Passive form of yes/no questions.Active:Will they buy a new house? Passive:Will a new house be bought by them?
Passive form of modal verbs.Modal verb+ be+ pıı Active:You should read this book .Passive:This book should be read by you.
Passive VoiceTo be+pıiActive:A mouseatethe cheese.Passive :The cheese was eaten by a mouse.
Passive form of yes/ no questionsActive:They will buy a