Listen, read and tick. 1)It's 3.05.​

1. He studies ancient history in college.
2. He studies the history of Russia at the moment.
3. He taught history yesterday.
4. Yesterday at 6 pm he taught history.
5. He has been studying history for two years.
6. He just learned the topic of history.
7. Tomorrow he will learn five topics.
8. When I called him, he already learned two topics
9. When I called him, he taught the story for an hour and a half.
10. Tomorrow by 6 o'clock I will learn all the topics.
11. Tomorrow at 6 o'clock he will teach the history of Greece.
12. By the time my father arrives, I will study history for several hours.

1. Подлежащее: Making such experiments was not an easy task at that time.
2. Именная часть составного сказуемого: Her main task now is making this experiment.
3. Прямое дополнение: She began making this experiment yesterday.
4. Прямое дополнение: He likes making such experiments.
5. Предложное косвенное дополнение: I know of her making this experiment.
6. Определение: The idea of making this experiment belongs to my chief.
7. Определение: They need a unique instrument for making this experiment.
8. Обстоятельство: In making this experiment she used some new devices.
9. Обстоятельство: After On making this experiment she proceeded to describe the obtained data.
10. Обстоятельство: By making a lot of experiments he gains experimental skill.
11. Предложное косвенное дополнение: They cannot obtain the necessary data without making these experiments.