| In TCSL, the repeated-meaning adverbs "zai""you" have always been one of the most difficult points. Due to "zai""you" has many similarities in the syntactic function and semantic, so the foreign students often make many errors in learning and using. This paper will compare and analysis the difference between "zai" and "you". We analysis the errors that collected from the "HSK dynamic composition corpus" and paper survey, and proposed the learning and teaching strategies, hoping to provide some help in teaching "zai" and "you".The essay is divided into7parts:The first part:Introduction. Introduce the origin and significance of the topics, research methods, the corpus source and symbols used in the relevant instructions.The second part:Documents review and theoretical construction. We review the documents on ontology and TCFL about "zai" and "you" a, in order to know the strong point and the shortage of the research about "zai" and "you". The theory is proposed in this paper, the theoretical basis, and errors analysis theory, then we defined the "repeat-meaning adverbs"The third part:The comparative analysis about "zai" and "you". We compare the repeated-meaning adverbs "zai" and "you" from the Syntactic function, Semantic and the Pragmatic.The fourth part:The paper test. We analysis the paper design and testing of the concrete operation. We have a comprehensive test in Harbin Normal University International Cultural Exchange School, about the junior, intermediate and advanced stages of students, and then we have a comprehensive analysis of the corpus.The fifth part:Errors analysis. According to the "HSK dynamic composition corpus" developed by Beijing Language and Culture University and the paper test results on "zai" and "you" errors, By anglicizing the errors,we divide the errors into four types:. Missing, wrong order, mistaken and mistakenly added.The sixth part:Learning strategies and teaching strategies. In this part according to different stages students we put forward some advices about the learning strategies, teaching strategies and teaching material. Hoping to help the teaching about "zai" and "you"The seventh part:Summarizes the main views the creative points and the shortcomings. |