5. Прочитайте следующие предложения. Найдите в каждом из них группу «подлежащие – сказуемое», определите время и залог. Составьте все типы вопросов к предложениям.

1. As for gases and liquids, any chemically stable substance can be sent through a pipeline.

2. Mendeleev first suggested using a pipe for transporting petroleum.

3. Oil pipelines are made from steel or plastic tubes.

4. Crude oil contains varying amounts of wax.

5. There is some argument as to when the first crude oil pipeline was built.

6. Pipeline transport is the transportation of goods through a pipe.

7. Preparation of the pipeline route was started on April 10, 1946 near the Subkhankulovo village.

8. The history of pipeline transport of Russia has gone through main changes.