Practice and innovation of mind mapping in teaching Chines as a second language Chinese preposition research in teaching Chinese as a second language Error analysis in teaching Chinese as a second language 并列题名：Error analysis in teaching Chinese as a second language Research on grammar and grammar teaching of Chinese as a second language Ten lectures on special sentence patterns in teaching Chinese as a foreign language practice tests for igcse english as a second language. Research on student teachers teaching practicum a case of teaching Chinese as a second language Contemporary grammar theories and grammar teaching of Chinese as a second language