quady

In a sentence

• Lubię jeździć na quadach po lasach.

  I like riding quad bikes through forests.

  The word 'quady' here is used in its instrumental plural form to indicate a type of vehicle (quad bikes) in a recreational activity.

• Widziałem kilka quadów zaparkowanych przed sklepem.

  I saw a few quad bikes parked in front of the store.

  The word 'quady' is in its genitive plural form here, used to describe a specific presence of quad bikes.

• Kupiliśmy nowe quady na nasze wyprawy w góry.

  We bought new quad bikes for our trips to the mountains.

  In this sentence, 'quady' is used in its accusative plural form to indicate the object (quad bikes) that was purchased.