| “Trinitarian Grammar” is a new theory of second language teaching grammar put forward by Feng Shengli and Shi Chunhong(2011),which mainly includes the formal structure of sentences,the function of structures and the typical context of functions.It is a new attempt to use this new grammar teaching system to study preposition “Gen”.This paper will take preposition “Gen” in teaching Chinese as a foreign language as an example,and take “Trinitarian Grammar” as the theoretical framework to analyze and elaborate it.The paper is divided into five parts:The first part is the introduction.This part firstly expounds the research purpose and significance of this paper,then introduces the research content and research methods of this paper,and sorts out the research status of the ontology of the preposition “Gen”,the research status of “Trinitarian Grammar”,and the research status of "Trinitarian Grammar" and the teaching of Chinese grammar as a foreign language.The second part is the type and characteristics of preposition “Gen”,which clarifies the definition and classification of preposition “Gen”,and introduces the syntactic,semantic and pragmatic features of preposition “Gen”.The third part is the analysis of the “Trinitarian Grammar” of the preposition“Gen”,which introduces the main content of the “Trinitarian Grammar” theory,and analyzes the formal structure,functional role and typical context of the preposition“Gen”.The fourth part examines the arrangement of the preposition “Gen” in the syllabus and Chinese textbook,and analyzes the problems of the arrangement of the preposition word “Gen” in the textbook.The fifth part is suggestions for writing Chinese textbooks for “Gen” based on the problems of the arrangement of the preposition “Gen” in the textbook. |