kastat

In a sentence

• Jag har kastat bollen.

  I have thrown the ball.

  Here, 'kastat' is used in its perfect form as past participle and indicates that an action has been completed with respect to the ball being thrown.

• Han säger att han har kastat brevet.

  He says that he has thrown the letter away.

  In this usage, 'kastat' also serves as a past participle, with the nuance of the action referring to discarding or disposing of the letter.

• Katten har kastat upp efter att ha ätit för mycket.

  The cat has vomited after eating too much.

  'Kastat' here, although it literally means 'thrown', is used idiomatically in the phrase 'kastat upp', which means 'vomited' in Swedish.