We were having the lunch when the fire alarm ringed.
I was playing golf with my dad when it started raining.
While Gran was singing her false teeth fell out.
While Rob was playing the guitar , one of the guitar's strings broke.
Mum and dad were still arguing when I left the house.
They were listening to the News when they heard the news.
I lost my wallet while I was shopping.
He was having a shower when the postman knocked on the door.