Неличные формы английского глагола. Коптева Н.Ю. - 50 стр.

     6. to practise reading English newspapers and magazines.
     7. to learn systematically.
III. Say what your English teacher made you do. Follow the model.
     Sp.: to translate this difficult article once more.
     St.: My English teacher made me translate this article once more.
     1. to speak much louder.
     2. to become industrious.
     3. to attend the lessons regularly.
     4. to come to the lessons in time.
     5. to take part in the conference.
     6. to give consequent answers to her questions.
     7. to realize the importance of this subject.
     8. to follow his instructions in every particular.
IV. Restate the following sentences using a subordinate clause instead
    of the infinitive constructions, use the suggested verbs. Follow the
    model.
    Sp.: There are some points to be remembered when using this
          equation. (should)
    St.: There are some points which should be remembered when
         using this equation.
     1. The properties of the substances to be studied are interesting. (will)
     2. All the considerations to be given here are consistent with the
        relativity theory. (will)
     3. There is no significance to be attached to an imaginary number.
        (can)
     4. The results to be obtained by this procedure will be impotent. (will)
     5. These are the substances to be distinguished. (should)
     6. We work with the systems to be operated at carefully temperatures.
        (must)
     7. The materials to be required for our investigation are difficult
        to get. (will)
V.   Define active and passive forms of the Infinitive used with modal
     verbs. Translate the sentences into Russian (see the key on page 87).
     1. We should prove the following proposition. Since there is no friction
        the object should come back with neither higher nor lower
        velocity — it should be able to keep going around and around.


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