| In this paper,through the study of Korean students demonstrative pronouns "qita,lingwai,biede" acquisition,analyzing the reasons of errors to obtain the acquisition order of the three words’ types,then according to the factors put forward the corresponding teaching suggestions in order to provide reference for the teaching of the three words in the foreign language classroom.The main contents are as follows:The first chapter,the author first investigates categorization,definition and c lassification of demonstrative pronouns.Then this paper investigates "qita,lingwai,biede" in various dictionaries,grammar books and periodicals in the lexical fea tures,explanation,syntactic component and combination ability,to get usage feat ures and common structural types of three words.The second chapter is based on the self compiled corpus of CCL,which is used to investigate the use of the demonstrative pronoun "qita,lingwai,biede" of South Korean students.The third chapter,based on the HSK dynamic composition corpus,divided into omission,error generation,addition,dislocation,mixture of the five types of errors,analyzing error cases in detail.Then,the acquisition order of the HSK corpus is obtained from the correct rate and the relative frequency of correct method.The fourth chapter,through the design of the questionnaire to investigate the Korean students under the condition of non-autonomous output of the demonstrative pronoun "qita,lingwai,biede",and analyze the high error cases.Then,the acquisition order of the questionnaire is obtained from the correct rate method.The fifth chapter analyzes the influence of the teaching materials at first,sug gesting to set the grammatical hierarchies.From South Korea native language,target language,students communicative strategy three aspects to analyze the infl uence on South Korean students acquisition of three words and put forward th e corresponding suggestions. |