They may serve a meal.
A meal may be served.
We must fill in the form at the reception on arrival.
The form must be filled in at the reception on arrival.
We can't eat sushi from the streets.
Sushi from the streets can't be eaten.
We can keep the library book for two weeks.
The library book can be kept for two weeks.
You shouldn't give them your money.
Your money shouldn't be given to them.
People must wear seatbelts during take-off and landing.
Seatbelts must be worn during take-off and landing.
The company should offer you a job soon.
A job soon should be offered by the company.
You can take money out of a cash machine.
Money can be taken out of a cash machine.
The constructors must install an alarm for security.
An alarm for security must be installed.
The students can easily solve the problem.
The problem can be easily solved by the students.