I could play tenis,play football,play basketballl,scuba daving in summer .but couldnt do this in winter

In summer                                            In winter

1) I could swim in summer                     1) I couldn"t swim in winter

2) I could  sunbathe  in summer .        2)I couldn"t sunbathe  in winter .

3) I could  pick up berries in the

forest in summer .                        3) I couldn"t pick up berries in the forest in winter .

4) I could  wear light clothes in summer .  4) I couldn"t wear light clothes in winter

5) I could  rest a lot in summer .                5) I couldn"t rest a lot in winter-.