spend (...) on e (aici) verb prepozitional (capata sensuri diferite in functie de prepozitia care il insoteste) si fiecare alaturare (de prepozitie) noua aduce cu sine alt sens
to spend original = a petrece (timp,in general)
spend money e urmat intotdeauna de ON
spend time with e deja firesc,prepozitia isi are traducerea ei obisnuita
i spent last summer vacation with my cousins