sprovoditi

1. to carry out; to implement
   Vlada sprovodi nove reforme u školstvu. — The government is carrying out new reforms in education.
   Policija sprovodi istragu već mesec dana. — The police have been conducting an investigation for a month.
2. (of heat, electricity) to conduct
   Bakar dobro sprovodi struju. — Copper conducts electricity well.
3. (of a person) to escort
   Policajci sprovode uhapšenog do suda. — Police officers are escorting the arrested man to court.

For spending time use "provoditi vreme", not "sprovoditi".