sentences with modal verbs

•You can take the book. (Active voice)
• The book can be taken by you. (Passive Voice).


• Everybody must obey the rules. (Active voice)
• The rules must be obeyed by everybody. (Passive Voice).


• They might have studied their lessons. (Active voice)
• Their lessons might have been studied by them. (Passive Voice).


• He may not accept this plan. (Active voice)
• This lesson may not be accepted by him. (Passive Voice).