1. Unless it rains soon, the crops will be ruined.
2. If the weather isn't fine, we'll stay at home.
4. If I don't get my homework finished, I can't go with you.
5. Unless you leave on the 15th. you'll get homr late for your mother's party.
6. Unless I have spare time, I won't see you off at the airport.
7. If you drive fast, you will have an accident.
8. If it were warmer, we would go on a picnic.