Verbseoul.
regular
증가시키다jeunggasikidaincrease (make larger)

To say increase (make larger) politely in the present tense, use 증가시켜요 (cheung-gah-shee-kyuh-yoh). Below is the full conjugation of 증가시키다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
증가시켜
cheung-gah-shee-kyuh
증가시켜요
cheung-gah-shee-kyuh-yoh
증가시킵니다
cheung-gah-shee-keem-nee-dah
Past
증가시켰어
cheung-gah-shee-kyuh-ssuh
증가시켰어요
cheung-gah-shee-kyuh-ssuh-yoh
증가시켰습니다
cheung-gah-shee-kyuh-sseum-nee-dah
Future
증가시킬 거야
cheung-gah-shee-keel- -guh-yah
증가시킬 거예요
cheung-gah-shee-keel- -guh-yae-yoh
증가시킬 겁니다
cheung-gah-shee-keel- -guhm-nee-dah

Other useful forms

Command Polite (세요)
증가시키세요
cheung-gah-shee-kee-sae-yoh
Suggestion / Let's Polite (요)
증가시켜요
cheung-gah-shee-kyuh-yoh
Question Polite (요)
증가시켜요?
cheung-gah-shee-kyuh-yoh-?
Connective “and” — (고)
증가시키고
cheung-gah-shee-kee-goh
Conditional “if” — (면)
증가시키면
cheung-gah-shee-kee-myuhn
Noun form — (기)
증가시킴
cheung-gah-shee-keem