Помогите раскрыть скобки в Past perfect
1.When the second group of tourists (arrive) in London, the first group (already leave). 2.They (go) home after the film (finish). 3.She (tell) us about the places she (see) while she was travelling in England. 4.The children (go) to the skating rink as soon as they (return) from themuseum. 5.Milk (play) ten games by the end of the season. 6.Sue (like) the new game though she never (play) in before. 7. By the end of the Olimpic Games the national team (win) 12 medals.