1 Alan is playing computer games 2 Alan has played computer games 3 Alan has been playing computer games 4 Alan played computer games 5 Alan was playing computer games 6 Alan had played computer games 7 Alan had been playing computer games 8 Alan will play computer games
2 Alan has played computer games
3 Alan has been playing computer games
4 Alan played computer games
5 Alan was playing computer games
6 Alan had played computer games
7 Alan had been playing computer games
8 Alan will play computer games