В упражнениях среднего уровня надо уже думать грамматике, в данном случае, какое именно прошедшее время уместно употребить в том или ином случае. Но подсказок в предложении хватает, поэтому трудностей не предвидится. В следующих предложениях надо раскрыть скобки и поставить глаголы в Past Indefinite Tense или Past Perfect Continuous Tense. В конце упражнения и раскрою скобки и напишу предложения в нужном времени, чтобы вы могли себя проверить.
1. Jack ( to drop) the pencil he ( to write) with.
2. They (to drive) in the car for a long time before they (to come) to the crossroads.
3. He ( to know) from the redness of her eyes, there ( to be) times she ( to cry).
4. The scientists ( to carry ) out dozens of experiments before they ( to achive) satisfactory results.
5. Turning away, Ann (to move) to close the cupboard her husband ( to look) into.
6. The violinist ( to practise) the passage hour after hour until he ( to master) it at last.
7. The weather was cold as the severe wind ( to blow) since yesterday.
8. At last John ( to bring) me the books which I ( to expect) several days.
9. The children were tired as they (to play) football for several hours.
10. He ( to write) and ( to tear) up more than one letter when at last he ( to find) the necessary form of address.
11. Through the open window Ann could see the chair where her husband ( to sit) the previous night.
12. Carefully she ( to close) the magazine, turning down the corner of the page that she ( to read).
13. He (to sit) opposite her and ( to lift) the large glass of orange juice out of the ice in which it ( to rest).
14. So he ( to listen) graciously when Ann (to venture) to put the question which (to revolve) in her mind all the afternoon.
15. He ( not to say) where he ( to sleep) and ( to have) the appearance of not sleeping at all.
Я раскрою скобки и поставлю глаголы в нужное время, а потом переведу предложения на русский язык, чтобы вы могли себя проверить.
1. Jack dropped the pencil he had been writing with. = Джек уронил карандаш, которым он писал.
2. They had been driving in the car for a long time before they came to the crossroads. = Они долго ехали на машине прежде чем доехали до перекрестка.
3. He knew from the redness of her eyes, there were times she had been crying. = Он знал по ее покрасневшим глазам, что временами она плакала.
4. The scientists had been carrying out dozens of experiments before they achieved satisfactory results. = Ученые провели десятки опытов, прежде чем они достигли удовлетворительных результатов.
5. Turning away, Ann moved to close the cupboard her husband had been looking into.
6. The violonist had been practising the passage hour after hour until he mastered it at last. = Скрипач практиковался часами, играя один и тот пассаж до тех пор, пока он, наконец, не начал его превосходно играть.
7. The weather was cold as severe wind had beem blowing since yesterday.= Погода была холодной, так как со вчерашнего дул сильный холодный ветер.
8. At last John brought me the books which I had been expecting several weeks. = Наконец Джон принес мне книги, которые я ожидал уже несколько недель.
9. The children were tired as they had been playing football for several hours. = Дети устали, так как они играли в футбол несколько часов.
10. He had been writing and tearing up more than one letter when at last he found the necessary form of address. = Он написал и порвал не одно письмо, пока , наконец, не нашел нужный стиль обращения.
11. Through the open window Ann could see the chair where her husband had been sitting the previous night. = Через открытое окно Анна видела стул, на котором всю предыдущую ночь сидел ее муж.
12. Carefully she closed the magazine, turning down the corner of the page that she had been reading. = Она осторожно закрыла журнал и завернула кончик страницы, которую она читала.
13. He sat opposite her and lifted the large glass of orange juice out of the ice in which it had been resting. = Он сел напротив нее и поднял большой стакан апельсинового сока со льда, где он стоял.
14. So he listened graciously when Ann ventured to put the question which had been revolving in her mind all the afternoon. = Он любезно выслушал вопрос, который Анна отважилась ему задать и который крутился в ее мозгу весь день.
15. He didn’t say where he had been sleeping and had the appearance of not sleeping at all. = Он не сказал где он спал и у него был такой вид, что он вообще не спал.