1.  The referee was being escorted from the football field by a policeman.

2.  The runways are being lengthened at all the main airports.

3.  Yesterday morning the damaged cruiseship was being towed into harbour.

4.  Evening dress will be worn at the graduation ceremony.

5.  After Priscilla's death someone will have to be hired to take her place.

1.  Those rumours must have been started by their political opponents.

2.  Jorge Carbajal's paintings are to be exhibited next month by the Sacramento Art Gallery.

3.  The apartment where the old man was murdered is being guarded by an inspector.

4.  Richardson's theory has been proved to be false yesterday.

5.  He is said to have given a lot of money to charity.