A new supermarket is going to (build) next month.
be built
It (expect) that the unemployment rate will fall.
is expected
The roof needs (fix) soon.
fixing/to be fixed
In medieval times, the Earth (believe) to be flat.
was believed
This report (claim) that there is corruption throughout the company.
claims
Several students (know) to have cheated in their exams.
are known
People need (encourage) to use public transport if we want to reduce the carbon emissions
encouraging/to be encouraged
For a long time, people (think) the giant panda was a type of raccoon.
thought
This book must (return) to the library soon.
be returned
The letters are going to (deliver).
be delivered
Stamps can (buy) at any post office
be bought