Questions & Answers about Posle škole ću ti vratiti olovku.
Because posle means after and it requires the genitive case.
- dictionary form: škola = school
- after posle: posle škole = after school
So škole is the genitive singular form of škola.
Because olovku is the direct object of the verb vratiti (to return), so it goes in the accusative case.
- nominative: olovka = a pencil / the pencil
- accusative: olovku
So:
- olovka = subject form
- olovku = object form
In this sentence, the pencil is the thing being returned, so accusative is needed.
Ću is the 1st person singular future-tense auxiliary, meaning roughly I will.
In Serbian, the future is often made with:
- a form of hteti as a clitic auxiliary
- plus the infinitive