Passive Voice - Simple PastVersión en línea Practice the use of the passive voice in the following Educaplay. por Grupo Altum Teacher The passive voice is used when we want to emphasize the action and the object of a sentence rather than subject. Teacher This means that the subject is either less important than the action itself or that we don’t know who or what the subject is. Teacher For example, if we have the active sentence: Many people know Napa Valley for its excellent wines. The passive sentence would be: Napa Valley is known for its excellent wines. Teacher In any case, we need to remember that the passive voice is not a tense in English. Each tense has its own passive voice which is created by using a form of the auxiliary verb to be + past participle of the main verb.