Ta planeta jest duża.

This planet is big.

Breakdown of Ta planeta jest duża.

• być: to be
• duży: big
• ta: this
• planeta: the planet

Questions & Answers about Ta planeta jest duża.

Why is it ta planeta and not ten planeta?

Because planeta is a feminine noun in Polish. The demonstrative this must agree with the noun’s gender, so:

• ten = masculine
• ta = feminine
• to = neuter

Since planeta is feminine, you say ta planeta = this planet.

How do we know that planeta is feminine?

A very common clue is the ending -a. Many Polish nouns ending in -a are feminine, and planeta is one of them.

Because it is feminine, other words describing it also need feminine forms, such as:

• ta planeta
• duża planeta

This is called agreement.

Why is it duża and not duży?

Because adjectives in Polish must agree with the noun in gender, number, and case.

Since planeta is feminine singular, the adjective also has to be feminine singular:

• masculine: duży
• feminine: duża
• neuter: duże

So:

• duży dom = a big house
• duża planeta = a big planet
• duże okno = a big window

What exactly does jest mean here?