Răspuns :
She will have come back by the end of Cristina. He will be here at 7 o'clock.
Future perfect
1. Tomorrow at 9 they will have left for Sibiu.
2. When you phone I will not have arrived at the station.
3. They will have had dinner by the time she arrived.
4. He will have done his homework by Monday.
5. She will have eaten the cake before we go home.
Future in the past
1. I promised to him that I would go to Italy when I had time.
2. Tom said that he would go to London after he he had learned English.
3. They told me , I would be in trouble.
4. We never thought they wouldn't win.
5. They knew the boss would never call them back to work.