6Bybee,Joan,R.Perkins & W.Pagliuca (1994) The evolution of grammar-Tense,aspect,and modality in the languages of the world.Chicago:The University of Chicago Press.
7Fauconnier,Gilles,& Mark Turner (2003) The way we think:Conceptual blending and the mind's hidden complexities.New York:Basic Books.
8Fromkin,V.A.(1971) The non-anomalous nature of anomalous utterances,Language 47,27 -52.
9Lakoff,George (1987) Women,fire,and dangerous things.Chicago:The University of Chicago Press.
10Sweetser,Eve (1990) From etymology to pragmatics:Metaphorical and cultural aspects of semantic structure.Cambridge:Cambridge University Press.