Porcelana jest delikatna.

to be

Breakdown of Porcelana jest delikatna.

• delikatny: delicate
• porcelana: porcelain

Questions & Answers about Porcelana jest delikatna.

Why is it delikatna and not delikatny?

Because porcelana is a feminine singular noun, and the adjective has to agree with it.

In Polish, adjectives change form to match the noun’s:

• gender
• number
• sometimes case

Here:

• porcelana = feminine singular
• so the adjective must also be feminine singular: delikatna

Compare:

• delikatny = masculine singular
• delikatna = feminine singular
• delikatne = neuter singular

So Porcelana jest delikatna is correct because both words match grammatically.

How do I know that porcelana is feminine?

A very common clue in Polish is the ending of the noun.

Most singular nouns ending in -a are feminine, and porcelana follows that pattern.

So:

• porcelana → feminine
• therefore any describing adjective also takes a feminine form, like delikatna

This is only a general rule, not an absolute one, but it works here.

What does jest do in this sentence?