After she had hung out the washing, it began to rain.Fiona had tidied the house by the time the children arrived home.When the guests had left. she started cleaning.The girls had put on their uniforms before they went to school.When the the lights went out,the meeting had already started.1 he had been trying to call...2 I had been sitting3 the concert had just started- the musicians had only been playing 4 had dusted and had put away5 I had been cleaning6 I had been waiting