Номер 12 сделайте. плииииз

1) The children played volleyball at the sports ground thre days ago. 2)Mary played the piano after classes. 3)Nelly and Victor played badminton at the sports ground thre days ago. 4)My elder sister played the guitar after classes. 5)Caroline played on the violin arter classes. 6)The boyes played hockey et the sports ground the days ago.