1. Verwendung vom Passive Voice:
Das Passive Voice verwendet man, um die Handlung in den Vordergrund zu stellen.
Die handelnde Person spielt hier Gegensatz zum Aktiv nur eine untergeordnete Rolle.
 
2. Bildung des Passive Voice:
Form von "to be" + 3. Form des Verbs. 
Form of to be + Past Participle
 
Das Objekt wird zum Subjekt, Subjekt wird zum by-Objekt
Object becomes subject, subject becomes objects
 
Zeitergänzungen werden am Anfang oder am Ende des Satzes gestellt.
Expression of times at the end or the beginning of the sentence.
 
Aktiv: He buys a new house.
Passive Voice:
Present Simple: A new house is bought by him.
Present Progressive: A new house is being bought by him.
Past Simple: A new house was bought by him.
Past Progressive: A new house was being bought by him.
Present Perfect: A new house has been bought by him.
Past Perfect: A new house had been bought by him.
Will Future: A new house will be bought by him.
Going-to Future: A new house is going to be bought by him.
 
3. no by object:
Wenn die handelnde Person nicht wichtig ist, entfällt die Nennung der handelnden Person:  
If the acting person is not important, or wie use no by object:
z.B. bei somebody, nobody, people, ...
 
Aktive: Somebody broke the window.
Passive: The window was broken.
 
4. modal verbs:
Aktive: You must do your work.
Passive: Your work must be done.
 
Aktive: We can't find the book.
Passive: The book can't be found.
 
Aktive: She could see the problems.
Passive: The problems could be seen by her.
 
Aktive: I may sell my old car.
Passive: My old car may be sold by her.
 
5. Sätze mit zwei Objekten = 2 Lösungen:
Aktive: She gave me a present
Passive I: I was given a present by her.
Passive II: A present was given to me by her.
 
Verben, die zwei Objekte erlauben/verbs that may take two objects:
bring, give, offer, show, tell, write, allow, ask...