The documents __________ already __________ when the mistake was discovered.
had / signed
had / been signed
have / been signed
were / signing
The suspect is thought __________ left the country illegally.
to be
having
to have
have
The issue __________ by the committee when new evidence appeared.
had been discussed
is being discussed
has been discussed
was being discussed
It is generally __________ that the exam was more difficult this year.
agreement
agreed
agree
agreeing
The bridge __________ for structural damage after the storm.
is being inspected
has been inspected
is inspected
was being inspected
It has been __________ that the data was incorrect.
discovering
to discover
discovered
discover
The results __________ carefully __________ while the experiment was still in progress.
were / being analysed
had / been analysed
were / analysing
were / analysed
By the end of last year, more than 1,000 houses __________ in the area.
had been built
had built
were built
have been built
It is thought that the painting __________ during the 18th century.
has created
was created
is created
had been creating
All the tickets __________ before we reached the venue.
have been selling
have sold
had been sold
were selling
The documents __________ by the legal team at the moment.
were being reviewed
are reviewed
have been reviewed
are being reviewed
The final report __________ by the time the manager arrived.
had been completed
has been completing
has completed
was completed