Вследующих предложениях подчеркните глагол-сказуемое, определите его видо-временную форму и залог : 1. the market for digital cameras was researched last year and the findings are reported in the survey. 2. prices have fallen in the food business, because of advances in distribution technology. 3. the car business has a serious problem: it is producing too many cars.
2. Have fallen - Present Prefect
3. Has - Present Simple / Is - Present Simple.