Неличные формы английского глагола. Коптева Н.Ю. - 31 стр.

                The Infinitive Constructions

           The Subjective Infinitive Construction
Exercise 1. Change the sentence to use Complex Subject.
Pattern: It seems that the walls are nearly straight.
         The walls seem to be nearly straight.
1. It appeared that the etectroscope leaf remained fixed.
2. It seems that free electrons have left positives in the inside
   unneutralized.
3. It happened so that the non-conductor acquired a static charge.
4. It proves that the charge is distributed according to surtace
   curvature.
5. It appears that the positives left in the inside have been
   neutralized.
Exercise 2. Change the sentence according to the expression
             suggested. Use this expression in Present Indefinite.
1. The ball is charged from another source. (be said)
2. The demonctration of the distribution of charge involves a
   hollow metal container. (be likety)
3. Two metal spheres A and B are touching each other. (seem)
4. Both spheres are left with their respective charges. (be supposed)
5. The scientist has demonstrated charging by induction quite
   recently. (be unlikely)
6. The ball is moved around inside the pail. (be sure)
Exercise 3. Change the sentence as given in the pattem.
Pattem: The negatives seem to neutralize a few positives when
         the ball touches the pail.
         It’s wrong.The negatives don’t seem to neutralize a few
         positives when the ball touches the pail.
1. The charge proved to have spread uniformly over any kind of
   surface.
2. The charge appears to be concentrating more where the walls
   are nearly straight.
3. The negative charge happened to be distributed on the entire
   surface after the ball was removed.
4. The number of induced positives proves to be unequal to the
   number of negatives on the wall.

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