1.   That, anyway, is the thinking of some modern medical students who find a lot has changed since the Peloponnesian war.

2.   A lot has changed after the party congress.

3.   A lot will change after your freshman year.

4.   A lot can change in three years.

5.   Along the way, a lot had changed.

6.   And a lot has not changed.

7.   And a lot has changed since the days when labor unions were at their peak, regularly negotiating higher wages and better working conditions for workers.

8.   And, while a lot has changed, Americans were as unlikely then as they are now to locate Afghanistan on a map.

9.   And, over time, a lot can change.

10.   Beneath the surface, a lot would change.