1) This game is played (by him) every Friday
2) The mail had been delivered (by the postman)
3) Research work is being done (by them)
4) The fox will be brought back to the zoo (by us)
5) My bike was prepared (by me) two days ago
действующее лицо в скобках можно опустить, на твой вкус
This churches are older than that churches.
It, there, there, that, there, there, it, there, there, it, it, there, it, there, there, it, it, it, it, there, there, it, there, it, it, there
good deed is never lost доброе дело даром не пропадет