Use of Passive
Passive voice is used when the focus is on the action. It is not important or not known, however, who or what is performing the action.
Example: My bike was stolen.
In the example above, the focus is on the fact that my bike was stolen. I do not know, however, who did it.Sometimes a statement in passive is more polite than active voice, as the following example shows:
Example: A mistake was made.
In this case, I focus on the fact that a mistake was made, but I do not blame anyone (e.g. You have made a mistake.).Form of Passive
Subject + finite form of to be + Past Participle (3rd column of irregular verbs)
Example: A letter was written.
When rewriting active sentences in passive voice, note the following:- the object of the active sentence becomes the subject of the passive sentence
- the finite form of the verb is changed (to be + past participle)
- the subject of the active sentence becomes the object of the passive sentence (or is dropped)
Write passive sentences in Simple Present.
the documents / print _______________________________________
the window / open
the shoes / buy
Write passive sentences in Simple Past.
the test / write
the table / set
the cat / feed
the lights / switch on
Write passive sentences in Present Perfect.
the postcard / send
the pencils / count
the door / close
the beds / make
Write passive sentences in Future
the exhibition / visit
the windows / clean
the message / read
the thief / arrest
the photo / take
All info from: http://www.ego4u.com
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