Questions & Answers about Rozbieżność jest poważna.
In Polish, not all feminine nouns end in -a. A lot of feminine nouns end in a soft consonant, and nouns ending in -ość are very commonly feminine.
So rozbieżność is a feminine singular noun, and you can see that from agreement:
- ta rozbieżność = this discrepancy
- poważna rozbieżność = a serious discrepancy
The adjective takes the feminine form, which confirms the noun’s gender.
It is in the nominative singular.
That is because rozbieżność is the subject of the sentence:
- Rozbieżność = the thing being talked about
- jest poważna = is serious
So the structure is basically:
- [subject in nominative] + jest + [adjective agreeing with the subject]