Past Continuous

The Past continuous describes an action or event in a time before now, which began in the past and was still going on at the time of speaking.

Form:
Affirmative:
I was reading.
you were reading.
he was reading.
she was reading.
it was eating.
we were reading.
they were reading.

Negative:
I wasn´t reading.
you weren´t reading.
he wasn´t reading.
she wasn´t reading.
it wasn´t eating.
we weren´t reading.
they weren´t reading.

Interrogative:
Was I reading?
Were you reading?
Was he reading?
Was she reading?
Was it eating?
Were we reading?
Were they reading?

Use :
The Past Continuous is used to:
- Talk about an action that had already started and was still continuing at a particular time.
At 8.00 O´clock I was sleeping.
Example:

It is also used to:
-describe an unfinished action that was interrupted by another event or action.
I was watching TV when she phoned.
Example:

It is also used to:
-describe two actions that were both continuing at the same time in the past. In this case we use past continuous for both actions.
While I was reading. Mary was sleeping.
Example: