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26 Употребление Примеры Длительное действие, которое на� чалось в прошлом и продолжалось до определенного момента She had been researching  into the ways of improving people’s diet for 15 years before she published a book on it. I. Translate the sentences into Russian. Define the tense. 1. Twenty years ago we didn’t even diagnose autism as a separate disorder, it was a symptom of childhood schizophrenia. 2. On questioning the doctor revealed that the pain was affecting the patient’s sleep and was particularly bad in the mornings when she woke up, making it extremely difficult to get out of bed. 3. The patient said he had been suffering from a severe, squeezing pain in the substernal area for two hours. 4. By the end of the year they had worked out a number of methods that were effective in cases of great loss of blood, electrical shock and sudden cessation of the heart beat. 5. The X‑ray examination of the esophagus and stomach performed on the second week showed no obstruction of the esophagus. 6. Не returned home from his work on the day previous to the onset of his illness and felt a bad headache and chillness. 7. Repeated tests of urine revealed that albumen and blood were present in it which showed that the man was suffering from some kidney disturbance. 8. By the 21st century transplantation had become the sole method of treatment for a number of grave diseases which were incurable only a short time ago. 9. A 50‑year-old housewife, who had been well until four months previously, complained of tiredness and malaise. She had gained 9 kg in weight in the year before she presented to her GP although she denied eating more than usual. 10. The patient’s postoperative course was uneventful and the wound was healing well. II. Circle the correct form of the verb. 1. The nurse was giving/gave  injections from 5 till 6 o’clock. 2. I had been waiting/had waited for the findings of my blood analysis for an hour when you came.