PASSIVE VOICE

1. Simple Past

1.1. was/were + pp

2. Past Continuos

2.1. was/were + begin + pp

3. Past Perfect

3.1. had + been + pp

4. The Future

4.1. Will +be + pp

5. Past Future

5.1. would be + pp

6. Future Perfect

6.1. will + has been + pp

7. The object in the active sentence become the subject of the passive sentence

8. The main verb in the active sentence is turned into a past participle

9. Simple Present

9.1. am/are/is + pp

10. Present Continuos

10.1. am/are/is + being + pp

11. Present Perfect

11.1. have/has + been + pp

12. MODALS

12.1. can/could/should/might/must/may.. etc (modal + be + pp)

13. The passive always contains a form of the auxiliary verb 'to be' and a past participle form of a verb