martes, 18 de septiembre de 2012

voz passive  voz active 






        
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      Active and Passive Voic e

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      We focus the action of the verb in the subject (active voice) or object (passive voice).

       
      Examples:
       
      Active Voice: The Porter Carries the bags. = The porter carries bags

       
      Passive Voice: The bags are Carried by the porter. = Bags are taken by the goalkeeper

       
       
      grammar rules

       
       
      The passive voice is formed by using the verb to be + main verb participle (past participle)

       
      To change an active sentence to passive we consider the following points:

       
      The object of the active sentence becomes the subject of the passive
       
      The main verb is replaced by the auxiliary "to be" at the same time along the main verb participle.
       
      The main subject of the sentence becomes the passive agent complement
       
      If we mention in prayer the subject performing the action (subject agent), it will normally introduced by the preposition by.
       
      Table of changes in transforming verbal Active Voice to Passive Voice

       
      Taking into account the above points, in this scheme we see the changes undergone by the tense of an active sentence to be turned to passive sentence.

       
      time

      Active phrase

      passive sentence

       
      I write to present letter The letter is written
      present continuous'm writing a letter is being written The letter
      I wrote a letter past The letter was written
      past continuous I was writing a letter The letter was being written
      I've written to present perfect letter has been written The letter
      past perfect letter I had written a letter had been written The
      future I will write a letter The letter will be written
      Future II I'm going to write a letter The letter is going to be written
      modals I have to write a letter The letter has to be written
      modals i should write a letter The letter Should be written
      I must write to modals letter The letter must be written































    Taking into account the above points, in this scheme we see the changes undergone by the tense of an active sentence to be turned to passive sentence.

    time

    Active phrase

    passive sentence

    I write to present letter The letter is written
    present continuous'm writing a letter is being written The letter
    I wrote a letter past The letter was written
    past continuous I was writing a letter The letter was being written
    I've written to present perfect letter has been written The letter
    past perfect letter I had written a letter had been written The
    future I will write a letter The letter will be written
    Future II I'm going to write a letter The letter is going to be written
    modals I have to write a letter The letter has to be written
    modals i should write a letter The letter Should be written
    I must write to modals letter The letter must be written
    Related posts:

    1. Present past 
    • Voz activaJohn writes the letter
    • Voz pasivaThe letter is written by Tom

    2.2. Present continuo 
    • Voz activaJohn is writing the letter
    • Voz pasivaThe letter is being written by Tom

    2.3. Past present 
    • Voz activaJohn wrote the letter
    • Voz pasivaThe letter was written by Tom

    2.4. Past continuo 
    • Voz activaJohn was writing the letter
    • Voz pasivaThe letter was being written by Tom

    2.5. Presente perfecto
    • Voz activaJohn has written the letter
    • Voz pasivaThe letter has been written by Tom

    2.6. Past perfect
    • Voz activaJohn had written the letter
    • Voz pasivaThe letter had been written by Tom

    2.7. Future will
    • Voz activaJohn will write the letter
    • Voz pasivaThe letter will be written by Tom

    2.8. Future  (going to)
    • Voz activaJohn is going to write the letter
    • Voz pasivaThe letter is going to be written by Tom




    he passive voice in English is formed with the verb 'to be' plus the past participle.

    Ex: I was invited to her birthday party.

    The complement of the active sentence becomes the passive subject. To say who did the action in the passive voice is used 'by'

    Ex: This cake was made ​​by my mother

    Passive verb forms

    Present simple: am / are / is + past participle ... Italian is spoken here
    Present continuous: am / are / is being + past participle ... Your hair is being brushed
    Future: will be + past participle ... Exams will be corrected by next week
    Near future: am / are / is going to be + past participle ... You are going to be made ​​redundant next month
    Past simple: was / were + past participle ... We were Told to leave the party
    Past continuous: was / were being + past participle ... The room was being cleaned When we got back from lunch
    Present perfect: have / has been + past participle ... You have been discriminated
    Past perfect: had been + past participle ... I had been seen with her sister

    ejenmplos voz pasiva