"Which man is your future husband?"
Translation:Hvilken mand er din fremtidige mand?
Adjectives take their e-ending between a posseive/definite arcitcle and the noun. For example:
"en fremtidig mand" = a future husband
"den fremtidige mand" = the future husband
"min/din/hendes/hans/Karolines/Sørens fremtidige mand" = my/your/her/his/Karoline's/Søren's future husband
"Manden er syg" = The man is sick