2) If they aren't home soon, we'll call the police
3) It won't be so hot if you'll sit under the tree.
4) If I'll open the window, the cay will jump out.
5) Mum will give your hamburger to the dog if you don't want it.
6) If Jack will ask for your telephone number, I won't give it to him.
7) She won't be tried at school tomorrow if she will go to bed now.
8) If he calls againg I won't answer the phone.