[nq:1]why do these 4 tenses won't turn to passive voice? 1. future continuous 2. present perfect continuous 3. past perfect continuous 4. future perfect continuous[/nq] You can use these tenses in the passive if you want. People don't normally use them in the passive because we use the verb "be" to form the continuous tenses and to form the passive, and to do both at the same time is an