主位推进理论.ppt

1、The Thematic Progression Theory and Its Implication for Reading Teaching,Peng Narnia,1,OVERVIEW,Information Theory The Theme and Rheme The Thematic Progression Parttens Implication for Reading Teaching,2,Information theory dealing with measurement and transmission of information through a channel wa

2、s put forward by Claude E. Shannon in 1948, which was initially only limited to the field of communications, processing and transmitting information.,Information Theory,3,Information Theory in Linguistics,Information theory in linguistics was put forward by the Pragues after the second world war. Th

3、ey referred it as the Communicative Dynamism,which belonged to the research of the Functional Sentence Perspective.,4,The theme: the starting point of a clause as message; the given information; carrying the least communicative dynamism. The rheme: about the theme; the locus of new information;carry

4、ing high communicative dynamism.,The Theme and Rheme,5,Thematic Progression,Thematic Progression (TP) is a method of development of a text created through the authors choice of theme. Thematic Progression regards how utterances link up to one another and make the text progress.,6,Patterns of Themati

5、c Progression,Simple linear (chained): T1 - R1. R1=T2. T2 - R2. R2=T3.,One evening in spring, a man and a woman moved into a new house. Just outside their door there was a garden. It was a pretty garden, with flowers and grass and even a tree.,7,Three Basic Patterns:,Simple linear TP Continuous/cons

6、tant themeTP Hypertheme with derived themes,8,Simple linear (chained): T1 - R1. R1=T2. T2 - R2. R2=T3. The complete range of electromagnetic radiations is made up of gamma rays, X-rays, ultra-violet rays, ordinary visible light, infra-red(heat) radiation, and radio waves. All these are given out by

7、the Sun, but some of them do not reach us, as the atmo-sphere behaves like a filter. It lets through visible light and certain radio waves. scientific and technical articles, expository proses, narratives,9,Continuous/constant theme (topically linked): T1 - R1. T1- R2. T1 - R3. Once upon a time thre

8、e bears lived in a house in the woods. There was a great big bear, a medium-sized bear and a little, small wee bear. All the bears like porridge and had their own special porridge bowls. The great big bear had a great big bowl; the medium-sized bear had a medium-sized bowl. Description, Narrative,sc

9、ientific and technical articles,10,Hyperthem and Derived Themes The performances of DA and logit are not stable in both tests. In the first test, DA ranks the fifth in the one-year period and becomes the best classifier in the two-year period. In the holdout sample tests, DA scores the second lowest

10、 misclassification rates but degrades to the fourth place in the two-year period. the comparsion and contrast、enumeration in scientific and technical articles.,Hypertheme with derived themes.,11,Implication for reading teaching,Different patterns of Thematic Progression correlate with different genr

11、es. Cultivating studentsawareness of this coorelation,is beneficial for studentsgrasping the structure of a text. Evaluation of the coherence of the article can be made if students keep the Thematic Progression theory in mind.,12,References,1. Brown, G. &Yule, G.Discourse AnalysisM. Cambridge: Cam-b

12、ridge University Press,1983. 2. Firbas, J. On defining the theme in functional sentence analysisJ.Travaux Linguistiques de Prague,1964(1). 3. Danes, Frantisek. Functional sentence perspective and the organi-zation of the textA. Danes(ed).Papers in Functional Sentence Perspective,PragueC. Academia, 1974. 4.黄 衍.试论英语主位和述位J.外国语, 1985(5