| In China,there are few ontological studies on the "Yidan A Jiu B" format,and the research results mainly focus on the vocabulary "Yidan" and its comparison with related synonyms.Because foreign students are prone to make mistakes in the acquisition of this grammar point,and there is almost no research on the acquisition of this grammar point at present,this paper will study the acquisition of "Yidan A Jiu B" and put forward teaching strategies based on HSK dynamic composition corpus and the interlanguage corpus,supplemented by questionnaires.The introduction part mainly expounds the reason and purpose of the topic selection,research significance and methods,as well as the related research review and corpus description.The second chapter mainly discusses the formal features,syntactic,semantic and pragmatic functions of the construction "Yidan A Jiu B"."Dan" originally means "when the sun rises" and "once" was first interpreted as "one day".In modern times,the meaning of "one day" is still used.The formal features of "Yidan A Jiu B" construction are as follows: the form of variable a and variable B is unbalanced,A and B are mostly polysyllabic phrases and sentences,rarely used as words;A and B are usually verb object,subject predicate,partial positive,middle complement and serial verb phrases."Yidan A Jiu B" construction is equivalent to a word in practical use.It can be used as a syntactic component in a sentence,mainly as predicate,object,etc.,and a few as attribute and adverbial.The construction of "Yidan A Jiu B" has the meaning of contingent,hypothetical and sufficient condition.It has the pragmatic function of emphasizing warning and suggestion.It has the objectivity,causes and effects,and highlights the focus.The third chapter is about the error types of "Yidan A Jiu B" construction.The error corpus of this paper mainly comes from HSK dynamic composition corpus and Ji’nan University interlanguage corpus.The error types of "Yidan A Jiu B" mainly focus on phonetic,semantic,grammatical and textual aspect.The semantic aspect is mainly mixed near meaning,semantic redundancy and improper semantic collocation.The grammatical aspect is mainly the omission of "Yidan A Jiu B" construction,the wrong addition of the conjunction "Yidan",and the wrong use of the conjunction "Yidan".The errors caused by punctuation are mainly the lack and misuse of punctuation,and the errors caused by the connective component are mainly the connective component Finally,there are textual errors.The fourth chapter is about the factors that affect the acquisition of "Yidan A Jiu B".Based on the statistics and analysis of the corpus and my questionnaire,this paper summarizes the above types of errors.Based on the errors of foreign students,this paper sums up the following factors that affect the acquisition of "Yidan A Jiu B",including the complexity of "Yidan A Jiu B",the reasons of teaching materials,learners and teachers.The fifth chapter is the teaching strategy of "Yidan A Jiu B".We should pay attention to the ontological research of "Yidan A Jiu B",consolidate the basic knowledge,understand the causes and difficulties of students’ errors,pay attention to the teaching methods,intensive teaching and more practice,and strengthen the compilation of teaching materials.The sixth chapter is the conclusion.This paper summarizes the research conclusions,including innovation and shortcomings. |