Verbseoul.
하다 verb (adj)
강렬하다gangryeolhadastrong, intense, powerful, intensive

To say strong, intense, powerful, intensive politely in the present tense, use 강렬해요 (gahng-nyuhl-hae-yoh). Below is the full conjugation of 강렬하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
강렬해
gahng-nyuhl-hae
강렬해요
gahng-nyuhl-hae-yoh
강렬합니다
gahng-nyuhl-hahm-nee-dah
Past
강렬했어
gahng-nyuhl-hae-ssuh
강렬했어요
gahng-nyuhl-hae-ssuh-yoh
강렬했습니다
gahng-nyuhl-hae-sseum-nee-dah
Future
강렬할 거야
gahng-nyuhl-hahl- -guh-yah
강렬할 거예요
gahng-nyuhl-hahl- -guh-yae-yoh
강렬할 겁니다
gahng-nyuhl-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
강렬하세요
gahng-nyuhl-hah-sae-yoh
Suggestion / Let's Polite (요)
강렬해요
gahng-nyuhl-hae-yoh
Question Polite (요)
강렬해요?
gahng-nyuhl-hae-yoh-?
Connective “and” — (고)
강렬하고
gahng-nyuhl-hah-goh
Conditional “if” — (면)
강렬하면
gahng-nyuhl-hah-myuhn
Noun form — (기)
강렬함
gahng-nyuhl-hahm