• Passive Voice with Present Perfect.

Active –>    Subject   +   (have, has + PP))         + object

Passive –>   Object     +  (have, has  + been)      + Past Participle (P.P)

Active –> They have sent the book to the office.

Passive –> The book has been sent to the office.

Active –> She has bought the cats from the neighbors. 

Passive –> The cats have been bought from the neighbors. 

Active –> We have already discussed the weather. 

Passive –> The weather has already been discussed. 

• Passive Voice with Past Perfect.

Active –>      Subject   +   (had + PP))          + object

Passive –>    Object     +  (had  + been)       + Past Participle (P.P)

Active –> They had robbed the Central Bank before the police arrived.

Passive –> The Central Bank had been robbed before the police arrive 

Active –> I had disconnected the electricity before the technician  came.

Passive –> The electricity had been disconnected before the technician came. 

Rewrite the sentences

1. The girls have lost the match.
   The match _____________________________________
2. They had built this house before we lived there.
   This house______________________________________
3. Suzan has already cancelled the meetings with the employees.       The meetings_______________________________
4. They have arrested the thieves.

   The thieves _________________________________