Questions & Answers about Ova strana je prazna.
Because strana is a feminine singular noun, and the demonstrative ovaj / ova / ovo must agree with the noun in gender, number, and case.
Here the noun is:
- strana = feminine
- singular
- nominative case
So the correct form is ova.
Compare:
- ovaj sto = this table
- ova strana = this side / this page
- ovo pismo = this letter
It is in the nominative singular.
That is because strana is the subject of the sentence: Ova strana je prazna = This page/side is blank.
The nominative is the basic dictionary form of the noun, and it is typically used for the subject of a sentence.
Je is the 3rd person singular present-tense form of the verb biti = to be.
So:
- ja sam = I am
- ti si = you are
- on / ona / ono je = he / she / it is
Since ova strana is grammatically singular, Serbian uses :