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Exercise 7. Transform the sentences into indirect speech and translate them:

  1. Jordano Bruno said: “The Earth comes round the Sun.”

  2. He asked: ”What was the origin of this idea?”

  3. The lecturer said: “Explain this rule to the class.”

  4. He said: “She failed to collect new facts.”

  5. The scientist suggested: “The data can be verified only by experiments.”

  6. They asked: “When did you test this weapon? ”

  7. He said: “You should revise your outdated ideas.”

  8. He asked: “What was the greatest discovery of the 20th century?”

  9. They asked: “Was the laboratory equipment replaced? ”

Exercise 8. Find a mistake in each sentence:

  1. He said that some scientists search for clues to the origin of the Universe.

  2. She told to us explain the law.

  3. They said that such ideas will not be scientifically proved.

  4. He asked how science differs from other types of knowledge.

  5. She asked where did he take this information from.

  6. She asked if good theories explain many facts.

  7. The student asked if the development of automobiles harm environment.

  8. He proposed to not be afraid of the new theory.

  9. He said that science have led to great progress.

  10. She asked if when they used logic in making discoveries.

Exercise 9. Translate the sentences:

Він сказав, що

наука застосовується у всіх галузях життя.

пошук рішень буде продовжуватися.

множину задач було вирішено.

дослідження ще не закінчене.

ви повинні пояснити теорію відносності.

Він запитав,

як ви досліджуєте цю проблему.

де ви збирали дані.

коли було підтверджено цю теорію.

як вона довела теорему.

який вплив зробила наука на його життя.

чи є життя на Марсі.

чи була помилка у доповіді.

чи було перевірено ці дані.

чи замінили устаткування.

чи перегляне він свою теорію

чи включать його до складу експедиції

Він попрохав

вирішити задачу.

упорядкувати матеріали.

уніфікувати завдання до контрольної роботи.

пояснити правило.

спостерігати за кількома експериментами.

провести дослідження швидше.

знайти ключ до рішення проблеми.

II. Compare Tenses. Past Simple - Present Perfect.

Past Simple

Present Perfect

I saw him five minutes ago.

I have seen him today.

I did not see him last year.

I have not seen him since last year.

I saw him at 5.

I have just seen him.

I saw him yesterday.

I have seen him.

Exercise 10. Choose the right form of the verb. Translate the sentences:

  1. The scientist (proved \ has proved) the theory already.

  2. He (observed \ has observed) this phenomenon for three weeks.

  3. She (solved \ has solved) the task today.

  4. The Moon (was explored \ has been explored) since 1970s.

  5. The data (were collected \ have been collected) last week.

  6. The rule (was explained \ has been explained) at the last lesson.

  7. The laboratory workers (tested \ have tested) the equipment for 2 weeks.

  8. Antibiotics (existed \ have existed) for many years already.

  9. This engineer (was replaced \ has been replaced) already in his position.

  10. His knowledge of the subject (expanded \ has expanded) when he learned this new information.

  11. He (determined \ has determined) the new properties of the object since the beginning of the experiment.

  12. These facts (were set apart \ have been set apart) never.

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