The Functions and Evolution of ka??i(讲是)in Dianbai Min Dalect
As a frequently used linguistic unit in Dianbai Min dialect, kaŋɬi(讲是) consists of the SAY verb kaŋ (讲)and the judgement verb ɬi (是) at the very beginning, then it goes through the process of lexicallization cross-structurally and develops the functions of reassertive marker, evidential marker, topic marker, discourse marker and emphasis marker. The evolution path of kaŋɬi (讲是) follows the path of cross-structural combination>reassertive marker> evidential marker, or cross-structural combination > topic marker > discourse marker, as well as cross-structural combination> emphasis marker.