He opens the door
The door is opened by him.
We have sent the postcards
The postcards have been sent
She would carry the box.
The box would be carried by her.
Recycling can solve the problem.
The problem can be solved by recycling
We set the table.
The table is set by us
We haven't paid the rent
The rent has not been paid
He must fill in the form
The form must be filled in by him.
Sheila is drinking a cup of tea.
A cup of tea is being drunk by Sheila.
She pays a lot of money
A lot of money is paid by her
The kids have spent the money.
The money has been spent
Will the teacher test our English?
Will our English be tested by the teacher?
I have made my decision
The decision has been made
They wear blue shoes
Blue shoes are worn by them
The government hasn't informed the people.
The people have not been informed
Could Jenny lock the door?
Could the door be locked by Jenny?
We would not recognize our own problems.
Does the police officer catch the thief?
Is the thief caught by the police officer?
The villagers have planted the trees.
The trees have been planted
They need not buy bread
Bread need not be bought by them
Exercising everyday can help your metabolism
Your metabolism can be helped by exercising everyday