When I was doing the washing-up, I broke a plate.
While Tom was playing the piano, his mother was doing the washing-up.
He drank some juice and then he ate a few chips.
I was having dinner when I suddenly heard a loud bang.
When my father was working in the garden, an old friend passed by to see him.
She went to school, took out her textbook and began to read.
When it started to rain, our dog wanted to come inside.
When Jane was doing a language course in Ireland, she visited Blarney Castle.
When I was on my way home, I saw an accident.
I didn't understand what they were talking about.