(1)
has not been marked
is washed
had been broken
would be sold
had been invited
(2)
This computer will be exported to seventy different countries by the company.
Mr and Mrs Davidson are being questioned by the police.
Smoking is not allowed in this restaurant.
Dr Johnson is being interviewed at the moment.
The children have been told about the party.
(3)
When we have found the dictionary, the article had already been translated.
When was the moment built?
Were you asked additional question during the exam?
As soon as the luggage was packed, the taxi was sent for.
He has been told nothing about that yet.