we were sitting in the garden when it started to rain.
I was listening to the radio, when I had an idea.
She was walking to school when it started to snow.
I was having a bath when the window broke.
We were going to the shops when we found £10.
I was cycling to school when I saw an accident.
Ron hurt his knee while he was playing football.
Mary was reading in bed when the telephone rang.
The headmaster went into the classroom while we were having our English lesson.
He was making a salad when he cut his hand.