They were opening the presents when I came in.
The presents were being opened when I came in.
Is a famous designer going to design her dress?
Is her dress going to be designed by a famous designer?
She cuts the grass once a week.
The grass is cut once a week.
People speak English all over the world.
English is spoken all over the world.
How did you make this delicious meal?
How was this delicious meal made?
Someone has stolen all of the jewels.
All of the jewels have been stolen.
They are serving breakfast in the dining room.
Breakfast is being served in the dining room.
Will he finish all of the work by tomorrow?
Will all of the work be finished by tomorrow?
