They are going to buy a lot of things on Black Friday.
A lot of things are going to be bought on Black Friday.
Someone has stolen all of the jewels.
All of the jewels have been stolen.
They were opening the presents when I came in.
The presents were being opened when I came in.
How did you make this delicious meal?
How was this delicious meal made?
Will he finish all of the work by tomorrow?
Will all of the work be finished by tomorrow?
The organizers will offer drinks during the break.
Drinks will be offered during the break (by the organizers).
They were repairing the roof when the fire started.
The roof was being repaired when the fire started.
Has someone stolen your wallet?
Has your wallet been stolen?
She cuts the grass once a week.
The grass is cut once a week.
They might invite us to the party.
We might be invited to the party.
How did you prepare this dish?
How was this dish prepared?
She hadn´t watered the plant for weeks.
The plant hadn´t been watered for weeks.
Can you trust politicians?
Can politicians be trusted?
You can hear the music in the entire stadium.
The music can be heard in the entire stadium.
A famous architect designed this building.
This building was designed by a famous architect.
People speak English all over the world.
English is spoken all over the world.
They are serving breakfast in the dining room.
Breakfast is being served in the dining room.
Do they make cars in Michigan?
Are cars made in Michigan?
Cervantes had written many books.
Many books had been written by Cervantes.
Scientist haven´t tested the new product on humans.
The new product hasn´t been tested on humans.
They are monitoring the whole area with TV cameras.
The whole area is being monitored with TV cameras.
Is a famous designer going to design her dress?
Is her dress going to be designed by a famous designer?
The manager will report all shoplifters to the police.
All shoplifters will be reported to the police (by the manager).
The lawyer is preparing some important documents for the trial.
Some important documents are being prepared for the trial.