They should ban plastic bags
Plastic bags should be banned
They shouldn't allow cell phones at school
Cell phones shouldn't be allowed at school
They should ban R-rated movies
They could change the legal age
The legal age could be changed
They should reinforce the law
They ought to do the homework until next class
The homework ought to be done until next class
They must do something about speeding
Something must be done about speeding
They have to read this book
This book has to be read
They must do something about people who litter
Something must be done about people who litter
They must create a website for the workshop
A website must be created for the workshop
They have to do something about people who download music illegally
Something has to be done about people who download music illegally
They shouldn't allow children to quit school
Children shouldn't be allowed to quit school
They could encourage people to stop smoking
People could be encouraged to stop smoking
People shouldn't be allowed to eat on public transportations
They should ban Movies with violent scenes
Movies with violent scenes should be banned
They must fine people for making noise after midnight
People must be fined for making noise after midnight
She should ban this boy from the club
This boy should be banned from this club
They have to do something about it
Something has to be done about it
They ought to encourage young people to be responsible
Young people ought to be encouraged to be responsible
They ought to stop employers from reading employees' personal email
Employers ought to be stopped from reading employees' personal email