Questions & Answers about Ova vežba je sasvim laka.
Why is it ova, not ovaj or ovo?
Because ova must agree with the noun vežba.
- vežba is feminine singular
- so the demonstrative this must also be feminine singular
the forms are:
- ovaj = this, masculine
- ova = this, feminine
- ovo = this, neuter
So:
- ovaj zadatak = this task
- ova vežba = this exercise
- ovo pitanje = this question
In your sentence, vežba is feminine, so ova is the correct form.
Why does laka end in -a?
For the same reason: it agrees with vežba, which is feminine singular.
The adjective lak means easy/light, and its basic gender forms are:
- lak = masculine
- laka = feminine
- lako = neuter
So:
- zadatak je lak = the task is easy
- vežba je laka = the exercise is easy
- pitanje je lako = the question is easy
Even though laka comes after je, it still agrees with the subject vežba.