Have they signed the contract?
Has the contract been signed?
Who directed this film?
Who was this film directed by?
The burglars had cut a hole in the wall
A hole had been cut in the wall by the burglars
She distracted me
I was distracted by her
Who wrote Harry Potter?
Who was Harry Potter written by?
Who painted the Mona Lisa?
Who was the Mona Lisa painted by?
When are they going to open the new airport?
When is the new airport going to be opened?
When will they announce the name of the winner?
When will the name of the winner be announced?
They kidnapped him when he was walking back home from school
He was kidnapped when he was walking back home from school
When did they release Avatar?
When was Avatar released?
They empty the bins every day
The bins are emptied every day
You must hand in your homework next Monday
Your homework must be handed in next Monday
They will exhibit the paintings till the end of the month
The paintings will be exhibited till the end of the month
They are serving lunch now
Lunch is being served now
When did they discover America?
When was America discovered?
Why haven't they fixed the roof?
Why hasn't the roof been fixed?
They couldn't rescue him
He couldn't be rescued
How many criminals did they send to prison last year?
How many criminals were sent to prison last year?