В следующих предложениях подчеркните глагол-сказуемое, определите его видовременную форму и залог. .1. Before John celebrated

1. Before John celebrated his 26-th birthday, he had started his own company. Celebrated - Past Simple Active Voice. Had started - Past Perfect Active Voice. 2. The world’s leading gas and oil exporter has become one of the most attractive markets in the world. Has become - Present Perfect Active Voice. 3. The company has been dealing in car sales for many year. Has been dealing - Present Perfect Continuous Active Voice.