1. Unless you promise to try harder, I won't help you
2. Unless you take care of those shoes, they won't ....
3. Were she not old, she can go camping
4. Had it not been for the weather, it... weekend
5. In case of emergency, ring this number
6. If I were him, I wouldn't spend too.... my clothes
7. In case you get lost in the mountains, you  should take a map with you