The past participle

The verb forms are the present, the past and the past participle.

wear, wore, worn - nosić

The present

I like to wear shirts.
Lubię nosić koszule.

The past

I wore a shirt yesterday.
Wczoraj nosiłem koszulę.

The past participle

I have worn 5 shirts this week.
W tym tygodniu nosiłem 5 koszul.