Объяснение:
Sam plays tennis every Monday.
Present Simple(т.к. есть plays и every Monday)
Sam is playing football at the moment.
Present Continuous(т.к. есть is playing и at the moment)
Sam has played football for several times.
Present Perfect (т.к. есть has played и for several times)
Sam played football when he was 15.
Past Simple(т.к. есть played и was)
Sam was playing football at that time.
Past Continuous(т.к. есть was playing и at that time)
Sam will play football next Monday.
Future Simple(т.к. есть will play и next Monday)