The phone rang when I was having a shower.
It began to rain when I was walking home.
We saw an accident when we were waiting for the bus.
Mary was wearing her new dress when I met her.
The sick child was sleeping when the doctor came.
I came into the room when Jill was playing the piano.
It was raining when we went out.
John got off the train while it was going.
He had twenty-five accidents while he was learning to drive.
The little boy was fishing when he fell into the river.