I. Перепишите следующие предложения, определите в каждом из них видо-временную форму и залог глагола-сказуемого.
1.When much material had been looked through the article about Canada was
published.
2. Canada was ruled by Britain completely until 1867.
3. New hydroelectric stations were being built at that time in Canada.
4. Queen Elizabeth II of the United Kingdom is recognized as Queen of Canada.
5. Several new buildings will have been completed in Canada by the end of the current year.