Условие задачи
Перепишите следующие предложения; подчеркните в каждом из них глагол-сказуемое, стоящее в Perfect, и определите его временную форму (Present, Past или Future) и залог (Active или Passive). Переведите предложения на русский язык.
1. Our research had been finished by the end of the year.
2. By the beginning of the year their new office will have been built.
3. We have just received your letter.
Ответ
1. Our research had been finished (Past Passive) by the end of the year.
К концу года наше исследов...