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