EXERCISE 11: Change the active into the passive. 1.My father waters this flower every morning. ............................................................................................................................................. 2.John invited Fiona to his birthday party last night. .............................................................................................................................................. 3.Her mother is preparing the dinner in the kitchen. ............................................................................................................................................. 4.We should clean our teeth twice a day. ....................................................................................................................................... 5.Our teachers have explained the English grammar. ............................................................................................................................................. 6.Some drunk drivers caused the accident in this city. ....................................................................................................................................... .7.Tom will visit his parents next month. .......................................................................................................................................... 8.The manager didn't phone the secretary this morning. ........................................................................................................................................... 9.Did Mary this beautiful dress? .......................................................................................................................................... 10.I won't hang these old pictures in the living room.. ..................................................................................................................................... 11.The German didn't build this factory during the Second World War. ..................................................................................................................................... 12.The Greens are going to paint this house and these cars for Christmas Day. .............................................................................................................................................. 13.Ann had fed the cats before she went to the cinema. ............................................................................................................................................. 14.The students have discussed the pollution problems since last week. ................................................................................................................................................ 15.Have the thieves stolen the most valuable painting in the national museum? ......................................................................................................................................................... 16.Some people will interview the new president on TV. .............................................................................................................................................. 17.How many languages do they speak in Canada? ............................................................................................................................................... 18.Are you going to repair those shoes? ................................................................................................................................................ 19.He has broken his nose in a football match. .............................................................................................................................................. 20.Have you finished the above sentences? ........................................................................................................................................................