3.1
1. The ice cream will melt if you leave it in the sun.
2.If you break your promise, I will be angry.
3. You won't pass your exam if you don't practice everyday.
4.If we don't leave now, we will miss the bus.
3.2
2.If Gran had a dog, she wouldn't be lonely.
3.If I was good at football, I would play in the school team.
4.If Ben was clever, he wouldn't spend all his money on expensive clothes.
5.If Dalina didn't tell lies,people would listen to her.