Поставьте каждое предложение в вопросительную и отрицательную форму.
1.The man is a station master. They are platelayers.
2.She is a train guide. The platelayers are on the track.
3.The schedule is correct. You are railway builders
4.The Browns are in the 1-st class sleeping car The electrician is in the shop
5.He is at the railway station Heavy locomotives are in the depot
6.He is a good inventor These locomotives are suitable for service
7.Railroads are the safest means of travel The freight train is heavy and slow.