Verbseoul.
regular

증가시키다 conjugation (jeunggasikida, increase (make larger))

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

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
증가시켜
cheung-gah-shee-kyuh
jeunggasikyeo
증가시켜요
cheung-gah-shee-kyuh-yoh
jeunggasikyeoyo
증가시킵니다
cheung-gah-shee-keem-nee-dah
jeunggasikimnida
Past
증가시켰어
cheung-gah-shee-kyuh-ssuh
jeunggasikyeosseo
증가시켰어요
cheung-gah-shee-kyuh-ssuh-yoh
jeunggasikyeosseoyo
증가시켰습니다
cheung-gah-shee-kyuh-sseum-nee-dah
jeunggasikyeosseumnida
Future
증가시킬 거야
cheung-gah-shee-keel guh-yah
jeunggasikil geoya
증가시킬 거예요
cheung-gah-shee-keel guh-yae-yoh
jeunggasikil geoyeyo
증가시킬 겁니다
cheung-gah-shee-keel guhm-nee-dah
jeunggasikil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
증가시키세요
cheung-gah-shee-kee-sae-yoh
jeunggasikiseyo
Suggestion / Let's Polite (요)
증가시켜요
cheung-gah-shee-kyuh-yoh
jeunggasikyeoyo
Question Polite (요)
증가시켜요?
cheung-gah-shee-kyuh-yoh-?
jeunggasikyeoyo?
Connective "and" — (고)
증가시키고
cheung-gah-shee-kee-goh
jeunggasikigo
Conditional "if" — (면)
증가시키면
cheung-gah-shee-kee-myuhn
jeunggasikimyeon
Progressive (고 있어요)
증가시키고 있어요
cheung-gah-shee-kee-goh ee-ssuh-yoh
jeunggasikigo isseoyo
Want to (고 싶어요)
증가시키고 싶어요
cheung-gah-shee-kee-goh shee-puh-yoh
jeunggasikigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
증가시킬 수 있어요
cheung-gah-shee-keel soo ee-ssuh-yoh
jeunggasikil su isseoyo
Because / So (아/어서)
증가시켜서
cheung-gah-shee-kyuh-suh
jeunggasikyeoseo
Noun form — (기)
증가시키기
cheung-gah-shee-kee-gee
jeunggasikigi
Noun form — (음)
증가시킴
cheung-gah-shee-keem
jeunggasikim