1. If you phone the police, we’ll kill your son.
2. If he doesn’t take an umbrella, he’ll get wet
3. If I get this promotion at work, I’ll take you to Paris.
4. If she doesn’t know how to do it, she’ll ask you to help her.
5. If you aren’t here before 7.30, we won’t have time to do it.
6. If you don’t invite her, you'll make an enemy for life.
7. If our flight is delayed, we’ll miss our connecting flight.