Complex sentence: Perhaps his best known play "The Flag Lieutenant" was filmed three times: twice as a silent film-in 1919 by Percy Nash and in 1926 by Maurice Elvey-and then again for sound in 1932 by Henry Edwards.
Split into simpler sentences: Perhaps his best known play "The Flag Lieutenant" was filmed three times. Twice as a silent film-in 1919 by Percy Nash and in 1926 by Maurice Elvey-and then again for sound in 1932 by Henry Edwards.