10 oraciones en voz pasiva en presente en ingles?

* the stadium is cleaned by the personal autorized * the house is bought by my father * the sándwichs are eaten by me * the book is read by the teacher * the pencil is lost by my Sister * the studients are learned by the teacher * the New car is bought by my mom * the balls are los troy the studients * the car is cleaned by me * the books are burned by me.