Verbseoul.
하다 verb
강화하다ganghwahadato strengthen, to intensify

To say to strengthen, to intensify politely in the present tense, use 강화해요 (gahng-hwah-hae-yoh). Below is the full conjugation of 강화하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
강화해
gahng-hwah-hae
강화해요
gahng-hwah-hae-yoh
강화합니다
gahng-hwah-hahm-nee-dah
Past
강화했어
gahng-hwah-hae-ssuh
강화했어요
gahng-hwah-hae-ssuh-yoh
강화했습니다
gahng-hwah-hae-sseum-nee-dah
Future
강화할 거야
gahng-hwah-hahl- -guh-yah
강화할 거예요
gahng-hwah-hahl- -guh-yae-yoh
강화할 겁니다
gahng-hwah-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
강화하세요
gahng-hwah-hah-sae-yoh
Suggestion / Let's Polite (요)
강화해요
gahng-hwah-hae-yoh
Question Polite (요)
강화해요?
gahng-hwah-hae-yoh-?
Connective “and” — (고)
강화하고
gahng-hwah-hah-goh
Conditional “if” — (면)
강화하면
gahng-hwah-hah-myuhn
Noun form — (기)
강화함
gahng-hwah-hahm