Вследующих предложениях подчеркните глагол-сказуемое, определите его видовременную форму и залог. 1. before john celebrated his 26th birthday, he had started his own company. 2. the world’s leading gas and oil exporter has become one of the most attractive markets in the world. 3. the company has been dealing in car sales for many year

1. Before John celebrated (Past Simple Active) his 26th birthday, he had started (Past Perfect Active) his own company. 2. The world’s leading gas and oil exporter has become (Present Pefect Active) one of the most attractive markets in the world. 3. The company has been dealing (Present Pefect Countinuous Active) in car sales for many years.