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

1. Petroleum engineering requires a good knowledge of many other related disciplines.

2. Midstream operations are usually included in the downstream category.

3. Petroleum engineering has become a technical profession.

4. Petroleum is vital to many industries.

5. The petroleum industry includes the global processes of exploration, extraction, refining, transporting and marketing petroleum products.