Active voice and passive voice Form of the passive By + agent With modal verbs
The Dursleys brought up Harry Potter. Harry Potter was brought up by the Dursleys. the same meaning
Active Professor McGonagall gave Harry a broom. Passive Harry was given a broom by Professor McGonagall. object of active subject of passive subject of active object of by
Magic is taught in Hogwarts. Magic was taught in Hogwarts. Magic will be taught in Hogwarts.
Present Simple The Sorting Hat divides students into four Houses: Gryffindor, Slytherin, Hufflepuff, Ravenclaw. Students are divided into four Houses by the Sorting Hat. Past Simple Professor Snape often punished Harry. Harry was often punished by Professor Snape Present Perfect Harry has broken his magic wand. Harry’s magic wand was broken. Future Simple Harry will be given a magic degree in Hogwarts. A magic degree will be given to Harry in Hogwarts.
Let’s practice Harry uses his wand to create magic. The wand_________________ to create magic. is used
Wizards built Hogwarts in Scotland. Hogwarts _______________in Scotland. was built
Hagrid will explain the rules to the students. The rules __________________ to the students. will be explained
The agent is introduced with “by”: Hermione rescued Harry. Harry was rescued by Hermione. Lord Voldemord stole the philosopher's stone. The philosopher's stone was stolen by Lord Voldemord.
By + agent can be omitted if the agent is unimportant, unknown or obvious: Hermione told Harry about the philosopher's stone. Harry was told about the philosopher's stone. Someone caught Harry’s owl. Harry’s owl was caught.
Hermione can make a potion. A potion can be made by Hermione. Active Passive
Active Ron follows Harry everywhere. Passive Harry is followed by Ron everywhere.
Parents visit their children in Hogwarts. Active Passive The children are visited by their parents in Hogwarts.
Hogwarts can be seen only by wizards. Children may be visited by their parents. Discipline must be kept within its wall.
Let’s practice Harry can send an owl to his friends. Active Passive An owl can be sent to Harry’s friends. ____________________________________________________
Active You must guard the philosopher's stone well. Passive The philosopher's stone must be guarded well. _______________________________________________________________
Active Passive You must do it. It must be done. ______________________