Условие задания:

3 Б.
Read the sentences and write the full verb form. Choose the future perfect or future perfect continuous.
  
shutterstock_1505702780.jpg
 
1.  He ______(not/start) painting the bedroom before Monday.
 
    
  
2.  Aline _______(buy) a sport car by the time she’s 25.
 
    
 
3.  By next Christmas, I_____ (clean) my house.