Questions & Answers about Vatra je opasna.
Because opasna has to agree with vatra in gender, number, and case.
- vatra = a feminine singular noun
- so the adjective must also be feminine singular
- the adjective opasan changes like this in the singular:
- opasan = masculine
- opasna = feminine
- opasno = neuter
So Vatra je opasna is correct because vatra is feminine.
Je is the 3rd person singular present tense of the verb biti = to be.
So:
- vatra = fire
- je = is
- opasna = dangerous
It works just like is in English.