二语习得选修课的课堂ppt课件.ppt

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1、GeneralquestionsinSLAresearchWhatdosecondlanguagelearnersacquire?Howdolearnersacquireasecondlanguage?Whatdifferencesarethereinthewayinwhichindividuallearnersacquireasecondlanguage?Whateffectsdoesinstructionhaveonsecondlanguageacquisition?GeneralquestionsinSLAresearchWhatdosecondlanguag

2、elearnersacquire?Howdolearnersacquireasecondlanguage?Whatdifferencesarethereinthewayinwhichindividuallearnersacquireasecondlanguage?Whateffectsdoesinstructionhaveonsecondlanguageacquisition?Whateffectsdoesinstructionhaveonsecondlanguageacquisition?Acquisition:informal/formallearningCla

3、ssroominstruction=formallearningDoesclassroominstructionhaveanybenefitsforSLA?DoesclassroominstructionhaveanybenefitsforSLA?1.generallanguageproficiencyinacquisition-richoracqusition-poorenvironmentschildrenoradults2.productionaccuracyInstructiononlyaidstheacquisitionoffeaturesthataref

4、ormallyeasytoacquire.Itdenpendsonthecomplexityofthetargetstructure.formalinstructionhasaneffectonaccuracyinplannedbutnotunplannedproduction.Formalinstructionhasadelayedeffect.Formalinstructioncanalsoimpedeacquisitionbymakinglearnerstooconservativeandlearnerstendtosimplifyifgoingbeyongt

5、heircurrentlanguagelevel.Ifthestructureissimpleinthesensethatitdoesnotinvolvecomplexprocessingoperationsandiftheformalinstructionisextensiveandwell-planned,itislikelytoresultinaccuracy.Iftheinstructionisdirectedatadifficultgrammaticalstructurewhichissubstantiallybeyondthelearners’curre

6、ntinterlangage,itislikelythatitwillonlyleadtoimprovedaccuracyinplannedlanguageuse.Dolearnersacquiresometarget-languagefeaturesbeforeothers?Theorderofacquisition(学习者习得多个不同语言项目时的次序)HowdolearnersacquireaparticularTLlinguisiticfeature?E.g.interrogativesThesequenceofacquisition(学习者习得某个特定语言项

7、目时所经历的动态发展过程)3.theorder&sequenceofacquisition第二语言习得顺序助动词be,冠词a/anthe进行时-ing，复数s,系动词be动词过去式的不规则形式动词过去式的规则形式-ed,动词现在时第三人称单数s,所有格’sS1:heworktoday?Sirplayfootballtoday?S2:Whatyou(are)doing?Whereyougo?S3:CanyouspeakEnglish?Howcanyousaythat?S4:Doesshelikewhereshelives?Thesequenceoflearnin