Question

Pasar a VOZ PASIVA 1 she an e-mail yesterday 2 they issue 12 books every day 3 jenny writes short stories once a week 4 they are playing computer games now 5 they copy files once a month 6 they make chocolate cakes every month 7 jim sells mails at $ 1.00 8 george buys fruits once a week 9 they may edit 10 books 10 they published his fomous book in 1983

Answer 1

1) An email was sent by her yesterday
2) Every day 12 books are issued by them
3) Once a week, short stories are written by Jenny
4) Computer games are being played by them now
5) Files are copied by them once a month
6) Chocolate cakes are made by them every month
7) Mails are sold by Jim at €1.00
8) Fruits are bought by George once a week
9) 10 books may be edited by them
10) His famous book was published by them in 1983

Tienes que hacer lo mismo que en español para pasar una oracion de voz pasiva a voz activa:
1- Identifica el sujeto y el predicado
2- Intercambia la oracion de modo que el predicado sea el que realiza la accion en lugar del sujeto