Задание

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Dillion loves trains ! He first [sees|has seen|saw|was seeing] a train when he was six years old and he [was|is|has been|had been] absolutely amazed. He [is going to go|went|will go|goes] to a different train station every week and [is writing|wrote|has been written|writes] down the engine number of every train he sees. He [is doing|has done|has been doing|was doing] this since he was seven. By the time he left school he [collected|had collected|was collecting|has collected] over 5000 different engine numbers from all over the world. At one time, while he [was standing|stood|had been standing|had stood] at a station he [has seen|had seen|was seeing|saw] something very strange. He [waited|was waiting|had been waiting|had waited] for a train for an hour when he suddenly  [has seen|had seen|was seeing|saw] an old steam locomotive coming down the tracks. It [didn't stop|wasn't stopping|hadn't stopped|stopped] at the station and when it [passes|was passing|had passed|passed] Dillion  saw that all the passengers [wore|were wearing|have worn|had been wearing] old-fashioned clothes. He told the station manager about this, but the manager said that no steam locomotive [passes|was passing|had passed|passed] through the station for years, and that the last one [crashed|was crashing|had crashed|had been crashing], no one leaving alive.