Questions & Answers about Ovo je dobra prilika da naručim knjigu.
Because prilika is a feminine singular noun, so the adjective has to agree with it.
- dobar = masculine singular
- dobra = feminine singular
- dobro = neuter singular
So:
- dobra prilika = a good opportunity
This kind of adjective-noun agreement is very important in Serbian.
Prilika is in the nominative singular because it is the predicate noun after je (is).
The structure is:
- Ovo = this
- je = is
- dobra prilika = a good opportunity
So literally, the sentence is built like:
- This is a good opportunity...
After biti (to be), Serbian commonly uses the nominative in sentences like this.
Ovo means this.
It is the neuter singular form of the demonstrative pronoun. In this sentence, it does not refer to a specific neuter noun that is stated; instead, it refers more generally to this situation / this moment / this thing.