1, Some new airports will be constructed on islands by them.
2, This promise might be fulfilled as quickly as people would like by the new president.
3, The mystery is going to be found out by them.
4, Videos like this one can be bought anywhere.
5, The hotel should have been finished by them by the time you arrive.
6, The story of the European Community has to be written one day.
7, The accident ought to have been reported to the police by them.
