The letter has been sent today. the book was written by pushkin. the children returned from school. who is singing in the next room? определите временную форму глагола и залог. переведите предложения.

The letter has been sent today. pres perf pass
The book was written by Pushkin. past simp pass
The children returned from school. past simp
Who is singing in the next room? pres cont
Письмо отправлено сегодня.
Книга была написана Пушкиным.
Дети вернулись из школы.
Кто поет в соседней комнате?