Active: I have not seen that letter
Passive: That letter has not been seen by me
Active: I have to help my mother
Passive: My mother has to be helped by me
Active: I want to wear your clothes
Passive: I want to wear your clithes. [lit. "Your clothes want to be worn by me."]
Active: We are the ones who already bought those bananas.
Passive: Those are the bananas that we already bought.
Active: I read this book
Passive: This book is read by me.
Active: You have to buy that medicine for me
Passive: That medicine has to be bought by you for me
Active: You have to buy me that medicine
Passive: I have to be bought that medicine by you
Active: What will you cook today? [lit. "You will cook what today?"]
Passive: What is it that you will cook today?
Active: Have you looked for your younger sister?
Passive: Has your younger sister been looked for by you?
Active: You have to give me that medicine
Passive: I have to be given that medicine by you.
Active: Tomo wants to read that newspaper.
Passive: "That paper wants to be read by Tomo."
Active: Mazen hasnt yet opened the door.
Passive: The door hasnt yet been opened by Mazen.
Active: Our teacher must discuss that film.
Passive: That film must be discussed by our teacher.
Active: Ani receives a letter from her mother.
Passive: A letter from her mother is received by Ani
Passive: A letter is received by Ani from her mother.
Active: Mr. L. closes his office
Passive: The office is closed by Mr. L.
Active: A typist has already typed that letter.
Passive: That letter has been already typed by a typist.
Active: Ms. S. is preparing fried fish.
Passive: Fried fish is being prepared by Ms.S.