И. А. Курбасова Е. И. Силантьева

Урок 13
Грамматика: Сложное сказуемое типа "is known (seems) to have" (§ 43).
вводные упражнения К тексту а
1. Переведите предложения со сложным сказуемым,обращая внимание на форму инфинитива;

Образец: Rectifiers are known to be instruments which

transform a.c. into d.c. Выпрямители, как

известно, являются приборами, которые пре-

образуют переменный ток в постоянный (Из-

­ вестно, что выпрямители ...).

The Soviet Union is known to have made a re-

markable advance in power engineering. Совет-

­ ский Союз, как известно, сделал замечательные

успехи в области энергетики (Известно, что

Советский Союз ...).

1. The diesel engine is known to be the most efficient prime mover among all heat (тепло) engines. 2. Railways are expected to compete with other modes of transport in the future. 3. A speed of 233 kph was reported to have been attained on the experimental section. 4. The current appears to flow only if there is a complete circuit. 5. Trains happen to collide even on the best railroads. 6. The diesel and the electric locomotives proved to have some common features. 7. The self-propelled diesel trains are likely to be more economical to employ on lines with light traffic.