1. If it doesn't rain this weekend, I will go to the beach with you.
2. He must study unless he wants to flunk out.
3. I will go to the concert with you tonight if my boss doesn't ask me to work overtime this evening.
4. Don't do it unless you want to
5.If she doesn't work hard, she won't get a promotion.
6. Don't interrupt the meeting if it isn't an emergency.
7. Just let it go unless you want to be involved in any argument.
8. If she doesn't do well in the interview, she won't be accepted in the Ph.D. program.
9. The little girl won't be able to describe the picture unless she looks at it carefully.
10. He will be sent to fail unless he isn't caught in the act.