1. If I (to see) John, I (to tell) him your news. 2. He (to be) very pleased if it (to be) really true. 3. If you (to go) to town on Monday, you (to meet) my brother Tom. 4. If you (to need) help, my father (to help) you. 5. We (to have) a picnic lunch if the day (to be) fine. 6. If you (to ask) a policeman, he (to tell) you the way. 7. I (to finish) the job tomorrow if I (to can). 8. I (not/to require) an umbrella if it(not/ to rain). 9. If she (to think) it over carefully, she (to form) a clear opinion. 10. If they (to catch) the bus now, they (to arrive) at half past nine. 11. He (to find) the answers if he (to look) at the back of the book. 12. If you (to want) me to, I (to come) for a walk with you. 13. If he (to write) to her, she (to answer) at once. 14. If you (to wait) a few moments, the waiter (to bring) your coffee. 15. He (to lose) weight if he (to stop) eating too much. 16. If she (to be) patient, I (to try) to explain. 17. I (to wear) a purple tie only if I (to must). 18. If we (to leave) at once, we (to catch) the early train. 19. If he (to do) that again, his father (to punish) him. 20. If she (drink) this medicine, she (to feel) much better. 21. If Alice (not feel) well tomorrow, she (to stay) at home with her little brother and sister. 22. The alarm (to ring) if Peter (not wake) up in time.​