Verbseoul.
하다 verb
질투하다jiltuhadato be jealous

To say to be jealous politely in the present tense, use 질투해요 (cheel-too-hae-yoh). Below is the full conjugation of 질투하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
질투해
cheel-too-hae
질투해요
cheel-too-hae-yoh
질투합니다
cheel-too-hahm-nee-dah
Past
질투했어
cheel-too-hae-ssuh
질투했어요
cheel-too-hae-ssuh-yoh
질투했습니다
cheel-too-hae-sseum-nee-dah
Future
질투할 거야
cheel-too-hahl- -guh-yah
질투할 거예요
cheel-too-hahl- -guh-yae-yoh
질투할 겁니다
cheel-too-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
질투하세요
cheel-too-hah-sae-yoh
Suggestion / Let's Polite (요)
질투해요
cheel-too-hae-yoh
Question Polite (요)
질투해요?
cheel-too-hae-yoh-?
Connective “and” — (고)
질투하고
cheel-too-hah-goh
Conditional “if” — (면)
질투하면
cheel-too-hah-myuhn
Noun form — (기)
질투함
cheel-too-hahm