Be + Ving
You did it!!!
Time expressions
while, as, the moment that, etc.
Rule #4
- past action in progress interrupted by another past action:
I was reading a newspaper
when the telephone rang.
Past Continuous
Rule #3
- background description to events in a story:
She was walking alone the river...
Rule #2
- two or more simultaneous past actions of certain duration:
I was washing up while
he was cooking the dinner.
Usage
Rule #1
The Trip starts here :)
- action in the middle of happening at a stated past time:
This time last week
I was traveling across Africa.
Formation
- reading
- playing
- watching
- waiting
- riding