помогите пожалуйста с английским

1 When the police arrived, the shoplifter had run away.
2 When Mom got home, Dad had cooked dinner.
3 When the police caught  them,the vandals had sprayed graffiti on the wall.
4 When we arrived at the cinema, the film had started.
5 When we left the beach, it had started to rain.
6 When we got to the station, the train had left.