The document discusses the passive voice and how it is formed in different tenses. To form the passive voice, the verb "to be" is used in the appropriate tense (e.g. present simple "am/is/are") followed by the main verb in its past participle form. Examples are provided of active sentences being changed to their passive equivalents by applying this formula across tenses.

1. Passive Voice
Different tenses

2. This is how to form the passive voice
To be + main verb in past participle
past participle = -ed (regular verbs) / 3rd column
(irregular verbs)
Examples:
The bank was robbed at 10 a.m.
The new film will be directed by Spielberg.

3. Take a look at these sentences. Check the different
tenses.
• They take the photos in Africa. • present simple
• They are taking the photos in Africa. • present continuous
• They have taken the photos in Africa. • present perfect
• They have been taking the photos in Africa. • present perfect continuous
• They took the photos in Africa. • past simple
• They were taking the photos in Africa. • past continuous
• They had taken the photos in Africa. • past perfect
• They had been taking the photos in Africa. • past perfect continuous
• They will take the photos in Africa. • future

4. Now let’s see the forms of the verb “to be” in all these
tenses
• am/ is / are • present simple
• are / is / are being • present continuous
• have been • present perfect
• have been being • present perfect continuous
• was / were • past simple
• was / were being • past continuous
• had been • past perfect
• had been being • past perfect continuous
• will be • future

5. To form the passive voice in the different tenses you need the
verb “to be” in the different tenses + the main verb in the past
participle form (–ed/ 3rd column)
• am/ is / are taken • present simple
• are / is / are being taken • present continuous
• have been taken • present perfect
• have been being taken • present perfect continuous
• was / were taken • past simple
• was / were being taken • past continuous
• had been taken • past perfect
• had been being taken • past perfect continuous
• will be taken • future

6. Now let’s turn all these active sentences into passive
sentences.
• They take the photos in Africa.
• They are taking the photos in Africa.
• They have taken the photos in Africa.
• They have been taking the photos in Africa.
• They took the photos in Africa.
• They were taking the photos in Africa.
• They had taken the photos in Africa.
• They had been taking the photos in Africa.
• They will take the photos in Africa.

7. This is the result. We have the verb “to be” in the different
tenses + the past participle of the main verb “take”
• The photos are taken in Africa. • present simple
• The photos are being taken in Africa. • present continuous
• The photos have been taken in Africa. • present perfect
• The photos have been being taken in Africa. • present perfect continuous
• The photos were taken in Africa. • past simple
• The photos were being taken in Africa. • past continuous
• The photos had been taken in Africa. • past perfect
• The photos had been being taken in Africa. • past perfect continuous
• The photos will be taken in Africa. • future