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