7. Rewrite the sentence in the passive voice.

Writers should normally avoid the yawn-inducing passive voice, but in this instance it serves a purpose.

A good psychiatrist listens to his patients.×
Listening to patients is an important part of being a psychiatrist.√

This can be taken a step further by removing any reference to people:

Every candidate must file his nomination papers by September 11.×
September 11 is the deadline for filing nomination papers.√