Преобразуйте действительную конструкцию в страдательную форму. 1. The teacher explains new material every day. 2. The

1. The teacher explains new material every day. — New material is explained by the teacher every day. 2. The teacher is explaining new material now. — New material is now being explained by the teacher. 3. The teacher has explained new material. — New material has been explained by the teacher. 4. The teacher has been explaining new material for 15 minutes. — New material has been being explained by the teacher for 15 minutes. 5. The teacher will explain new material tomorrow. — New material will be explained by the teacher tomorrow. 6. My friend keeps two dogs. — Two dogs are kept by my friend. 7. The veterinarian examines the horse. — The horse is examined by the veterinarian. 8. The scientist proved cell division in this disease. — Cell division in this disease was proved by scientists.