a)
To describe parallel actions |
dependent clause/Past Continuous
main clause/Past Continuous
While I was knitting the arms, Nariman was filling the legs with cotton.
Both actions happen at the same time.
|
b)
To describe interrupted actions |
main clause/Past Continuous
started earlier/longer action
dependent clause/Past Simple
shorter action/interrupts the longer action
We all were working when dad entered the room with a box.
dependent clause/ Past Continuous
started earlier/longer action
main clause/Past Simple
shorter action/interrupts the longer action.
While/When we were working, dad entered the room with a box.
|