheen-hae-sseum-nee-dah
Future
증진할 거야
cheung-cheen-hahl- -guh-yah
증진할 거예요
cheung-cheen-hahl- -guh-yae-yoh
증진할 겁니다
cheung-cheen-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
증진하세요
cheung-cheen-hah-sae-yoh
Suggestion / Let's Polite (요)
증진해요
cheung-cheen-hae-yoh
Question Polite (요)
증진해요?
cheung-cheen-hae-yoh-?
Connective “and” — (고)
증진하고
cheung-cheen-hah-goh
Conditional “if” — (면)
증진하면
cheung-cheen-hah-myuhn
Noun form — (기)
증진함
cheung-cheen-hahm