Ale może jeszcze dla pewności poproszę o sprawdzenie kilku zdań:
Future Simple in the Past:
Acitve: He said: "I will repair my car tomorrow"
Passive: He said his car would be repaired the next day.
Future Continuous in the Past:
Acitve: He said: "I will be repairing my car for 6 days"
Passive: He said his car would be being repaired for 6 days.
Future Perfect in the Past:
Acitve: He said: "I will have repaired my car by tomorrow"
Passive: He said his car would have been repaired by the next day.
Future Perfect Continuous in the Past:
Acitve: He said: "I will have been repairing my car for 6 days by tomorrow"
Passive: He said his car would have been being repaired for 6 days by the next day.