Напишите 5 предложений смешанного типа (if)

1) If you don't drink, you are thirsty.
2) If I were you, I wouldn't buy this boots. 
3) If you were at school tomorrow, I will give you your books.
4) If the weather is fine on Saturday, we'll go for a long walk.
5) I'll call you when I come back from Spain.