bilarna

In a sentence

• Mina vänner äger alla bilarna som står på uppfarten.

  My friends own all the cars parked on the driveway.

  Here, 'bilarna' is the definite plural form of 'bil', meaning 'the cars', indicating specific cars that are referenced and understood from context.

• Bilarna på bilmässan var otroligt kraftfulla och imponerande.

  The cars at the auto show were incredibly powerful and impressive.

  In this sentence, 'bilarna' again serves as the definite plural form of 'bil' ('the cars'), referring to specific cars at the auto show.

• När jag såg bilarna köra förbi snabbt insåg jag deras hastighet.

  When I saw the cars drive by quickly, I realized their speed.

  Here, 'bilarna' retains the use of definite plural form, referring to the group of cars observed driving by.