Hi all, hope you are fine.
1.        Who are you offering to make dinner for?
  -  I’m going to make dinner for Frank.
 I’m going to make dinner for Frank.
  -  I’m making dinner for Frank.
 I’m making dinner for Frank.
  -  I’ll make dinner for Mary.
 I’ll make dinner for Mary.
  -  I make dinner for Ted.
 I make dinner for Ted.
  -  I will be making dinner for Tony.
 I will be making dinner for Tony.
 
  2.            Who didn’t run into Tim?
  -    Jane left when Tim arrived.
 Jane left when Tim arrived.
  -    Bob left when Tim had arrived.
 Bob left when Tim had arrived.
  -    Tim arrived when Marry was leaving.
 Tim arrived when Marry was leaving.
  -    John had left when Tim arrived.
 John had left when Tim arrived.
  -    After Tim arrived, Frank left.
 After Tim arrived, Frank left.
 
  3.             Whose action bothers you?
  -    Jane is talking in class.
 Jane is talking in class.
  -    Bob always talks in class.
 Bob always talks in class.
  -    Mary is always talking in class.
 Mary is always talking in class.