4Thompson,G.Introducing Functional Grammar[M].London:Arnold/Beijing:Foreign Language Teaching and Research press,1996/2000.
5Halliday,M.A.K.& Matthiessen,C.Construing Experience through Meaning.A language-based approach to cognition[M].London:Cassell,1999.
6Halliday,M.A.K.The Grammatical Construction of Scientific Knowledge:the Framing of the English Clause[A].In R.Rossini,G.Sandri & R.Scazzieri (eds.) Incommensurability and Translation[C].Chelterham:Elgar,1999.