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Minggu, 07 Juli 2013

Passive & active Voice

ACTIVE / PASSIVE VOICE

Active voice
In most English sentences with an action verb, the subject performs the action denoted by the verb.
    These examples show that the subject is  doing the verb's action.
 
Because the subject does or "acts upon" the verb in such sentences, the sentences are said to be in the active voice.

Passive voice
One can change the normal word order of many active sentences (those with a direct object) so that the subject is no longer active, but is, instead, being acted upon by the verb - or passive.
    Note in these examples how the subject-verb relationship has changed.










 









Because the subject is being "acted upon" (or is passive), such sentences are said to be in the passive voice.


To change a sentence from active to passive voice, do the following:
    1.  Move  the active sentence's direct object into the sentence's subject  slot





 

2. Place the active sentence's subject into a  phrase beginning with the preposition by
 
3.  Add a form of the auxiliary verb be to the main verb and change the  main verb's form
 
 

Because passive voice sentences necessarily add words and change the normal doer-action-receiver of action direction, they may make the reader work harder to understand the intended meaning.




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)

Examples of Passive 

Tense                Subject             Verb                        Object            
Simple Present            Active: Ritawritesa letter.
Passive: A letteris writtenby Rita.
Simple Past         Active: Ritawrotea letter.
Passive: A letterwas writtenby Rita.
Present Perfect Active: Ritahas writtena letter.
Passive: A letterhas been writtenby Rita.
Future I Active: Ritawill writea letter.
Passive: A letterwill be writtenby Rita.
Hilfsverben Active: Ritacan writea letter.
Passive: A lettercan be writtenby Rita.














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