Real present -- First Conditional; unreal present -- Second Conditional; unreal past -- Third Conditional.
1. If I have money,I will buy burger. (First Conditional)
2. If you put on coat,you won't catch cold. (First Conditional)
3. If he had fallen over,he might have broken plates. (Third Conditional)
4. If you didn't play with knife,you wouldn't cut your finger. (Second Conditional)
5. If Sandra hadn't left cupboard open,she wouldn't have hit head. (Third Conditional)
6. If my mum has a headache,she will take aspirin. (First Conditional)
7. If he left fish on the table,the cat could eat it. (Second Conditional)
8. If David doesn't eat so much,he won't be fat. (First Conditional)