We had lost the key.
The key had been lost by us.
Are they talking about the meeting?
Is the meeting being talked about by them?
I had worn blue shoes.
Blue shoes had been worn by me.
Is she preparing the party?
Is the party being prepared by her?
They have not caught the thieves.
The thieves have not been caught by them.
They have not read the book.
The book has not been read by them.
I am writing a poem.
A poem is being written by me.
Joe had cleaned the tables.
The tables had been cleaned by Joe.
I have eaten a hamburger.
A hamburger has been eaten by me.
Had she solved the problem?
Had the problem been solved by her?
I had not closed the window.
The window had not been closed by me.
Has she phoned him?
Has he been phoned by her?
Farmer Joe is milking the cows.
The cows are being milked by farmer Joe.
Kerrie has paid the bill.
The bill has been paid by Kerrie.
Sheila is drinking a cup of tea.
A cup of tea is being drunk by Sheila.
I have opened the present.
The present has been opened by me.
Had he recorded that song?
Had that song been recorded by him?
They had started a fight.
A fight had been started by them.
She is taking a picture of him.
A picture of him is being taken by her.
My father is washing the car.
The car is being washed by my father.