an unordered series of transactions

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1、Appendix1:ThehierarchicalstructureofSinclairandCoulthard’smodelRANKI:LessonelementsofstructurestructureclassesanunorderedseriesoftransactionsRANKII:TransactionelementsofstructurestructureClassesofexchange2nPreliminary(P)PM(M…M)(T)P,T:boundaryMedial(M)M:teachingTerminal(T)RANKII

2、I:exchange(boundary)elementsofstructurestructureClassesofmoveFrame(Fr)(Fr)(Fo)Fr:framingFocus(Fo)Fo:focusingRANKIII:exchange(teaching)elementsofstructurestructureClassesofmoveInitiation(I)I(R)(F)I:openingResponse(R)R:answeringFeedback(F)F:follow-upRANKIV:Move(opening)elementsof

3、structurestructureClassesofactSignal(s)(s)(pre-h)h(post-h)s:markerPre-head(pre-h)(sel)pre-h:starterHead(h)(sel)(pre-h)hh:systemoperatingath;choiceofelicitation,directive,informative,checkPost-head(post-h)post-h:systemoperatingatpost-h;choicefrompromptandclueSelect(sel)sel:((cue

4、)bid)nominationRANKIV:Move(answering)elementsofstructurestructureClassesofactPre-head(pre-h)(pre-h)h(post-h)pre-h:acknowledgeHead(h)h:systemoperatingathchoiceofreply,reactacknowledgePost-head(post-h)post-h:comment104RANKIV:Move(follow-up)elementsofstructurestructureClassesofact

5、Pre-head(pre-h)(pre-h)(h)(post-h)pre-h:acceptHead(h)h:evaluatePost-head(post-h)post-h:commentRANKIV:Move(framing)elementsofstructurestructureClassesofactHead(h)hqh:markerqualifier(q)q:silentstressRANKIV:Move(focusing)elementsofstructurestructureClassesofactSignal(s)(s)(pre-h)h(

6、post-h)s:markerPre-head(pre-h)pre-h:starterHead(h)h:systemath;choicefrommetastatementorconclusionPost-head(post-h)post-h:comment1.Lesson:thehighestunitofclassroomdiscourse,consistingofoneormoretransactions.Thisunitmayfrequentlybecoextensivewiththepedagogicalunit‘period’,butneed

7、notbe.2.Transaction:normallybeginwithapreliminaryexchangeandendwithafinalexchange.Withintheseboundariesaseriesofmedialexchangesoccur.¢Informingtransactions:duringalengthyinformingexchangefromtheteacher,thepupilsdolittlebutacknowledge.¢Directingtransactions:thestructureoccurswhe

8、reaTeacher-directexchangestandsattheheadofatransaction