Questions & Answers about Aksamit jest drogi.
Because drogi has to agree with aksamit in gender, number, and case.
- aksamit is a masculine singular noun
- the subject is in the nominative
- so the adjective also appears in the masculine singular nominative form: drogi
Compare:
- ten aksamit jest drogi — this velvet is expensive
- ta tkanina jest droga — this fabric is expensive
- to krzesło jest drogie — this chair is expensive
So the ending changes depending on the noun.
Yes. Aksamit is masculine singular.
You can see this from agreement:
- ten aksamit
- drogi aksamit
- aksamit jest drogi
Even though velvet is not naturally male or female, Polish still assigns every noun a grammatical gender.