Упражнения. I. Найдите в предложениях сказуемые в Present, Past и Future Indefinite

I. Найдите в предложениях сказуемые в Present, Past и Future Indefinite. Переведите предложения.

1. At the University the students learn many different subjects. 2. They moved into a new comfortable flat last year. 3. The process of reconstruction takes a lot of time and needs qualified workers. 5. These two forces acted in the same direction in our experiment. 6. The development of physics resulted in the appearance of today's cinema, television, radio and so on. 7. When you come to the laboratory tomorrow our collegues will be demonstrating the results of their experiments. 8. These forces will cause displacement of the body. 9. This young scientist made a great contribution to mathematics. 10. The scientist published the results of his in­vestigations. 11. They determined the substance temperature before the test. 12. We shall discuss the new material properties at the next lecture.

II. Поставьте предложения в отрицательную и вопросительную форму.

1. He started his investigations of the properties of a new compound. 2. This plant will produce a new type of equipment. 3. The academic year consists of two terms. 4. The

Таблица 13

Времена группы Indefinite (Active)

	Present Indefinite	Past Indefinite	Future Indefinite
+	I (we, you, they) build houses. He (she, it) builds houses.	I (he, she, it, we, you, they) built houses. lived here.	I (he, she, it) will build houses. We (you, they) willlive here.
-	I (we, you, they) don’t build houses. He (she, it) doesn’t build houses.	I (he, she, it, we, you, they) didn’tbuild houses. didn’t live here.	I (he, she, it, we, you, they) will not (won’t) build houses. will not (won’t) live here.
?	Do you (I, we, they) build houses? Does he (she, it) build houses?	Did you (I, he, she, it, we, they) build houses? live here?	Will you (I, he, she, it, we, they) build houses? live here?

Времена группы Continuous (Active): (to be+ Participle I)

	Present Continuous	Past Continuous	Future Continuous
+	He (she, it) is building a house. We (you, they) are building a house.	I (he, she, it) was building a house. We (you, they) were building a house.	I (he, she, it, we, you, they) will be building a house.
-	He (she, it) isn’t building a house. We (you, they) aren’t building a house.	I (he, she, it) was not building a house. We (you, they) were not building a house.	I (he, she, it, we, you, they) won’t be building a house.
?	Is he (she, it) building a house? Are we (you, they) building a house.	Was she (I, he, it) building a house? Were we (you, they) building a house?	Will he (I, she, it, we, you, they) be building a house?

Таблица 14

Времена группы Perfect (Active): (to have + Participle II)

	Present Perfect	Past Perfect	Future Perfect
+	He (she, it) has built the house. has translated the text I (you, we, they) have built the house. have translated the text.	I (he, she, it, we, you, they) had built the house by May. had translated the text when you came.	I (he, she, it, we, you, they) will have built the house by May. will have translated the text when you come.
-	He (she, it) hasn’tbuilt the house. hasn’t translated the text . I (you, we, they) haven’t built the house. haven’t translated the text.	I (he, she, it, we, you, they) hadn’t built the house by May . hadn’t translated the text when you came.	I (he, she, it, we, you, they) won’t have built the house by May. won’t have translated the text by Monday.
?	Has he (she, it) built a house? translated the text? Have you (I, we, they) built the house? translated the text?	Had he (I, she, it, we, you, they) built the house by the end of the year? translated the text by Monday?	Will I (he, she, it, we, you, they) havebuilt the house…? have translated the text…?

Времена группы Perfect Continuous (Active): (to have been + Participle I)

	Present Perfect	Past Perfect	Future Perfect
+	He (she) has been building houses since 1991. I (we, you, they) have been building houses for 15 years.	not used	not used

development of machine-tools accelerated the industrial revo­lution. 5. A lot of foreign citizens enter our University every year. 6. The stuff of the laboratory finished the work on the apparatus. 7. They will conduct the experiment in the best laboratory. 8. Our chief engineer spends much time on the site. 9. It took much time to cross the Atlantic in the 19th century. 10. The students of our department attend their lectures mostly in the morning. 11. The investors will furnish our laboratory with up-to-date equipment.

12. The scientist obtained similar results in all the experiments.

III. Поставьте глаголы в Present, Past или Future Indefinite. Переведите предложения.

1. The development of many sciences (to depend) on the knowledge of physical phenomena. 2. The workers (to complete) the construction of this modern house in a month. 3. During our last experiment we (to keep) the temperature at the point of 20 degrees. 4. Last century scientists (to make) a close study of the structure of natural rubber. 5. We (to conduct) the experiments in the laboratory when the new term begins.

6. Many factors (to influence) the intensity of this process. 7. All over the world architects widely (to use) concrete for bridge construction. 8. The street (to be) so narrow that we (to have) to widen it next year. 9. He (to be interested) in motor cars in his childhood. 10. The results of his last experiment entirely (to prove) his theory. 11. Everybody (to consider) his invention useless at that time. 12. Our power station (to produce) a great deal of electricity every year. 13. Some inventors (to suppose) that in the future we (to use) trains without drivers.

IV. Найдите в предложениях сказуемые в Present, Past и Future Continuous и переведите их. Сравните употребление времен групп Indefinite и Continuous.

1. They always test new equipment in their laboratory. 2. Don’t enter. The engineer is testing the new equipment. 3. When the students arrived the professor was carrying out an experiment. 4. Our professor often carries out his experiments with his students’ assistance. 5. The students of our group will be taking their English exam on Monday. 6. The students of our University usually pass their exams well. 7. He used some special instruments while he was repairing the new device. 8. He repaired the damaged device himself. 9. The members of the Students’ Council discussed this question yesterday. 10. We were discussing our plans from 2 p.m. till 4 p.m. yesterday. 11. While we were taking measurements the engineer was making calculations. 12. At first we took measurements and then we made calculations. 13. The engineer was instructing the workers when the trucks brought cement to the site.

V. Поставьте предложения в отрицательную и вопросительную форму.

1. We are translating the article into Russian. 2. They are conducting an important experiment in the laboratory now. 3. He will be making his report at 2 o’clock tomorrow. 4. The designers were estimating the construction cost for a week. 5. The students are having their preliminary in English now. 6. The scientist is experimenting with new construction materials. 7. We were taking calculations for the new bridge during our summer practice. 8. The population of the city is steadily growing. 9. The workers will be unloading the trucks after lunch. 10. He is laying bricks very quickly and carefully.

VI. Поставьте глаголы в соответствующее время группы Indefinite или Continuous. Переведите предложения.

1. We (to translate) the article during the whole lesson yesterday. 2. We usually (to translate) texts using special dictionaries. 3. The students usually (to write) their final tests at the end of each term. 4. The students (to write) their final test. Keep silence.

5. When you (to come) in an hour we (to discuss) the results of the test. 6. I (to look) up the words in the dictionary while he (to read) the text. 7. The teacher (to explain) this grammar rule at the last lesson. 8. The teacher (to explain) the new grammar rule when I (to come) in. 9. During some decades of the last century scientists (to try) to explain this unusual phenomenon. 10. A true scientist always (to try) to explain unusual phenomena. 11. This plant (to produce) various kinds of instruments. 12. This plant (to produce) new kinds of instruments every year. 13. Today scientists still (to look) for the new sources of energy.

VII. Найдите в предложениях сказуемые в Present, Past и Future Perfect и переведите их. Сравните употребление времен групп Indefinite и Perfect.

1. I finished school last year. 2. I have already finished school. 3. The students passed their first exam yesterday. 4. The students have passed their exams lately. 5. The students had passed the exam when the dean came. 6. Our family moved into a new comfortable flat two years ago.7. They have just moved into a new comfortable flat.

8. The scientific journal published this article last May. 9. The scientist has published the results of his in­vestigations. 10. He will present his report at the end of the term.

11. He will have presented his report by the end of the term. 12. They didn’t receive any positive results last time. 13. They haven't received any good results. 14. If the engineer makes all the necessary calculations he will start his experiment. 15. After the engineer had made all the necessary calculations he started his experiment. 16. Did they install the new equipment in the laboratory yesterday? 17. Have they installed the new equipment in the laboratory yet?

VIII. Переведите предложения, обращая внимание на различные способы перевода сказуемых в Perfect.

1. We have already mentioned these facts in our report. 2. The output of this factory has greatly increased recently. 3. The students had translated the text by the end of the lesson. 4. The lab assistant will have prepared the laboratory by the beginning of the experiment. 5. He has not seen his students since they graduated from the university.

6. Before the Exhibition closes a lot of people will have attended it. 7. The scientists have never referred to these phenomena. 8. They have worked for three years to improve the quality of the road materials. 9. After we had determined the main properties of the substance we could use it in our experiment. 10. The workers will have finished the construction when the commission arrives. 11. A number of scientists have supported this suggestion. 12. The new construction method has attracted much attention. 13. This research combined with many others has provided valuable information on the problem in question. 14. You cannot use the tools until you have sharpened them. 15. We had analyzed a number of compounds before we could choose the most suitable one. 16. Scientists of different countries have dealt with the problems of air pollution for a long time.

IX. Поставьте глаголы в соответствующее время группы Indefinite или Perfect. Переведите предложения.

1. They (to obtain) the positive results after they (to install) more powerful equipment. 2. The mechanic (to repair) the engine before you come. 3. They (to carry out) the experiment successfully yesterday. 4. We (to return) just from the international conference. 5. The students (to determine) the melting point of the metal before they (to apply) it in their experiment. 6. He (to make) his first invention many years ago. 7. Our road engineers (to test) already the new paving materials. 8. By the time you complete the calculations we (to finish) our experiment. 9. He (to have) a bad road accident some years ago. 10. You may take your car. I (to check) the brakes and the oil level. 11. The workers (to mix) the concrete before they (to pour) it into the formwork. 12. Don’t try to put the fire out until you (to call) for help. 13. The population of our city greatly (to increase) recently. 14. They (to reconstruct) the main road by the end of the next year. 15. The new road (to connect) the city centre with the industrial districts.

X. Найдите в предложениях сказуемые в Present, Past и Future Perfect Continuous и переведите их. Сравните употребление времен.

1. The engineer tests the apparatus every week. 2. He is testing the apparatus at the moment. 3. The engineer has been testing the apparatus for five hours. 4. We shall discuss the test schedule tomorrow. 5. We shall be discussing the test schedule at this time tomorrow. 6. We shall have been discussing the test schedule for an hour when you come. 7. The students were taking measurements when the teacher came. 8. The students had been taking measurements for half an hour when the teacher came. 9. The students had taken measurements before the teacher came. 10. Hurry up! Everybody is waiting for you. 11. We had been waiting for ten minutes when you came. 12. Keep silence. The students are taking their English exam. 13. They still will have been taking the exam when you come.