öppet

In a sentence

• Butiken är öppen varje dag.

  The store is open every day.

  Here, 'öppen' is used as an adjective to describe the status of the store being open for business.

• Han talade mycket öppet om sina problem.

  He spoke very openly about his problems.

  In this sentence, 'öppet' functions as an adverb to describe how he expressed himself in an open manner.

• Dörren står öppet.

  The door is open.

  Here, 'öppet' describes the physical state of the door, acting as a predicate adjective.