5.- Change these sentences into the passive or active voice.
1 Hooligans have spoilt the enjoyment of football.
The enjoyment of football has been spoilt by hooligans
2 The referee watched the players very closely.
2 The players were watched very closely by the referee.
3 They play American football in many countries nowadays.
3 American football is played in many countries nowadays.
4 Someone’s taken my pen.
4 My pen has been taken.
5 The new motorway won’t be completed before the year 2014.
5 They won’t complete the new motorway before the year 2014.
6 Who has my wallet been taken by?
6 Who has taken my wallet?
7 I’m sure they’ll give her a nice present.
7 I’m sure she’ll be given a nice present.
8 John hasn’t invited me to his party.
8 I haven’t been invited to John’s party.
9 The teacher told the students to be quiet.
9 The students were told by their teacher to be quiet.