Выделите инфинитивную конструкцию complex subject в предложениях. 1. he is said to know everything about the history of railways. 2. a great number of new wagons is planned to be produced in the year to come. 3. the diesel and the electric locomotives proved to have some common features. 4. some old steam locomotives are reported to be still operational on tourist routes in russia. 5.trains happen to collide even on the best railroads. 6. long-welded rails are considered to improve the track riding qualities. 7. a new industrial siding is expected to go into operation in several months. 8. some trains are known to run only in daytime. 9. traffic capacity of railways is reported to have been increased by introducing automatic train control systems. 10.the diesel trains are likely to be more economical on the lines with light traffic.

1. He is said to know everything about the history of railways.
2. A great number of new wagons is planned to be produced in the year to come.
3. The diesel and the electric locomotives proved to have some common features.
4. Some old steam locomotives are reported to be still operational on tourist routes in Russia.
5. Trains happen to collide even on the best railroads.
6. Long-welded rails are considered to improve the track riding qualities.
7. A new industrial siding is expected to go into operation in several months.
8. Some trains are known to run only in daytime.
9. Traffic capacity of railways is reported to have been increased by introducing automatic train control systems.
10.The diesel trains are likely to be more economical on the lines with light traffic.