Неличные формы английского глагола. Коптева Н.Ю. - 67 стр.

VIII. Express agreement with the following statements. While doing
     that use Partici ples instead of the subordinate clauses. Use «Quite
     so» as an opening phrase. Follow the model.
     Sp.: As these quantities had been measured with great accuracy
          they were of great significance.
     St.: Quite so. Having been measured with great accuracy these
          quantities were of great significance.
     1. After the descri ption had been simplified it became more
        convenient to use.
     2. As the value had been calculated correctly it could be used by
        many scientists.
     3. After the results had been generalized they were reported in
        this scientific magazine.
     4. After the results obtained had been published they gave rise to
        interesting response.
     5. As the experimental techniques had been refined they could be
        used for this kind of investigation.
     6. As the new method had been used it made possible to study
        the strong interactions between particles in detail.
     7. After the results had been analyzed they were reported to be
        precise.
     8. After these values had been determined experimentally they
        were reported to be in agreement with theoretical predictions.
IX. Express the opposite. Use «You are not right saying that» as an
    opening phrase. Make the sentences positive and restate them.
    Follow the model.
    Sp.: When we extend such theories to higher energies we are not
          obliged to include all other particles and interactions.
    St.: You are not right saying that. When extending such theories
         to higher energies it is necessary to include all other particles
         and interactions.
     1. When we deal with such problems we are not obliged to use
        strictly accurate values.
     2. When we explain physical effects \we are not obliged to take
        into account all the experimental results.
     3. When we conduct such experiments we are obliged to choose
        the materials carefully.

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