Abstract:

The discourse distribution of kanlai and kanqilai is summarized according to the form characteristics with the help of CCL corpus and a self-built small corpus of contemporary literary works Kanqilai includes three categories: “—, kanqilai+clause, —”, “ —, Np+kanqilai+Np, —” and “ —, Np+kanqilai+Vp, —” Kanlai includes three categories: “stand-alone”, “in fixed structure” and “not in fixed structure”, and then is subdivided into six categories The closed statistics of appearing frequency of kanlai and kanqilai is obtained, the imbalance of these two phrases appearing in discourse is explained from the perspective of metaphor and grammaticalization of cognitive linguistics, and the conditions and features of whether they are interchangeable in discourse is refined 

Key words: discourse marker, kanlai, kanqilai, metaphor, grammaticalization