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1、江苏省新沂市第二中学高中英语《Unit2Grammarandusage(2)》教案新人教版必修5教学目标Sswilllearnhowaverb-ingformcanbeusedasanadjectiveoradverb.Howaverb-ingphrasecanbeusedasaverb-ingonitsown.Ssareexpectedtolearnhowtousetheverb-ingandverb-ingphraseindifferentsituation.Ssareexpectedtoapp
2、lytheusagestopracticesbyfulfillingsomewrittentasks.重点Howaverb-ingphrasecanbeusedasaverb-ingonitsown.难点Howaverb-ingphrasecanbeusedasaverb-ingonitsown.教法及教具Teaching教学过程教学内容个案调整教师主导活动学生主体活动Step1Introduction当现在分词短语用来表结果时，可以和asaresult引导的结果状语从句互换。也相当于which引导
3、一个非限制性定语从句e.g.:Shedoesexerciseforanhoureveryday,causinghertokeepaslimfigure.Shedoesexerciseforanhoureveryday,___________hertokeepaslimfigure.Shedoesexerciseforanhoureveryday.____________,shekeepsaslimfigure.6.作让步状语-ing短语作让步状语，可置于句首或句末，常与evenif,though连用
4、。如：Thoughworkingfrommorningtillnight,hisfatherdidn’tgetenoughfood.=Althoughhisfatherworkedfrommorningtillnight,hedidn’tgetenoughfood.(虽然他父亲从早到晚拼命地干活，但是他还是挣不到足够的吃的。)注意:V-ing形式的否定not要置于V-ing之前。分词作状语时，其逻辑主语同主句的主语一致且有逻辑主动关系，往往可转换为相应的状语从句。Choosethecorrectse
5、ntence.1.Hearingthenews,tearsrandownherface.Hearingthenews,shecriedoutsadly.2.Enteringtheclassroom,Ifoundnobodyinit.Enteringtheclassroom,nobodywasfoundinit.3.Lookingoutthroughthewindow,thegardenwasbeautiful.Lookingoutthroughthewindow,wesawabeautifulgar
6、den.4.Readingtheeveningnewspaper,adogstartedbarking.Iwasreadingtheeveningnewspaperwhenadogstartedbarking.现在分词做独立成分：有些分词可以独立存在，在句中没有逻辑上的主语，作为习惯用法。这些短语有：generally/franklyspeaking一般来说/坦白来说judgingfrom/by由....来判断takingallthingsintoconsideration从各方面来说e.g.:Ge
7、nerallyspeaking,girlsaremoreinterestedinliteraturethanboys.Judgingfromhisaccent,heisanewcomer.被用作介词或连词的分词：supposingproviding/providedgiven:假设,假如,设想considering认为concerning/regarding关于accordingto按照talkingof谈到speakingof说到e.g.:Supposinghewon’tpasstheexam,w
8、hatshouldhedo?Accordingtohisreport,thesituationisgettingserious.Exercise:1.Theircarwascaughtinatrafficjam,thus____thedelay.A.tocauseB.causingC.causedD.cause2.Iwasinthebathroom,not___theknockatthedoor.A.hearB.tohearC.hearingD.heard3.Afte
