Identify passive voice in the following sentences and convert it to active voice. In some cases, you may need to add information to do so. You may use different words as long as you retain the basic meaning of the sentence. Remember that imperative verbs are active voice, too.

1. It has been suggested by the corporate office that all faxes are to be printed on recycled paper.

2. The office carpets will be cleaned professionally on Friday evening. It is requested that all staff members put belongings up on their desks.

3. The office microwave is to be cleaned by those who use it.

4. When the vacation schedule is finalized it is recommended that it be routed to all supervisors for final approval.

5. Material must not be left on trucks outside the warehouse.

Either the trucks must be parked inside the warehouse or the material must be unloaded at the time of receiving the truck.