-GRAMMAR-

PAST PROGRESSIVE  VS  SIMPLE PAST.

*** PAST PROGRESSIVE.

-Actions in progress at a stated time in the past.
He was driving to work at 9 o'clock yesterday afternoon.
-Actions that were happening simultaneously in the past.
Bob was walking while ben was running to catch the bus.
-Past actions in progress interrupted by another action. The action that interrupted the action in progress is in the simple past.
Jenny was having a shower When the phone rang.

*** SIMPLE PAST.
-Action that happened at a stated time in the past.
He left yesterday afternoon.
-Past actions that happened one after the other.
She opened the door, went into the office and walked toward the desk.

***Exercise.
-PAST PROGRESSIVE-

1.- She was walking in the park yesterday morning.
2.- Daniela was dancing while Nadia was speaking with her boyfriend. 
3.- Natalia was eating when the door crashed. 
4.- Fernanda was seeing  the t.v when came her mom. 
5.- Francisco was playing  video game while her brother was making the homework. 

-SIMPLE PAST-
1.- He played soccer with us.
2.- She crossed the street and  walked along the street. 
3.- Susy cried because broke doll.
4.- Andrea played with dog.

5.- Esteban drove.