Помогите пожалуйста с английским тут надо соединить предложения

a)
1) we'll go to ski.
2) they'll be free.
3) we'll play our favourite computer games.
4) we'll buy tickets.
5) they'll go for a walk.
b)
1) If I have money
2) If she wants to go the cinema
3) If they take part in this festival
4) If he becomes a scientist
5) If they have time