Unit4 Discover Useful Structures 課件【備課精研+高效課堂】高中英語人教版選擇性必修第三冊

Discoverusefulstructures人教版新教材選擇性必修三Unit4MakeaguessTheyhavebeenlookingafteryousinceyouwereborn.Theyhavebeenprovidingyouwithwhateveryouwant.Theyhavebeenlovingyoudeeply.Doyouknowwhotheyare?parentsThePresentPerfectContinuousTenseInform:have/hasbeendoingInmeaning:theactioniscontinuousfromthepastNowlookformoresentenceswiththepresentperfectcontinuoustenseinthereadingpassage,andsummariseitsuseinyourownwords.Itrainedlastnight,butitstoppedthismorning.Observeanddiscover1.ThisistheadventurethatIhavebeendreaming

of.2.Wearenowcampedonthericeandwehavebeenmanaging

tosurvive,butspringiscoming,andtheicewillsoonbegintomelt.3.We

havebeenstruggling

fordays,butthingsonElephantIslandaregoingfrombadtoworse.Thepresentperfectcontinuoustense現(xiàn)在完成進(jìn)行時

We

fordays.havebeenstrugglinghave/hasdonebedoingcontinuoustense進(jìn)行時

presentperfecttense現(xiàn)在完成時Whatkindoftenseisusedinthesentence?have/has+been+doing現(xiàn)在完成進(jìn)行時FORM:DISCOVERTask1Completetheconversation.Puttheverbsintothepresentperfectprogressive.Interviewer:LiuFang,what___________________(do)recently?LiuFang:Well,I_______________(give)concertsinAmerica.學(xué)Interviewer:Haveyou______________(play)anynewpieces?LiuFang:Yes.I__________________(play)someclassicalAmericantunes.Interviewer:Whatelsehaveyou____________(do)?LiuFang:I__________________(learn)howtoplaythekonghou.網(wǎng)haveyoubeendoinghavebeengivingbeenplayinghavebeenplayingbeendoinghavebeenlearningPast2hoursagonowreadingfuturestartedstillgoonhasbeenreadingDISCOVERSorry.Haveyoubeenwaitinglong?Ihavebeenwaitingforanhour.LilyCathyDISCOVERPastOnehouragonowwaitingarrivesfuturehasbeenwaitingstartedCathyLilyDISCOVERConcludeWeusethepresentperfectprogressivetensetotalkaboutnon-stopactions

thathavejustfinishedbutarestillconnectedtothepresentinsomeway.HestartedlearningEnglishin2010.HeisstilllearningEnglishnow.HehasbeenlearningEnglishfor6years/since2010.DISCOVERPast2010nowlearningfuturestartedstillgoonhasbeenlearningDISCOVERWealsousethepresentperfectprogressivetensetotalkaboutactionsthatstartedinthepastandarestillcontinuing.Conclude表示動作從

開始一直持續(xù)到現(xiàn)在，這動作可能剛

也可能

.

過去停止繼續(xù)下去Summary1PRACTICEUnderstandthefollowingsituationsandcompletethesentences.Payattentiontothetimeadverbials.Practice1Itbegantorainthismorning.Itis6pmnowanditisstillraining.It__________________allday..hasbeenrainingHeisstilllearningChinesenow.He_________________________sinceDecember.hasbeenlearningChinesePractice2Mikebeganlookingforajobsixmonthsago.Heisstilllookingnow.Mike________________________forsixmonths.hasbeenlookingforajobPractice3She_________________(study)inthelibraryeverynightoverthelastthreemonths.hasbeenstudyingPractice4I_______________(sit)hereenjoyingthemusicallthemorning.havebeensittingPractice5Ithasbeenrainingallday.HehasbeenlearningChinesesinceDecember.Mikehasbeenlookingforajobforsixmonths.Shehasbeenstudyinginthelibraryeverynightoverthelastthreemonths.Ihavebeentypingthewholemorning.Ihavebeensittinghereenjoyingthemusicallthemorning.

alldayCommontimeadverbialssinceDecemberforsixmonthseverynightoverthelastthreemonthsallthemorningIthasbeenrainingallday.Hehasbeenwaitingforacarfor20minutes.HehasbeenlearningChinesesinceDecember.Ihavebeentypingthewholemorning.

alldayCommontimeadverbialsinceDecemberfor20minutesthewholemorningSummarizethetimeadverbialfor+時間段/since+時間點(diǎn)allday/allnight/allthemorning/allthetimethisweek/thismonthrecently最近Summary2ExtensionSpotthedifferencebetweenthetenses.have/hasbeendoingVS.have/hasdonehave/hasbeendoingVS.be(was/were)doing

LinZipengwasreadingthebook.LinZipenghasreadthebook.LinZipeng

hasbeenreadingthebookallthemorning.bereadinghasreadhasbeenreadingDISCOVERLiJiahasreadabook.Shelikesitverymuch.LiJiahasbeenreading

abook.

Shefinishedreadingthebook.Sheisstillreadingthebook.SpottheDifferencehavebeendoingVS.have/hasdoneABABTom’sclothesarecoveredwithpaint.Hehasbeenpaintingtheroom.Theceilingwaswhite.Nowitisgreen.Tomhaspaintedtheroom.ABABHefinishedpaintingtheroom.Heisstillpaintingtheroom.Maryisbusy.Shehasbeencleaningtheroom.Theroomistidy.Maryhascleanedtheroom.ABABShefinishedcleaningtheroom.Sheisstillcleaningtheroom.FunctionA.thepresentperfecttense現(xiàn)在完成時B.thepresentperfectprogressivetense

現(xiàn)在完成進(jìn)行時1.________isusedtotalkaboutanactioncompletedintherecentpastbutareconnectedwiththepresent.2._______isusedtotalkaboutanactionthatstartedinthepastandisstillhappeningoranon-stopactionorarepeatedactionuntilrecently.AB---Mr.Wolf,whathaveyoubeenbusywiththesedays?---I________________(try)tocatchgoats,but______never________(catch)asingleonesofar.havebeentryinghavecaughtpastpresentfuturehas/havedonehasbeendoingIwillbebacksoon!PracticeSummary3be(was/were)doing強(qiáng)調(diào)過去某時刻或某段時間正在進(jìn)行的動作;have/hasdone強(qiáng)調(diào)動作已經(jīng)完成/結(jié)束,行為結(jié)果在現(xiàn)在能感受到;have/hasbeendoing強(qiáng)調(diào)動作仍在持續(xù)，有時候帶有感情色彩。Difference動作的延續(xù)性動作的結(jié)果Task2Completethepassagewiththecorrectformoftheverbs.Lastnight,I___(went/havebeen)toseeaconcertbytheChinese-bornCanadianartistLiuFang.ShewasborninChinaand____(studied/hasbeenstudying)musicinShanghai,butshe_____(lived/hasbeenliving)inCanadasince1996.She_____(played/hasbeenplaying)traditionalChinesemusicsinceshewasveryyoung.Lastnight,she____(performed/hasperformed)aseriesofclassicalChinesepiecesforthepipaandtheguzheng.I____(bought/havebought)aCDofhermusicaftertheconcertandI___(listened/havebeenlistening)toitalldaytoday!Interviewyourpartneraboutsomethingabouthe/she:hobbies,newhabits,family,hometownanddreametc.Thefollowingquestionsmighthelpyou.Doyouhaveanyhobbiesorinterests?Howlonghaveyoubeenlearning/playing…?Whathaveyoubeendoingrecently?REQUIREMENT:Usethepresentperfectcontinuousifpossible.A:Doyouhaveanyhobbies?B:Sure.Ihaveseveralhobbiessuchastabletennis,photography,andkiteflying.Butmyfavouritehobbyisplayingtheguitar.A:Howlonghaveyoubeenlearningtheguitar?B:IhavebeenlearningtheguitarsinceIwaseightyearsold.IsawavideoofsomeoneplayingandIfellinlovewithit.A:That’sgreat.ShowTime!Fillintheblanks.I________________withashadowoverhead.I__________________withacloudabovemybed.I____________________allmyhopesanddreamsaway.I___________________asidetime.I___________________butthestarsrefusetoshine.I___________________butIjustdonotseethesigns.I______________________someonetoshedsomelight.havebeenlivinghavebeensleepinghavebeenhidinghavebeensettinghavebeenwatchinghavebeensearchinghavebeenlookingforWriteashortreportaboutsomethingaboutyourfriend:hobbies,newhabits,family,hometownanddreame