Ta soczewka jest czysta.

to be

Breakdown of Ta soczewka jest czysta.

• ta: this
• czysty: clean
• soczewka: the lens

Questions & Answers about Ta soczewka jest czysta.

Why is it ta and not ten or to?

Because soczewka is a feminine singular noun.

In Polish, demonstratives like this/that change to match the noun’s gender:

• ten for masculine singular
• ta for feminine singular
• to for neuter singular

So:

• ta soczewka = this/that lens

Since soczewka ends in -a and is feminine, ta is the correct form.

Why is it czysta and not czysty?

Because adjectives in Polish must agree with the noun they describe.

Since soczewka is:

• feminine
• singular
• nominative

the adjective must also be:

• feminine
• singular
• nominative

That gives:

• masculine: czysty
• feminine: czysta
• neuter: czyste

So Ta soczewka jest czysta is grammatically matched all the way through.

How do I know that soczewka is feminine?