Easy
Pepe opens the window.
The window is opened by Pepe.
Mary writes a bad word .
A bad word is written by Mary.
Susy shipped the package two days ago.
The package was shipped two days ago by Susy.
Ana printed the documents.
The documents were printed by Ana.
Marco purchased shoes yesterday.
Shoes were purchased yesterday by Marco.
Liz is eating a hamburger and salad.
A hamburger and salad are being eaten by Liz
A famous doctor promotes a healthy lifestyle.
A healthy lifestyle is promoted by a famous doctor.
Petunia invested a lot of money in the business.
A lot of money was invested in the business by Petunia.
Messi will advertise Nike.
Nike will be advertised by Messi.
Etna produced different batteries last year.
Different batteries were produced last year by Etna.
Gabriela will visit Rio next week
Rio will be visited by Gabriela
Panchito is listening to music
Music is being listened by Panchito
Sandy saw a movie yesterday
A movie was seen by Sandy
A lot of people have visited Machu Picchu.
Machu Picchu has been visited by a lot of people.
Pedro has seen titanic
Titanic has been seen by Pedro