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176 Сравните предложения: When I came to academy, the lesson had started. When I came to academy, the lesson started. 9. Find sentences in the Past Perfect in the text «A World-Famous Russian Surgeon». Explain why the Past Perfect is used. 10. Complete using the Past Simple or the Past Perfect of the verbs in brackets. 1) By 2012 my sister ……. (to defend) her doctoral thesis. 2) Last year he ……. (to defend) his doctoral thesis. 3) When I …… (to come) home my mother ……. (already/to cook) dinner. 4) He …….. (to take) a shower and ……. (to go) to bed. 5) She …….. (to leave) for home on Saturday. 6) She …….. (to leave) for home by Saturday. 7) He ………… (to graduate) from university ten years ago. 8) I ……… (not/to finish) the project by yesterday. 9) When I …… (to leave) the house, I …….. (to realise) that I ……. (to forget) my keys. 10) My cousin …… (never/to see) snow before she …… (to come) to Russia. 11) ……. you ... (to go) to the dining hall yesterday? 12) When I ……. (to get) into medical academy my cousin ……… (al- ready/to graduate) from it. 13) He ……. (not/to tell) his parents that he ……. (to fail) his exam. 14) By last Monday I ….. (to write) the essay. 15) I …….. (to be) glad to see Nick again. We ……….. (not/to meet) for 5 years. 11. Translate the following sentences into English. 1) К 3 часам вчера хирург сделал две операции. 2) Я был уверен, что никогда раньше не встречал этого человека. 3) Она свободно говорила на английском, потому что много занималась. 4) Он пришел домой, поужинал и приступил к урокам. 5) К концу прошлого года они завершили курс (to complete a course) по анатомии. 6) Он был голоден, так как ничего не ел с утра. 7) К 19 годам Пирогов уже окончил МГУ.