1 When we arrived at the stadium, the race had started. a The race was in progress when we arrived at the stadium. b The race started after we arrived. 2 Louise had done a lot of training when she took part in the tennis competition. a Louise first did a lot of training and then she took part in the tennis competition. b Louise did a lot of training at the same time that she took part in the tennis competition. 3 The record company had to pay back all the money to the people that had bought tickets. a The record company paid the money first and then people bought tickets. b People first bought tickets and then the record company paid the money. 4 He told everyone that he had won a gold medal. a He won a gold medal and at the same time told everyone. b He first won a gold medal and then he told everyone.