Verbseoul.
regular

악화시키다 conjugation (akhwasikida, to make worse, to aggravate, to exacerbate)

To say to make worse, to aggravate, to exacerbate politely in the present tense, use 악화시켜요 (ah-kwah-shee-kyuh-yoh) · akwasikyeoyo. Below is the full conjugation of 악화시키다 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
악화시켜
ah-kwah-shee-kyuh
akwasikyeo
악화시켜요
ah-kwah-shee-kyuh-yoh
akwasikyeoyo
악화시킵니다
ah-kwah-shee-keem-nee-dah
akwasikimnida
Past
악화시켰어
ah-kwah-shee-kyuh-ssuh
akwasikyeosseo
악화시켰어요
ah-kwah-shee-kyuh-ssuh-yoh
akwasikyeosseoyo
악화시켰습니다
ah-kwah-shee-kyuh-sseum-nee-dah
akwasikyeosseumnida
Future
악화시킬 거야
ah-kwah-shee-keel guh-yah
akwasikil geoya
악화시킬 거예요
ah-kwah-shee-keel guh-yae-yoh
akwasikil geoyeyo
악화시킬 겁니다
ah-kwah-shee-keel guhm-nee-dah
akwasikil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
악화시키세요
ah-kwah-shee-kee-sae-yoh
akwasikiseyo
Suggestion / Let's Polite (요)
악화시켜요
ah-kwah-shee-kyuh-yoh
akwasikyeoyo
Question Polite (요)
악화시켜요?
ah-kwah-shee-kyuh-yoh-?
akwasikyeoyo?
Connective "and" — (고)
악화시키고
ah-kwah-shee-kee-goh
akwasikigo
Conditional "if" — (면)
악화시키면
ah-kwah-shee-kee-myuhn
akwasikimyeon
Progressive (고 있어요)
악화시키고 있어요
ah-kwah-shee-kee-goh ee-ssuh-yoh
akwasikigo isseoyo
Want to (고 싶어요)
악화시키고 싶어요
ah-kwah-shee-kee-goh shee-puh-yoh
akwasikigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
악화시킬 수 있어요
ah-kwah-shee-keel soo ee-ssuh-yoh
akwasikil su isseoyo
Because / So (아/어서)
악화시켜서
ah-kwah-shee-kyuh-suh
akwasikyeoseo
Noun form — (기)
악화시키기
ah-kwah-shee-kee-gee
akwasikigi
Noun form — (음)
악화시킴
ah-kwah-shee-keem
akwasikim