1. If you don't eat now, you will be hungry later.
2. She will be sad if he leaves.
3. If you leave ice in the sun, it will melt.
4. If we go to the show, we'll have a lot of fun.
5. If she wasn’t so busy, she would come to the party.
6. He wouldn't be a very good football player if he didn’t train hard.
7. If you mix black and white, you get grey.