Подчеркните в каждом из предложений глагол-сказуемое и определите его видо-временную форму и залог. переведите предложения на язык. 1. the us environmental protection agency (epa) was established in december 1970, bringing together in a single agency the many federal programs to protect environment. 2. the biosphere is strongly affected by all sorts of human activity. 3. the problem has already been discussed at a large number of conferences. 4. scientists are studying various aspects of human biology and the origin and development of human race.
2. Is affected - passive voice, present passive (пассивный залог, простое настоящее время)
3. Has been discussed - passive voice, present perfect passive (пассивный залог, время - настоящее завершённое)
4. Are studying - active voice, present continuous (активный залог, время - настоящее длительное)
2. is affected(одна из форм страдательного залога)
3.has been discussed(одна из форм страдательного залога)
4.are studying (Pr. contin.)