Verbseoul.
하다 verb
격화하다gyeokhwahadato intensify

To say to intensify politely in the present tense, use 격화해요 (gyuh-kwah-hae-yoh). Below is the full conjugation of 격화하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
격화해
gyuh-kwah-hae
격화해요
gyuh-kwah-hae-yoh
격화합니다
gyuh-kwah-hahm-nee-dah
Past
격화했어
gyuh-kwah-hae-ssuh
격화했어요
gyuh-kwah-hae-ssuh-yoh
격화했습니다
gyuh-kwah-hae-sseum-nee-dah
Future
격화할 거야
gyuh-kwah-hahl- -guh-yah
격화할 거예요
gyuh-kwah-hahl- -guh-yae-yoh
격화할 겁니다
gyuh-kwah-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
격화하세요
gyuh-kwah-hah-sae-yoh
Suggestion / Let's Polite (요)
격화해요
gyuh-kwah-hae-yoh
Question Polite (요)
격화해요?
gyuh-kwah-hae-yoh-?
Connective “and” — (고)
격화하고
gyuh-kwah-hah-goh
Conditional “if” — (면)
격화하면
gyuh-kwah-hah-myuhn
Noun form — (기)
격화함
gyuh-kwah-hahm