Употребите следующие предложения во всех формах страдательного залога. Выберите соответствующий индикатор времени. 1. Dinner (be cooked) by mother. 2. This problem (be discussed) by the students. 3. A new grammar rule (be explained) by the teacher. 4. The poem (be learnt) by the pupils. 5. A beautiful piece of music (be played) by the pianist. 6. The suit (be made) by a tailor. always; usually; often; in 1997; yesterday; at 5 o'clock yesterday; tomorrow; the day after tomorrow; in a week; next Monday; at 5 o`clock tomorrow; now; at this moment; during the break; when he comes in; just; today; this year; last week; by five o`clock; before his parents came; before Chistmas; by the end of the month.