1) By 6 o'clock Jimmy will be playing/will have been playing computer games for four hours. 2) At 3 o'clock tomorrow we will be watching/will have watched a film. 3) Will you be shopping/ will you have been shopping a bit later today? Can you buy me a bottle of milk? 4) By the beginning of February I will have attended/will have been attending computer courses for four months. 5) Don't call Henry. I will have seen/will be seeing him in the office later, so I'll tell him about the seminar. 6) This time next week they will be cruising/will have been cruising round South America. 7) The postman will be delivering/will have delivered all the newspapers by 4 o'clock. 8) By the end of next month Mrs Wilson will have taught/will have been teaching for thirty years. 9) Will you be using/will you have been using the printer for long? I need to print the article. 10) By 5 o'clock tomorrow Fred will be receiving/will have received your telegram.​