Test:Passive voice

 1.  A prize ..... to whoever solves this equation.  

will be giving

will be given

gives

 2.  In more than 200 years the USA Constitution ..... 26 times.  

is amended

is being amended

has been amended

 3.  This dictionary ..... a week ago.  

published

has published

was published

 4.  Four people ..... in a train crash.  

killed

have killed

have been killed

 5.  The books must ..... by 12 December.  

be returned

have returned

will be returned

 6.  Hundreds of people ..... by the new factory this year.  

are employed

were employed

have been employed

 7.  The room ..... later.  

will clean

will be cleaned

has been cleaned

 8.  When the manager arrived, the problem ......  

had already been solved

had already solved

had solved

 9.  Mr. Green ..... at the University since 1989.  

is teaching

has been teaching

has been taught

 10.  This is a large hall. Many parties ..... here.  

are held

are being held

has been held

 11.  A new supermarket ..... next year.  

will be built

will built

is building

 12.  A dog ..... by the small red car.  

was hitting

was hit

is hitting

 13.  People ..... this road very often.  

aren't used

don't use

haven't used

 14.  When I came to the party, John ..... home.  

had already been gone

had already gone

was gone