Resumen Ingles Passive

Resumen ingles de passive
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 activevoice, 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, notethe 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 theactive sentence becomes the object of the passive sentence (or is dropped)

Examples
Tense Subject Verb Object
Simple Present Active: Rita writes aletter. Past continuous active: Rita is writing a letter
Passive: A letter is written by Rita. . Passive: a letter is being written by ritaSimple Past Active: Rita wrote a letter. Past continuous Active: Rita was writing a letter.
Passive: A letter waswritten by Rita. Passive: a letter was being written by rita
Present Perfect Active: Rita has written a letter.
Passive: A letter has been written byRita.
Future I Active: Rita will write a letter.
Passive: A letter will be written by Rita.
Past Perfect Active: Rita had written a letter.
Passive: A letter had been written by Rita.