Questions & Answers about Ovaj vrč je glinen.
Because ovaj has to agree with vrč.
Here, vrč is:
- masculine
- singular
- nominative
So the matching form of this is ovaj.
Compare:
- ovaj vrč = this jug/pitcher
- ova zdjela = this bowl
- ovo selo = this village
Croatian demonstratives change form depending on gender, number, and case.
It is nominative singular.
That is because vrč is the subject of the sentence: it is the thing being described as glinen.
A simple way to see the structure is:
- Ovaj vrč = the subject
- je = is
- glinen = made of clay / clay
So vrč stays in the nominative.