2Kenndy G. An Introduction to Corpus Linguistics[ M ]. Beijing: Foreign Language Teaching and Research Press, 2000.
3Brugman C. Story of Over[ M]. Berkeley:University of California Press, 1981.
4Lakoff G. Women, Fire and Dangerous Things [ M ]. Chicago:The University of Chicago Press, 1987.
5Langacker R. Foundations of Cognitive Theory of Metaphor [ M]. Stanford :Stanford University Press ,1987.
6Taylor J. Linguistic Categorization : Prototypes in Linguistic Theory [ M ]. Oxford : Clarendon Press, 1995.
7Tyler A, Evans V. Reconsidering prepositional polysemy networks :the case of over[ J ]. Language,2001,77 (4):724 -765.
8Firth J R. Papers in Linguistics 1934-1951 [ M ] London : Oxford University Press, 1957.
9Halliday M A K , Hasan R. Cohesion in English [ M]. London : Longman, 1976.
10Hunston S. Corpora in Applied Linguistics [ M ]. Beijing : World Publishing Corporation ,2006. Ungerer F, Schmid H J. An Introduction to Cognitive Linguistics [ M ]. Beijing : Foreign Language Teaching and Research Press,2001.
