By the time Denis went to school, his mother ... (teach) him to read and count.
His mother had taught him to read and count. (Его мать научила его читать и считать.)
(Past Perfect)
At the age of four, Denis ... (read) "The Adventures of Tom Sawyer" and other books himself.
Denis read "The Adventures of Tom Sawyer" and other books himself. (Денис прочитал "Приключения Тома Сойера" и другие книги сам.)
(Past Simple)
Now Denis is only twelve but he ... (pass) his school-leaving exams (выпускные экзамены) in maths, physics and history.
He has passed his school-leaving exams in maths, physics and history. (Он сдал выпускные экзамены в школе по математике, физике и истории.)
(Present Perfect)
He ... (study) English since he was six, but it still needs improving.
He has been studying English since he was six, but it still needs improving. (Он изучает английский с шести лет, но его все еще нужно улучшать.)
(Present Perfect Continuous)
Denis believes that he ... (enter) university at the age of 14.
He will enter university at the age of 14. (Он поступит в университет в возрасте 14 лет.)
(Future Simple)
Denis boasts (хвастается) that he ... (learn) at least five languages by the time he is 20.
He will have learned at least five languages by the time he is 20. (Он выучит как минимум пять языков к тому времени, когда ему исполнится 20 лет.)
(Future Perfect)
