1d, 2f, 3e, 4a, 5c, 6b
1. If I go on a diet I'll lose weight
2. If it's sunny tomorrow we'll go for a picnic
3. If John doesn't hurry he'll be late
4. If it snows we'll make a snowman
5. If there are no buses she'll have to take a taxi
6. If you are a good girl I'll buy you some chocolate
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1. If I see John, I'll tell him your news.
2. He will be very pleased if it is really true.
3. If you go to town on Monday, you'll meet my brother Tom.
4. If you need help, my father will help you.
5. We'll have a picnic lunch if the day is fine.
6. If you ask a policeman, he will tell you the way.
7. I'll finish the job tomorrow if I can.
8. I won't require an umbrella if it doesn't rain.
9. If she thinks it over carefully, she'll form a clear opinion.
10. If they catch the bus now, they will arrive at half past nine.
11. He will find the answers if he looks at the back of the book.
12. If you want me to, I'll come) for a walk with you.
13. If he writes to her, she will answer at once.
14. If you wait) a few moments, the waiter wil bring your coffee.
15. He will lose weight if he stops eating too much.
16. If she is patient, I'll try to explain.
17. I'll wear a purle tie only if I must.
18. If we leave at once, we'll catch the early train.
19. If he does that again, his father will punish him.
20. If she drinks this medicine, she will feel much better.