3. Translate the sentences. Pay attention to the modal verbs, functions of the verbs "to be", "to have":

1. First you must study the laboratory instruction and only then you can begin the experiment.

2. This plant is to begin its work at the end of the month.

3. At this signal, the operator is to start the machine.

4. My friend and I are going to prepare for our studies in the reading room.

5. He has to come to the reading room in time.

6. You should read the text again.

7. The engineer has to come to the shop as soon as possible.

8. The company has to construct the factory in a year.

9. They have the radio-set and can radio their commands to the radio station.

10. Our aim is to accomplish this task as soon as possible.

11. Smoking is dangerous.

12. They have already passed the exams.

13. He had to work hard to complete the work in time.

14.-Must we go to the institute today? -No, you need not.

15. This device can fulfill this operation.

7. Read the following sentences and say which of them are in the Active and which are in the Passive Voice. Translate them.

1. Trains, airplanes and ships are equipped with various elec­tronic devices.

2. Many thousand years ago the Greeks also used a foot meas­ure.

3. At the institutes the students are taught many different sub­jects.

4. The academic year is divided into two terms.

5. The first iron bridge was built in 1778.

6. The student was asked many questions at the examination of physics.

7. At present they are studying various aspects of this problem.

8. The student was carrying out this experiment for twenty minutes.

9. This text has just been translated.

10. This question has already been discussed at the conference.

11. This problem will be dealt with in the next chapter.

12. Now solar energy is being studied by a lot of research groups.

7. Read the dialogue; fill in the blanks:

A. Do you know that up to the latest decades two systems of

was preferred in most countries.

1. Was the system used in France?

2. Yes, . However, it is interesting to note

that the meter was first proposed by the French government in 1799, but the metric system in France was introduced only in 1840.

1. And what system is used in the United States?

2. Although the United States used the English system of meas­ure, American scientists also used the metric system, as well as CLS system.

1. Why is it so?

2. The metric system has advantages over the English, for its divisions are based on the multiple of ten. This makes computa­tion very easy,

9. Put 5 questions to the Text. Ask your partner the questions.

10. Imagine that you are to make a report. While preparing it use the following plan:

1. Three kinds of energy.

2. Their sources.

3. Their advantages.

4. Their disadvantages.