1Danes,F.Functional sentence perspective and the organization ofthe text[M] //In F.Danes(ed.).Papers in Functional SentencePerspective.Prague:Academia.1974.
2Halliday,M.A.K.Language Structure and Language Function[M] //In J.Lyons(ed.).New Horizons in Linguistics.Harmond-sworth:Penguin,1970.
3Halliday,M.A.K.An Introduction to Functional Grammar[M].London:Edward Arnold,1994.
4Thompson,G.Introducing Functional Grammar[M].Beijing:For-eign Language Teaching and Research Press,2000.
