Ex 35 complete the following sentences on the above pattern. 1. you'll understand this book when you (get older 2. if the weather (change for the better), we'll go to the country. 3. he will phone you as soon as he (wake up). 4. i'll call a doctor if she (get worse). 5. you will never make this mistake again if you (learn things the right way). 6. i won't speak to you again until you (tell me the whole truth). 7. if she (go by a fast train), she'll arrive in time. 8. we'll stay in moscow till we (get an answer to our letter). 9. he will get to her place before everybody (arrive). 10. when the train (arrive in kiev) i'll get off to buy newspapers. 11. you won't be cold if you (wear a warm coat). 12. after they (make changes in the plan) we'll discuss it again. 13. if you (speak so fast), nobody will understand you.