info>this includes Accusative, Dative and Locative/Prepositional if a preposition is used, the Objective Case Ending is OPTIONAL. the Objective Case ending may be used for two words next to each other objective -u (singular) -um (plural) We are going to Zagreb = Mi idit/idime do Zagrebu = Mi idit/idime do Zagreb I gave the book to Andrej = Ja podal knigu Andreju = Ja podal kniga Andreju = Ja podal Andreju knigu = Ja podal kniga do Andrej GENITIVE CASE: (Optional) -a (singular) -ov (plural) INSTRUMENTAL CASE: (Optional) -om, -am (singular ) -ami (plural)