1. Unless I go, he won't do that.
2. Unless she goes home early, she won't be able to watch this game show.
3. She washes the dishes. But for that, she wouldn't go for a walk.
4. He washed the car. But for that, he wouldn't have gone out.
5. I should be hungry or might be late for the exam.
6. If I didn't exercise last night, I would fail the exam.
7. Water the plants or she could tell.
8. You could camp here provided that you leave no mess.
9. Unless he doesn't love me, I will kill him.
10. If anything goes wrong, give me a ring.
11. If it is too cold, we will eat outside in the backyard.
12. Had you followed my advice, you would have passed this exam.
13. Unless she helps, I will not complete my homework.
14. If you drive carefully, you can use my car.
15. If you had listened to my advice, you wouldn't be in trouble right now.

1. We'll play tennis if it doesn't rain.
2. Take this medicine with you in case you get bitten by the insects.
3. I wouldn't be saying this unless I were sure of the fact.
4. If you have anything to report, put it in writing and send it to me.
5. I will agree to go provided that my expenses are paid.
6. You'll fail in French unless you work harder.
7. When you go on holiday abroad, you should take traveller's cheques in case they are stolen.
8. We would have had a lovely holiday if it hadn't rained.
9. Unless you promise never to be late again, I will let you join with us.
10. Carry a spare tyre in case you have a puncture on the way.