Unit+4+Discover+useful+structures+現(xiàn)在完成進(jìn)行時(shí)教學(xué)設(shè)計(jì) 高中英語(yǔ)人教版（2019）選擇性必修第三冊(cè)

現(xiàn)在完成進(jìn)行時(shí)教學(xué)設(shè)計(jì)人教版（2019）高中英語(yǔ)選修三Unit4AdversityandCourageDiscoverusefulstructures贛縣中學(xué)劉澄璐Type課型：GrammarTeachingObjectives教學(xué)目標(biāo)Tomastertheusageofthepresentperfectcontinuoustense.Todistinguishthepresentperfectcontinuoustensefromthepresentperfecttense.Teachingkeypoints教學(xué)重難點(diǎn)Tomastertheusageofthepresentperfectcontinuoustense.Todistinguishthepresentperfectcontinuoustensefromthepresentperfecttense.Teachingprocedures教學(xué)過程LeadinAppreciatetheselyricsofasong，payattentiontothewordsinred，whatdotheyhaveincommon？answer：theyhavethesamestucture:have/hasbeendoing,即現(xiàn)在完成進(jìn)行時(shí)態(tài)的結(jié)構(gòu)。ObserveandanalyseActivity1Watchtwoshortvideosandanalyzethesentencesfromthem.thesentenceinthefirstvideois:Ihavebeenwaitinghereoveranhour.用時(shí)間軸來展現(xiàn)這個(gè)動(dòng)作，waiting這個(gè)動(dòng)作發(fā)生的時(shí)間是一小時(shí)之前，也就是動(dòng)作發(fā)生在過去,waiting這個(gè)動(dòng)作從過去持續(xù)到現(xiàn)在，andnow,sheisstillwaitingright?也就是說，waiting這個(gè)動(dòng)作現(xiàn)在仍然在進(jìn)行，thesentenceinthesecondvideois:haveyoubeenplayingwithjolly?換成陳述句來描述這個(gè)視頻內(nèi)容：peppahasbeenplayingwithaparrot.繼續(xù)用時(shí)間軸來解釋，playing這個(gè)動(dòng)作發(fā)生的時(shí)間是在過去，并且play這個(gè)動(dòng)作也從過去發(fā)生一直持續(xù)到現(xiàn)在，andnow,peppaisstillplayingwiththeparrot。也就是說，playing這個(gè)動(dòng)作現(xiàn)在仍然在進(jìn)行。so，fromthetwovideos,wecangetsummary1.Activity2understandthefolloingsituationsandcompletethesentences.payattentionntothetimeadverbial.fromthepractive,wecannsummarythecommontimeadverbial：for+時(shí)間段/since+時(shí)間點(diǎn)allday/allafternoon/allthetime...thisweek/thismonth/thisyear...recently/lately最近Activity3Pleasematchtwopicturesandtwosentences.example1:thefirstsentencematchesthepictureA,becausemaryisstillcleaningtheroomwhilethesecondsentencematchesthepictureB,becausemaryfinishedcleaningtheroom.example1:thefirstsentencematchesthepictureA,itmeansthatIamstilldoinghomework.buttheothersentencemeansthatIfinishedhomework。fromthetwoexamples,wecangetsummary3Summary1.現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作從過去開始,動(dòng)作必須是持續(xù)做的或者是