You cannot, because the main verb "is" does not have a passive form. Only the predicate may be expressed in the passive: ...time for the class to be started.
The present perfect continuous tense does have a passive form. For example, "The project has been being worked on for weeks." This passive form emphasizes the continuity of an action that started in the past and is still ongoing, often with implied or explicit consequences in the present.
The passive form of "destroy" is "be destroyed."
The passive form of produce is "produced."
The passive form of "Do it." is "Let it be done (by you)."
"Your name is not known by me." is passive voice.
The passive form of "pull" is "be pulled."
The passive form of "sit down" is "be sat down."
passive rebellion is a form of resistance that is hidden
Yes, "is" is a form of the verb "to be," which can be used in passive constructions.
Verbs do not have passive forms, verbs combine with beverbs to form passive verb phrases. Passive verb phrases are formed with - be + past participle.For ring (rang is the past form of ring) the past participle is rung so a passive verb phrase could be - is rung, are rung, was rung, were rung, was being rung.
"Wait" is not a transitive verb, so it does not have a passive form.