Составить рассказ, будущее завершенное в

-Hi. Angela ! (A)
-Hi. Mike !(B) 
-What are you doing ? (A) 
-Look ! I I am preparing to the subjects (B) 
-Why do you do it ? (A) 
-Yesterday Sara told me that She would have been worked someone.! (B)
Because Sara ( didn't study very well in school)