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be excellently laid and carefully maintained. 4. To increase the speed of
trains is a complicated problem. 5. The linear electric motor to be used on the
Japanese railways will greatly increase the speed of trains. 6. The new
instruments to be introduced on the substations will increase the reliability of
the electric machines and the auxiliary apparatus. 7. It should be noted that
speed control devices are used to provide definite speeds under certain
conditions. 8. An electric locomotive contains electrical control equipment
needed to control the electrical energy supplied to the motors. 9. Passenger
and freight traffic is supposed to increase.
Exercise 14. Choose the form of infinitives in the following sentences with the
help of the table given below.
The Infinitive
Active
Passive
Indefinite
to take
to be taken
Perfect
to have taken
to have been
taken
Continuous
to be taking
Perfect Continuous
to have been taking
1. She was believed (to feel) unwell for some time.
2. He seems (to read) a lot. He seems (to read) now. He seems (to read)
since morning. He seems (to read) all the books in the library.
3. I want (to take) you to the concert. I want (to take) to the concert by my
father.
4. I am glad (to do) all the work yesterday.
5. She seems (to work) at this problem ever since she came here.
6. I am sorry (to break) your pen.
7. He began writing books not because he wanted (to earn) a living:he
wanted (to read) and not (to forget).
8. He seems (to know) French very well: he is said (tospend) his youth in
Paris.
9. The woman pretended (to read) and not (to hear) the bell.
10. They seemed (to quarrel): I could hear angry voices from behind the door.
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