Неличные формы английского глагола. Коптева Н.Ю. - 84 стр.

X.   Define the forms and functions of the Gerund. Translate the
     sentences into Russian. (see the key on page 92)
     1. The main point of a transformer is changing voltage although
        the power of both sides of the transformers is equal.
     2. We know of the velocity of electromagnetic waves changing
        when the wave front crosses a boundary between two media.
     3. After introducing new technology in that branch of industry
        some changes must be made as soon as possible.
     4. The ratio is determined by dividing the value of the velocity
        or pressure at the point nearer the transmitting end by the
        value of the velocity at the point most remote.
     5. The fact of a new device having provided the means of silencing
        the airplane noise was a new step in the development of
        aviation technique.
     6. In passing from the nozzle through one set of blades the
        velocity of the steam is lowered.
     7. We were informed of a new record of a non-stop flight having
        been established.
     8. That failure was due to the designer’s having been somewhat
        careless, although we must confess the conditions were
        unfavourable.
XI. State whether the «-ing» forms are the gerund or the verbal noun.
    Give your reasons.
    1. The engineer found a new method of testing metal fatigue.
    2. The rising of water in the pump was noticed by everybody
       present.
    3. The rapid falling of pressure has its drawbacks.
    4. One of the most striking characteristics of modern science has
       been the increasing trend towards closer cooperation between
       scientists and scientific institutions all over the world.
    5. The purpose of these readings is to consolidate and extend the
       knowledge and use of the scientific English which the students
       have acquired for these years.
    6. The common automobile speedometer is a tachometer whose
       readings are proportional to the instantaneous angular velocity
       of the drive shaft to which it is connected.
    7. This splitting of the hydrogen molecule is attended by the
       absorption of a large amount of energy.
    8. The effect of this shaping of the duct is to build up the
       pressure of the air whilst decreasing its velocity.
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