Task 3. Прочитайте следующие предложения. Найдите в каждом из них группу «подлежащие – сказуемое», определите время и залог сказуемого. Составьте все типы вопросов к предложениям. 1. Gas industry is still a system-forming industry. 2. The Russian oil industry presents tremendous opportunities for firms. 3. The development of the Russian oil and gas industry began in the mid-19th century. 4. The oil and gas industry is being regarded as one of the most important sectors of the economy. 5. In the future gas will remain a major source of foreign currency revenue generated by Russian export. 6. For a long time Russian oil industry has developed very intensively. 7. Since 1986, oil prices have been marked by volatility. 8. Gas Industry can initiate a breakthrough into a new technological era.