When is Passive voice used? It’s used when: THE FOCUS IS ON THE ACTION. THE PERFORMER IS NOT IMPORTANT OR UNKNOWM
Read these sentences:Active Voice: Mary writes a letter.Passive Voice: A letter is written (by Mary).http://2.bp.blogspot.com/_97Ujfb7Mbws/SkmnDdZNZEI/AAAAAAAAADw/M12OYRKIdFo/s320/cartas.gifhttp://lh4.ggpht.com/-9UUslf9pVWI/TimvnxsniRI/AAAAAAAAOVw/cAovT36Agvc/ni%2525C3%2525B1a%252520estudiando.gif.jpg
Structure: SUBJECT VERB OBJECTOBJECT BE + VERB P. PARTICIPLE BY SUBJECT
IMPORTANT: What happens to the tense of the sentence?.• It doesn`t change.When we change an active sentence into a passive sentence:The verb TO BE is in the same tense as the MAIN VERB“Mary writes letters”“Letters are written by Mary”• It agrees with the new subject
To use one of the forms of verb to be, we have to meet two conditions: beThe same tense What agrees withof the main verb the new subject ( object)
The Simple Present Active PassiveThey write / don’t write the science column. The science column is/ isn’t written by them.He writes / doesn’t write the science columns. The science columns are/ aren’t written by him. Do they write the science column? Is the science column written by them? Does he write the science columns? Are the science columns written by him?
The Present Progressive Active PassiveHe is fixing the stove. The stove is being fixed.They aren’t using the main meeting room. The main meeting room is not being used. Is the worker painting his condominium? Is his condominium being painted? Are they finalizing their biology project? Is their biology project being finalized?
The Present Perfect Active PassiveHe has broken / hasn’t broken the window. The window has/hasn’t been broken (by him).They have seen / have never seen a UFO inthis country before. A UFO has /has never been seen in this country before.Has he (ever) broken the window? Has the window (ever) been broken (by him)?Have they (ever) seen a UFO in this Has a UFO (ever) been seen in this countrycountry before? before?
The Simple Past Active Passive ‘Sense and Sensibility ‘ was written byJane Austen wrote ‘Sense and Sensibility ‘ in 1811. Jane Austen in 1811.No one knew his real name. His real name wasn’t known. Did they arrange her birthday party? Was her birthday party arranged?