1. She has been invited to the party by the boy since last week.
2. This song hasn't been listened for a long time.
3. Chinese has been studied by Mary and Luise for five years.
4. This bridge has been built by them since August 2012.
5. Three books have been written by her for two years.
6. A lot of time has been wasted by the school boys.
7. Two hundred people have been arrested by the police.
8. The meeting has been cancelled by them.
9. All the students in the scholl have been invited.
10. A meeting has been held by them before May Day.