ulica

In a sentence

• Chodzę codziennie po tej ulicy.

  I walk on this street every day.

  Here, 'ulicy' is used in its locative case, indicating the location where the action takes place.

• Ta ulica jest bardzo ruchliwa.

  This street is very busy.

  In this instance, 'ulica' operates as the subject, being in its nominative form to describe the street.

• Budowa nowych ulic w mieście trwa już miesiąc.

  The construction of new streets in the city has been ongoing for a month.

  Here, 'ulic' is used in its genitive plural form to describe multiple streets being the object of the construction activity.