The Four Main Tones of Mandarin Explained | Skillsfuture Courses Before learning and studying Mandarin Classes Singapore through the SkillsFuture language courses that are offered, you may want to do some basic researching first. So as you should need to know by now, though learning Mandarin may seem to others like it just have one tone, Mandarin is in fact a tonal language. And it has four main tones that are being used to clarify and emphasize the meaning of words. So here are the four main tones of Mandarin: 1.            First