Ответ:
1) The wine should be opened about three hours before you use it.
2) My shoes had been cleaned and my suit had been brushed.
3) This room is used by us only on special occasions.
4) Nails must not be hammered into the walls without permission.
5) A light was switched on and the door was opened.
6) The picture had been slashed with a knife.
7) Why wasn’t the roof mended before it fell in?
8) Refreshments will be served.
9) He has already been told to report for duty at six.
10) Nothing can be done unless we are given more information.
11) Far more money is being spent on food now than was spent ten years ago.
12) The paintings will be exhibited by the organizers till the end of the month.
13) It is high time he was told to stop behaving like a child.
14) The old theatre is being pulled down.