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Учебное пособие Кривцова, Кочетова.doc
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10. Change the sentences of real conditions into unreal conditions in the present or future and in the past.

1. If I am not too busy, I shall go to the concert. 2. They will all be surprised if I make such a mistake. 3. If he doesn't come in time, shall we have to wait for him? 4. If no one comes to help, we shall be obliged to do the work ourselves. 5. If you put on your glasses, you will see better. 6. What shall we do if they are late? 7. Will you be very angry if we don't come? 8. Will he be very displeased if I don't ring him up?

11. Complete the sentences in real conditions.

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 purle 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.

12. Complete the sentences in a) real conditions, b) unreal conditions in the present.

1. If I (to know), I (to tell) you. 2. If she (to want) to talk she (to ring up). 3. Her health (to improve) if she (to sleep) longer. 4. If he (to have) enough money, he (to buy) a large house. 5. She (to feel) lonely if Peter ( to go) out every evening. 6. We (to be) pleased to see you if you (to arrive). 7. If we (to can) come on Sunday, we (to come). 8. I (to understand) Mr. Smith if he (to speak) slowly. 9. We (not / to go) by ship unless there (to be) no other way. 10 If you (not / to give) him good meals, he (not / to be able) to work hard.

13. Change the sentences of unreal conditions in the present into unreal conditions in the past.

1. If she tired, she could be better.   2. He would do more work if he were able.   3. I should live better if I earned more money.   4. If I knew the answer, I should tell you.   5. He wouldn't come unless you invited him.   6. We shouldn't remember it if it weren't so strange.   7. If I had time, I would help you.   8. Peter would come if you wanted him to.   10. If you wrote more often, you would receive more letters.   11. They would prefer to keep it if they could. 12. I would buy it by myself if I had money.   13. If they offered it to me for nothing, I wouldn't take it.   14. I should break a promise if I answered your question. 15. If you swore to keep a secret, I would tell you.