Exercise 1.
| Write various forms of the infinitive.
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a) Present Infinitive Passive (to translate – to be translated)
to detect
| to establish
| to predict
| to receive
| to verify
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to discount
| to observe
| to prove
| to suggest
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b) Present Continuous Infinitive Active (to translate – to be translating)
to add
| to describe
| to discover
| to record
| to utilize
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to compare
| to develop
| to gather
| to test
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c) Perfect Infinitive Passive (to translate – to have been translated)
to achieve
| to create
| to generate
| to represent
| to support
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to bring about
| to examine
| to provide
| to send
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d) Perfect Continuous Infinitive Active (to translate – to have been translating)
to accumulate
| to conquer
| to explain
| to improve
| to process
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to acquire
| to discuss
| to explore
| to participate
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Exercise 2.
| Find the infinitive in the sentences, define its form and function.
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1.
| To develop the supercomputer highly developed electronics and new materials were required.
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2.
| This method is not accurate enough to give reliable results.
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3.
| To explain this simple fact is not so easy.
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4.
| The question of the procedure is yet to be settled.
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5.
| The device to be tested has been made in our lab.
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6.
| To begin with, one must be curious about the world around him.
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Exercise 3.
| Use the correct form of the infinitive of the verb in brackets.
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1.
| Everything is just the way it used (be). Nothing seems (change).
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2.
| The money for charity is supposed (raise) by the organizers of the party.
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3.
| He admits (make) a similar mistake in his earlier publication.
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4.
| One can expect the scope of research (expand) steadily.
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5.
| The engineer made the reaction (run) at reduced pressure.
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6.
| These variations were found (make) little difference in the results.
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7.
| They claim (inform) of this possibility before the experiment.
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8.
| Science is known (contribute) to every aspect of people’s life.
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9.
| The product has been proved (affect) the overall yield.
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10.
| Nowadays we see many new areas of research (come) into being as a result of unexpected break.
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Exercise 4.
| Paraphrase the following sentences using the infinitive active or passive.
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1.
| She was sorry that she had missed so many classes before the exams.
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2.
| You should give this matter top priority.
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3.
| It has been found that semiconductors exhibit magnetic properties.
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4.
| We know that the first digital optical disks were produced in 1982 as disks for music.
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5.
| The scientist reported that he had spent six years on the problem.
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6.
| They should regard the study as contributing to fundamental knowledge.
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7.
| He was deeply disappointed that the final results of his research had turned out unsatisfactory.
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8.
| It is concluded that the model provides a very good fit to the experimental data.
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9.
| You should strictly define all the responsibility.
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10.
| Experience shows that this strategy has produced better results than more traditional one.
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Exercise 5.
| Use the infinitives given below as subjects:
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to explain
| to give up
| to know
| to lose
| to operate
| to see
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to explore
| to imagine
| to learn
| to mention
| to search
| to speak
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1.
| It is hard __ peaceful coexistence of nations without all-round scientific cooperation among the states.
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2.
| It is often difficult __ the long-term consequences of scientific advance and its applications.
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3.
| It takes time __ the subject - matter thoroughly.
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4.
| It takes long __ the possibility for using alternative sources of energy.
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5.
| It would be rather difficult __ this complex device.
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6.
| It appears advisable __ about an improved version of this method.
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7.
| It takes time __ this phenomenon.
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Exercise 6.
| Use the infinitives given below as predicates:
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to ask
| to deny
| to keep
| to produce
| to take
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to become
| to encourage
| to measure
| to reach
| to try
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to control
| to go on
| to offend
| to return
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1.
| The mission of scientists is __ knowledge.
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2.
| The new apparatus was __ all the temperature changes during the experiment.
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3.
| The main task of a scientific supervisor is __ his postgraduate students to do research.
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4.
| The important thing is __ a different approach to the problem.
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5.
| His aim is __ these preliminary calculations secret.
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6.
| The usual way to evaluate the electrical conduction properties in these connections is __ the contact resistance.
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7.
| Our plan is __ obtaining information from a server.
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Exercise 7.
| Use the infinitives given below as objects:
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to air
| to calculate
| to lock
| to promote
| to show
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to be
| to evaluate
| to measure
| to retire
| to verify
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to begin
| to give
| to obtain
| to see off
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1.
| Many subsequent researchers have attempted __ this micro-contact model.
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2.
| Today universities are interested __ the development of science and technology.
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3.
| A contact model for a rough surface with a soft coating was used __ the effective area in the study.
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4.
| A stereomicroscope was used __ the apparent contact area.
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5.
| A three-dimensional surface topography measurement system was conducted __ the pad surface roughness.
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6.
| The measured surface roughness was used … the effective contact area.
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Exercise 8.
| Paraphrase the following so as to use the infinitives as attributes.
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1.
| Technological developments have created the opportunity which frees mankind from arduous labour.
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2.
| Our ability which helps to communicate fast and easily has made life more enjoyable.
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3.
| The developed world has a responsibility which enhances partnership activities in science.
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4.
| The needs which improve performance and reduce chip size made copper replace aluminum interconnection for deep integrated circuits.
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5.
| There are many considerations that may be taken into account in determining space velocity.
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6.
| He was the first man who presented the case for this line of research.
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7.
| He was the first scientist who took the floor at this conference.
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8.
| There is one more important factor that can be considered.
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9.
| The researcher was the last who left the laboratory.
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Exercise 9.
| a) Answer the questions. Use the infinitive phrases given in brackets as adverbial modifiers of purpose.
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1.
| Why do scientists utilize existing knowledge in new scientific investigations?
| (to predict how things will behave).
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2.
| Why do scientists use mathematics?
| (to analyze the data and help them interpret their results).
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3.
| Why do scientists pursue research in basic science?
| (to satisfy the thirst for knowledge).
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4.
| Why do scientists conduct research in applied science?
| (to achieve some kind of practical or profitable gain).
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5.
| Why do scientists communicate their results with other scientists by publishing them in science journals?
| (to discuss findings and debate issues).
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6.
| Why do scientists employ methods of induction in developing a hypothesis?
| (to generalize from the experiment’s results to predict future outcomes).
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7.
| Why do scientists employ methods of deduction?
| (to infer new facts from experimental results).
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8.
| Why does this study measure the circuit contact resistance?
| (to evaluate the electrical conduction of various thermosonic wire bonding methods).
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9.
| Why was the micro-contact theory used?
| (to determine the effective contact area).
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10.
| Why did they propose the classical micro-contact model?
| (to describe the phenomena acting at the contact interface between two surfaces).
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| b) Use the infinitive as an adverbial modifier of purpose.
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1.
| Scientists use computers in order to …
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2.
| He had to work hard in order to …
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3.
| A number of devices were developed in order to …
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4.
| I’ll take a map so as not to …
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5.
| He left early so as not to …
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6.
| She set her alarm clock so as not to …
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7.
| He revised hard for the test in order to …
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8.
| Scientists used only local materials, in order to …
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9.
| Take special care of the accuracy of the calculation in order to …
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10.
| Consider the following analogy so as not to …
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Exercise 10.
| a) Combine the following pairs of sentences into one using the infinitive as an adverbial modifier of result. Use too or enough where necessary.
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1.
| The program is diversified. It can excite the interest of most graduate students.
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2.
| The concept was advanced. It could not be appreciated by contemporary scientists.
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3.
| The consequences were disastrous. They might exceed anything imaginable.
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4.
| The advantages of such an approach are evident. They could not be taken for granted.
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5.
| The theory is not detailed. It can’t give a complete description.
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6.
| This method is accurate enough. It can give reliable results.
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| b) Paraphrase the following sentences so as to use the infinitives of result.
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1.
| The analysis has been so extended that it can be taken into consideration.
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2.
| A new theory was so advanced that it could produce a revolutionary change in our understanding of the process.
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3.
| The paper is so detailed that it enables any other scientist to repeat the research.
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4.
| The technological advance was so great that it could make life easier or more enjoyable.
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5.
| The achievements of the past few decades are so great that science has come to occupy such an important place in the life of the society.
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6.
| The information was so valuable that it should be included in a scientific journal.
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Exercise 11.
| Translate into English.
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1.
| Вопрос был слишком сложным, чтобы решать его так поспешно.
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2.
| Он достаточно умен, чтобы понять это.
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3.
| Предположение было слишком неожиданным, чтобы его можно было принять во внимание.
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4.
| Проблема достаточно интересна, чтобы возбудить интерес исследователей.
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5.
| Данных было недостаточно, чтобы решить эту проблему.
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6.
| Это предположение не так важно, чтобы рассматривать его серьезно.
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7.
| Эта идея достаточно очевидна, чтобы воспользоваться ею.
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Exercise 12.
| Choose the correct variant. (Infinitive with to and without to).
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1.
| Scientists expect lasers (solve) the problem of controlled thermonuclear reaction.
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2.
| I heard this concept (mention) during the conference.
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3.
| Such information is unlikely (have been) available from the user.
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4.
| They were made (carry out) mathematical and statistical analysis.
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5.
| They made him (leave) the problem out of the scope of his research.
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6.
| Some people seem (be) disappointed with science.
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7.
| Laser is known (be) a device producing an intensive beam of light by amplifying radiation.
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8.
| We saw them (make) practical measurements using expensive equipment.
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Exercise 13.
| a) Make up sentences:
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Model:
| not easy / write instructions in Java
It’s not easy to write instructions in Java.
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1.
| expensive / set up a data-processing area
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2.
| advisable / test the programs under different conditions
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3.
| unusual / write a program that works correctly the first time it’s tested
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4.
| important / use a good debugger to fix errors
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5.
| easy / learn Visual BASIC
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| b) Choose the correct word (a-c) to complete these sentences.
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1.
| We use high-level languages because machine code is too difficult __, understand and debug.
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| a) read
| b) reading
| c) to read
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2.
| I went on the course __ how to be a better programmer.
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| a) learn
| b) to learn
| c) for to learn
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3.
| He refuses __ the project with me.
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| a) do
| b) doing
| c) to do
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4.
| The engineers warned the employees not __ the cables.
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| a) touch
| b) touching
| c) to touch
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5.
| They may not __ to the conference.
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| a) come
| b) coming
| c) to come
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6.
| Spyware can make your PC __ more slowly.
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| a) perform
| b) performing
| c) to perform
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7.
| The program is too slow __ the simulation.
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| a) do
| b) to do
| c) for doing
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