现代汉语句末语气词“了”的研究历程

A Process of Researches on Le(了) at Ends in Sentences of Modern Chinese

现代汉语句末语气词"了"("了2")的研究发展状况呈现为逐步拓展深入的三个阶段:初步研究阶段、全面探索发展阶段和拓展应用研究及深入阶段。目前,对"了2"各方面的研究已经取得较大进展,如:句式结构、功能意义、对外汉语教学等;今后的研究需要进一步加强应用研究,探索创新研究方法,与多学科研究相结合以推进"了2"的研究进程。

The research for development of the morpheme（了2） in modern Chinese sentences presents three phases： the preliminary research phase, the exploration of the development phase and the expansion of applied research and the further development phase. Significant progress has been made in the study of the functions and meanings of ＂了2＂, the teaching of Chinese as a foreign language, and the structure of related syntactic structures. Following research needs to further strengthen applied research, explore innovative research methods, and promote multidisciplinary research＂了2＂research process.