Relier Pairs Passive voice rulesVersion en ligne Match the rules. par Tamara Lupiañez 1 In passive voice, the subject of the sentence 2 Passive sentences use a form of the verb "to be" 3 Passive voice focuses 4 The doer of the action is 5 Passive voice is often used is acted upon by the verb. often not mentioned in passive sentences on the action itself or the object of the action in formal writing or to emphasize the action or object rather than the doer. followed by a past participle.