1. If you need cash, I can lend you a little.
2. If I find your keys, I will tell you about it.
3. If the weather is good, we will go for a walk.
4. We will not go for a walk if the weather is bad.
5. If I go to the store, I will buy milk.
6. What will you do if you win a lot of money?
7. I will do it again if you do not like my work.
8. If you go now, you won’t be late.
9. If she does not come to the party, I will not invite her next time.
10. If he calls me, I will be glad.
11. If he does not finish this task today, he will be behind schedule.
12. If we do not hurry, we are late for the train.
They haven't returned from Paris