Ten notatnik przydaje mi się w pracy.

This notebook is useful to me at work.

Breakdown of Ten notatnik przydaje mi się w pracy.

• mi: me
• ten: this
• praca: the work
• w: at

Questions & Answers about Ten notatnik przydaje mi się w pracy.

Why is it ten notatnik and not to notatnik?

Because notatnik is a masculine singular noun in the nominative case here.

The demonstrative ten must agree with the noun in gender, number, and case:

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

So:

• ten notatnik = this notebook
• ta książka = this book
• to okno = this window

Since notatnik is masculine, ten is the correct form.

What case is notatnik in here?

It is in the nominative singular.

In this sentence, notatnik is the thing being talked about as the grammatical subject:

• Ten notatnik przydaje mi się w pracy.

The verb przydaje się is in 3rd person singular, matching notatnik.

So the basic structure is:

• Ten notatnik = subject
• przydaje się = is useful / comes in handy
• mi = to me
• w pracy = at work / in work

What exactly does przydaje się mean?