Past simple or past perfect? Complete the sentences with the appropriate forms of the verbs in brackets. 1) When I (meet) John, I (understand) that I (see) him before. 2) When the second group of tourists (arrive) in London, the first group (already leave). 3) They (go) home after the film (finish). 4) She (tell) us about the places she (see) while she was travelling in England. 5) The children (return) from the museum. 6) Mike (play) ten games by the end of the season. 7) Sue (like) the new game, though she never (play)edit before. 8) By the end of the Olympic Games, the national team (win) 12 medals.