Passive of grammatical tenses:simple present: am/are/is + voltooid deelwoord
simple past: was/were + voltooid deelwoord
present continuous: am/are/is being + voltooid deelwoord
past continuous: was/were being + voltooid deelwoord
present perfect: have/has been + voltooid deelwoord
past perfect: had been + voltooid deelwoord
future: will be + voltooid deelwoord