1. Insert articles where necessary.1. The second law gives a valuable means for measuring forces.2. Any change in motion of a body is in proportion to the force pressing on it. 3. “Principia” was later on called … greatest product of … single human race. 4. At … age of 12 Newton was sent to school, seven miles away from … his home to continue his education.5. On the Earth’s surface, however, it is difficult to demonstrate fully the first law of motion. 2. Fill in the blanks with the prepositions (of, in, with, at, on, through, from). 1. Newton’s interests were centered … mathematics and mechanics and … studying different phenomena … Nature. 2. The first proof of the first law is found … the movement of the heavenly bodies, which meet practically no friction … their traveling … space. 3. The second law allows scientists to measure the force of gravitation … any point … the Earth’s surface. 4. When you press a stone … your finger, your finger press back … the stone. 5. … his three laws … motion Newton established the framework for the general study of motion … terms of mass and force. 3. Translate the following sentences paying attention to the words in bold type, that can be different parts of speech. 1. They determined the speed of the body using a well-known formula. 2. The car speeded along the road. 3. The atoms speeded by a cyclotron impart their velocity to other atoms. 4. Under the influence of the force F the body will start into uniformly accelerated motion. 5. The force influences the body which starts moving. 6. No force of gravitation influences bodies in space. 4. Choose the word combinations which can be predicates. Is called, have been derived, derived substances, living matter, is living, will be associated, have been studied, has studied, were included, are being identified, identified substances, have been replaced, shall be devoted, the names given, is known, is represented, represented the Institute. 5. Translate the sentences paying attention to the use of the Present Perfect. 1 .I’ve read a very interesting book. 2. You say you haven’t seen Bob for a long time It’s a pity. 3. The students have already done their laboratory work. 4. We’ve just discussed some important problems. 5. What are your plans for summer? – I haven’t thought about them yet. 6. Translate the sentences paying attention to the use of the Past Perfect. 1. We had finished Chapter I by the end of the 1st term. 2. The doctor had examined the patient before he was allowed to work. 3. The tourists had seen a lot of sights by their departure. 4. When he came downstairs he saw everybody had already left. 5. It was clear that the student had read a lot of scientific articles for his report. 7. Translate the sentences paying attention to the use of the Future Perfect. 1. I’ll have finished reading by the time you come. 2. You’ll have studied the map of London by the end of the lesson. 3. By the end of our meeting we’ll have settled all the questions. 4. When their mother arrives they will have moved to the new flat. 5. He will have published his new book by this time next year. 8. Choose the sentences with the Perfect Tenses in the Passive Voice. 1. The paper has been published. 2. The paper was published yesterday. 3. The paper was being published yesterday. 4. The letter will be sent tomorrow. 5. The letter will have been sent tomorrow by 7 o’clock. 6. The paper had been published by 7 o’clock yesterday. 9. Arrange the predicates according to the Voice (Active, Passive).Will form, will be established, will associate, will have been carried off, will be vanishing, will have been running, shall divide.
