1. Simple Past Vs. Continuous Past.
Paul was driving to work when he had an accident.
He had an accident.
Paul was driving to work.
The car stopped when it crashed into the car in front.
1. An activity was in process when another event interrupted the course of action.

2. Simple Past Vs. Continuous Past.
Paul was driving to work while he was talking on the phone.
Paul was driving to work.
Paul was talking on the phone.
Both activities where in process
2. Two simultaneous events in the past.

3. did break was washing fell fall wash break
How _____________ Sam __________________ his leg?
was washing
He ______________________ the windows.
When
fell
He ___________ down.
fall wash break

4. did meet was walking was running. meet run walk
How _____________ you __________________ James ?
was walking
He ______________________ his dog.
And
was running.
I __________________________
meet run walk

5. said was barking apologized apologize bark say
Who _____________ “Hi” first?
was barking
Oh, His dog _________________ at me.
apologized
so, He __________________ to me.
apologize bark say

6. bit was eating was trying eat bite try
I can’t believe your dog __________you, how come?
was eating
He ______________________ his food.
While
was trying
I _________________ to scratch its head.
eat
bite
try

7. threw was cleaning did see see throw clean
Your wife says you ______________ stuff at her?
was cleaning
Yea, I ______________________up my closet.
did see
I ________not _______her!
see throw clean

8. were doing hit hit do clean was cleaning
What on Earth _____________ you _________________
When
hit
you _____________ your head so terribly ?
was cleaning
I _________________ under the sofa.
hit do clean

9. iron turn burn did burn Was ironing wasn’t was turning
How __________your dad____________ his finger?
Was ironing
___________ he ____________ his shirt?
wasn’t
No, he ____________.
He __________________ a stake over
in a family barbeque.
was turning
iron
turn
burn

10. were doing hit hit do clean was cleaning
What on Earth _____________ you _________________
When
hit
you _____________ your head so terribly ?
was cleaning
I _________________ under the sofa.
hit do clean

11. were doing hit hit do clean was cleaning
What on Earth _____________ you _________________
When
hit
you _____________ your head so terribly ?
was cleaning
I _________________ under the sofa.
hit do clean

12. were doing hit hit do clean was cleaning
What on Earth _____________ you _________________
When
hit
you _____________ your head so terribly ?
was cleaning
I _________________ under the sofa.
hit do clean

13. were doing hit hit do clean was cleaning
What on Earth _____________ you _________________
When
hit
you _____________ your head so terribly ?
was cleaning
I _________________ under the sofa.
hit do clean