Theme VI. In the chemical laboratory

Exercise 17. Form passive structure.

Exercise 16. Write passive sentences.

Exercise 15. Name the tense and translate.

1. The work at the botanical stations helps students acquire deep knowledge of botany and pharmacognosy.

2. Chemical and physical properties of inorganic substances were studied during practical classes in chemistry.

3. Each period of development of medicine contributed to the store of medical knowledge.

4. Thousands of future specialists are trained at the higher educational establishments.

5. The industrial revolution of the last century gave birth to synthetic organic chemistry.

1. Chinese (speak) in Singapore.

2. The Taj Mahal (build) around 1640.

3. She (interview) now.

4. I realized I (follow).

5. He found that all his money (steal).

6. These computers (make) in Korea.

7. Sorry about the noise – the road (mend).

8. The village church (burn down) last year.

Example: The students listened to the lecture with great attention. -

The lecture was listened to (by the students) with great

attention.

1. They carry out different experiments in the chemical laboratory.

2. After each lesson we ventilated our classes.

3. The students place laboratory vessels on the table.

4. After the experiment was over we recorded all the findings.

5. Fahrenheit introduced a new scale into the experimental work in the seventeenth century.

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