This paper classifies dipping tones in the framework of the Multi-Register and Four-Level tonal model. There are six types of dipping tones, four in Register M and two in Register L. The former includes (1) low dipping {323}, (2) back dipping /523/, (3) front dipping /324/, and (4) double circumflex /3232/, and the latter includes (5) creaky dipping {202} and (6) slack dipping /213/. After the ...