1. THE PASSIVE VOICE
Título

2. USES OF THE
PASSIVE VOICE

3. 
Passive voice is used when the focus is on the
action rather than on the person doing the action
beause that person is not important.
Example : Thief has been caught

4. 
When the person that doing the action not known
Example: My bike was stolen.

5. 
We don´t want to reveal his or her identity.
Example: The secret was told.

6. 
We can use of the passive voice in formal
contexts or we want to sound more polite.
Example: A mistake was made.

7. FORM OF THE
PASSIVE VERB :

Subject + form of the verb to be + Past participle

8. Tense
Active
Passive
Present Simple
The police conduct an experiment.
An experiment is conducted by the police.
Past Simple
The police conducted an experiment.
An experiment was conducted by the police.
Future Simple
The police will conduct an experiment.
An experiment will be conducted by the police.
Present Continuous
The police are conducting an experiment.
An experiment is being conducted by the police.
Past Continuous
The police were conducting an experiment.
An experiment was being conducted by the police.
Present Perfect Simple
The police have conducted an experiment.
An experiment has been conducted by the police.
Past Perfect Simple
The police had conducted an experiment.
An experiment had been conducted by the police.
Modals
The police should conduct an experiment.
An experiment should be conducted by the police.
Modal Perfects
The police could have conducted an experiment.
Have to
The police have to conduct an experiment.
An experiment could have been conducted by the
police.
An experiment has to be conducted by the police.
Be going to
The police are going to conduct an experiment.
An experiment is going to be conducted by the
police.

9. How to pass a
sentence to passive

10. This flim critic
(subject)
wrote
The article
(subject)
was written
The article
(object)
by this film critic.
(object)

11. Examples of active to
passive

12. 

Howard Carter discovered Tutankamon’s tomb
Tutankamon’s tomb was discovered by Howard Carter.


Sally has promised me a big surprise
A big surprise has been promised to me by Sally.


My secretary will ask your address and phone number.
Your address and phone number will be asked to you by my secretary.


William is going to fix the fence.
The fence is going to be fixed by William.


I have told your mother the truth.
The truth has been told to your mother by me.
active
passive