Usage and Examples

Some examples of the use and changes from active to passive sentences are as follows .
usage Example
Active Voice Passive Voice
used when DOER of action ( action actor ) is unknown .

·         Active :  Someone knocked on your door last night .  

Passive : you door Was knocked on  last night .

·         Active : Somebody has used the computer without the permission.  

Passive : The computer has been used without permission .

used when DOER of action is not necessary to mention .

For example, because the perpetrators of these acts are clear / predictable or refer to people in general .

·         Active :  You can view the results on the web .

Passive : The final results can be Viewed on the web .

·         active : People seldom do physical exercises Regularly .

passive :  Physical exercises are seldom done Regularly .

·         active : The teacher had instructed the students to solve math problems .

passive : The students were had instructed to solve the math problem .

used to give emphasis to the object

·         active :  Sunmark Press published The Enzyme Factor at the first time in 2005 . passive : The Enzyme Factor was published at the first time in 2005 by Sunmark Press .

·         active : I have to collect more than 20,000 dollars to buy the car .

passive : More than 20,000 dollars would have to be collected ** to buy the car .

used as a variation on the words .

 For example, the perpetrator acts mentioned in the previous sentence .

·         Active : KPK Investigators knew that the Commission Neng Sri Wahyu returned to Indonesia . They Arrested the woman on June 13 .

passive : KPK Investigators knew that the Commission Neng Sri Wahyu returned to Indonesia . The woman was Arrested on June 13 .

Formulas and Examples of Passive Voice on tenses

Auxiliary to form the passive construction in the form of auxiliary tenses can be ( is , are , was , were ) , the combination of two primary auxiliary ( is / are being , was / were being , has / have been ) , or between primary auxiliary verb capital ( will be , will not have been ) . Auxialiary is then combined with a past participle to form the passive verb form . The formulas and examples of passive voice in some kind of tenses can be seen in the following table .

Tenses Formula Sample

Present Simple :  am / is / are + past participle

                 Example :  The crafts are made of wood .
Continuous        :  am / is / are + being + past participle

                 Example :  The room is being cleaned .
Perfect                 :  has / have + been + past participle

                Example  :  Your requests have been approved .
Simple Past        :  was / were + past participle

                 Example  : The mansion was built in 2013.
Continuous        :  was / were + being + past participle

                 Example : Your gown was being washed .
Perfect                 :  had + been + past participle

                 Example : The fence had been painted in green .
Simple Future  :  will + be + past participle  

                 Example : The packet will be sent immediately .
Perfect                   :  will + have + been + past participle

                 Example : The article will not have been read ninety times .

Note :

The shape of the perfect continuous passive should be avoided because of complicated and elegant .
Passive Voice on Infinitive

Passive form of Infinitive phrase ( infinitive phrase ) can serve as subject , object , or modifier in a sentence . Formulas and examples of the passive infinitive form is as follows .
( to ) be + past participle
example :

    To be accompanied with him is a bad idea. ( Subject )
    Everyone needs to be loved . ( Object )
    He is the man to be trusted for all the things. ( Modifier )

Passive Voice on Gerund

Passive form of the gerund can function as subject , object , and object of the preposition in a sentence . The following formulas and examples of passive gerund form .
being + past participle
example :

    Being accompanied with him is a bad idea. ( Subject )
    My brother enjoyed being taken to the beach . ( Object )
    My brother 's happy of being taken to the beach . ( Object of preposition )