Passive

Someone might have stolen it.

We will provide refreshments during the interwall.

We should complete the form in black ink.

We have not tested this product on animals.

We supply this applience with a plug.

Someone has fitted this car with an alarm.

We arrange the dispalys in chronological order.

You must wear hard hats while we are carrying out construction work. (2 passives)

We will prosecute all shoplifters.

Closed curcuit cameras are monitoring this area.