Put down the tense forms of the verbs

Времена глагола

The Uerb

Местоимение one

Значения one	Примеры	Перевод
... один из...	Nuclear energy is one of the forms of energy.	Ядерная энергия -J одна из форм энергии.
Заменитель ранее упомянутого сущест­вительного	The old turbine was a water turbine and the new one is a steam turbine	Старая турбина бы­ла водной турбиной, а новая - паровая тур­бина.
Неопределенно-личное подлежащее	One should control the chain reaction.	Следует контроли­ровать цепную реак­цию.

17. Translate the sentences. Mind one.

1. The second sputnik was launched about a month after the first one.

2. There are many insulating materials from which one may choose.

3. Some substances are efficient conductors, others, poor ones.

4. One uses special devices to measure current, voltage, and resistance.

5. The new method proved to be much more efficient than the old one.

6. One knows that these installations do not operate on nuclear power.

7. One must choose only one of those variants.

Глагол The English Tenses

Active Voice Действительный (активный) залог

В и д	ВРЕМЯ
Present	Past	Future
Indefinite	supply supplies	supplied	shall will	" supply
Continuous	ami is r supplying are J	was were.	► supplying	shall will,	* be supplying
Perfect	have has t	* supplied	had supplied	shall! r have supplied will J
\ Perfect Continuous	have has j	'been supplying	had been supplying	shalf will.	► have been supplying

18. State the tense forms of the following verbs.

Model: link - Present Indefinite (active voice)

does not link - Present Indefinite (negative form)

is circulating, have not moved, transmits, emitted, did not emit, has burnt, will not operate, act

-98-

Model: to lower - Pres. Per/ have (has) lowered

to heat - Past Indef. -___________

to discharge - Pres. Contin. -___________

to remove - Pres. Perf. -

to burn - Pres. Perf. Contin. -

to waste - Future Ind. -

to demand - Past Perf. -

to move - Future Perf. -

20. Translate these negative sentences into Russian. What is the difference
between the English constructions and the Russian ones?

1. No charges can move in an open circuit.

2. Nothing less than a map of the Universe is planned by the research.

3. No special equipment is necessary to carry out the experiment.

4. A current which does not change its polarity is called a direct current.

5. A dry battery is a type of a small battery containing no free liquid.

6. The efficiency of a machine can never be greater than unity; it is often given as a percentage.

7. A fast reactor is a reactor in which little or no moderator is used and in which, therefore, the nuclear fissions are caused by fast neutrons.

8. Electrically safe locations are those where conditions causing extremely high danger of electric shock do not exist.

9. No electric device has only advantages. All of them have also disad­vantages.

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