Write in the active voice . The active voice eliminates confusion by forcing you to name the actor in a sentence. This construction makes clear to the reader who is to perform the duty. The passive voice makes sentences longer and roundabout. Who is responsible is much less obvious.
Passive verbs have a form of the verb to be plus the past participle of a main verb.
The passive voice reverses the natural, active order of English sentences. In the following passive example the receiver of the action comes before the actor. Active sentences must have actors, but passive ones are complete without them. The material will be delivered. The start date is to be decided.