He doesn't open the book.
He opens the door
We play volleyball.
Mr Jones watches films.
You do not write the letter.
I take photos.
She does the housework
The policemen help the children.
Volleyball is played by us.
Films are watched by Mr. Jones
The letter is not written by you.
The housework is done by her.
Photos are taken by me.
The door is opened by him.
The book is not opened by him.
The children are helped by the policemen.