Travel
Tickets must be ____ (buy) before the trip.
bought
prepared
People should be ____ (respected) by others if they are respectful themselves.
respected
Criminals could be ___ (send) back to society after their punishment.
sent
Birthday of friends and family must not be ___ (forget)
forgotten
A hotel room ___(must/ book) ___ beforehand.
must be booked
The plant ____(should/ grow)___ in places with suitable weather conditions.
should be grown
Grandparents ____(should/ visit)___ by their grandchildren.
should be visited
Prisoners ____(could/ train)___ to become better and more skillful people.
could be trained
They cake ___(could/ bake)___ by ourselves.
could be baked
They take the train to go across the country.
The train is taken to go across the country.
The lorries can take the fruit to the market.
The fruit can be taken to the market [by the lorries].
Parents can give the perfect advice.
The perfect advice can be given [by parent].
They can teach new skills to the prisoners during their sentence.
New skills can be taught to the prisoners during their sentence.
A gift must be bought before it's too late.