Amy mailed the letter.
The letter was mailed by Amy.
The car was repaired by Sam.
Sam repaired the car.
The passive voice is used if you don't know who preformed the action described in the sentence.
Correct.
She should have told you.
You should have be told.
You should have been told.
The Head called his parents to the office.
Active to passive:
His parents were called to the office by the Head.
A jellyfish stung her while she was swimming.
She was stung by a jellyfish while she was swimming.
Right now, the letter is being written by Sarah.
Right now, Sarah is writing the letter.
The formula for the passive voice is: Subject + verb in infinitive + past participle.
Incorrect. The formula is: Subject + verb to be + past participle.
The storm destroyed the house.
The house was destroyed with the storm.
The house was destroyed by the storm.
How do you write that word?
Active to passive:
How is that word written?
I knew Adam would finish the work by 6:00 PM.
I knew the work would be finished by 6:00 PM.
We have been invited to a dinner.
Our neighbours have invited us to dinner.
In the active voice the subject performs the action.
Correct.
They were interviewing her for the job.
She was being interviewing for the job.
She was being interviewed for the job.
The window pane has been broken by the dog.
Passive to active:
The dog has broken the window pane.
The Browns have built the large house.
The large house has been built by the Browns.
He was told not to talk in class by the professor.
The professor told him not to talk in class.
In the passive voice, 'with' is used to refer to the instrument, object or agent.
Incorrect. It is used to refer to the instrument, object or material.
Ben will direct the show.
The show will being directed by Ben.
The show will be directed by Ben.
Can you learn French easily?
Active to passive:
Can French be learned easily?
You shouldn't speak to your neighbour.
Your neighbour shouldn't be spoken to.
The customer was being helped by the salesman when the thief came into the store.
The salesman was helping the customer when the thief came into the store.
The passive voice is used when we want a more informal style.
Incorrect. It is used when we want a more formal style.
Jane is singing the new song.
The new song is being singed by Jane.
The new song is being sung by Jane.
Do not leave your bicycle in the hall.
Active to passive:
Bicycles must not be left in the hall.