This text is right? The the time of the verbs are correct? I use the present but I'm not sure

The tempest, written by William Shakespeare tells the story of Prospero and his daughter Miranda. Prospero is the duke of Milan but one day his brother Antonio decided to usurp Ptospero's throne with the help of the king of Naples. Do Antonio board on an old boat Miranda and Prospero. After many days they land in a island where there is a witch, Sycarox who has imprisoned Ariel and other good spirits, but Prospero with his magical power, frees them and they become his servants. One day Prospero causes with is magical power a tempest that wrecks a ship near the island. Ariel helps the passengers that are: Antonio, Alonso and Ferdinando. Ariel takes Ferdinando in Prospero's cell and he meets Miranda and they fall in love each other, meanwhile Ariel takes Alonso with Prospero who thinks that his son is dead and this is the punishment for his crime. When Prospero goes to the wedding between Miranda and Ferdinando he dresses as duke of Milan and reveals his true identity to recieve his dukeship back