INTERRUPTED PAST

A continuous action in the past interrupted by another past action.

It composes by a long action & a short action connected by the word WHEN

This long action is written in past continuous.

I was watching TV.

This sentences is written in the simple past.

The phone rang.

Both sentences are connected by WHEN to make it Interrupted Past.

I was watching TV when the phone rang.

Remember the formulas for both tenses.

· PAST CONTINUOUS

subject + was / were + verbING + complement.

· SIMPLE PAST

subject + verb (past) + complement.

Thank you!