1Langacker,R.W. Abstract motion[M].Proceedings of the Annual Meeting of the Berkeley Linguistics Society, 12,1986:455-471.
2Langacker,R.W. Cognitive Grammar as a basis for language instruction, ln Robinson,P & Ellis,N (EDs),Handbook of Cognitive Linguistics and Second Language Acquisition[M].New York,Routle- dge,2008:66-88.
3Talmy, L. (a).Toward a cognitive semantics [J]. Volume l:Concept-structuring systems. Cambridge, MA:MIT Press,2000.
4Ellis,N.C. Usage-based and form-focused language acquisition:The associative learning of constr- uctions,learned attention, and the limited L2. In Robinson,P & Ellis,N(EDs),Handbook of Cogni- tive Linguistics and Second Language Acquisition EM].New York, Routledge,2008:372-405.
5Achard, E.Grammatical instruction in the natural approach:A cognitive grammar view. In M. Achard and S. Niemeier (Eds.),Cognitive linguistics, sec- ond language acquisition,and foreign language teaching [J].Berlin and New York:Mouton de Gruyter. Studies on Language Acquisition,2004: 1~5-1~4.
6Bybee,J. Frequency of use and the organization of language. Oxford:Oxford, University Press,2006.
7Ellis,N.C?Frequency effects in language acquis- ition:A review with implications for theories of implicit and explicit language acquisition. Studies in Second Language Acquisition []]. 24, 2002:143-188.
