While I was sleeping, the doorbell rang, , While we were having dinner, my father came home., , While I was talking on the phone, my mother entered the room., , While I was waiting for the bus, I saw my grandpa., , While the children were playing in the garden, it started to rain., , When the teacher entered the classroom, the students were shouting in the classroom., , When the car crashed into a tree, the driver was talking on the phone, , When the electricity went off ,the lift stopped., , When I saw him,he was walking with another girl., , When it started to rain ,we were going shopping., .

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