Unit3FitforLifeGrammarandusage课件-高中英语牛津译林版（2020）选择性

GrammarandusagePresentperfectcontinuoustenseUnit3

FitforlifeLead-inReadthepersonalaccountgivenbyagirlwhoisequippedwitharobotichandandfillinthefollowingtable.Page34Beforehavingthenewrobotichand•Thegirlbeganto1.______________________afterlosingherrighthandinacaraccidenttwoyearsago.•Theoldartificialhandcouldnothelphermuchbecause2.____________________________________________________Withthenewrobotichand•Thegirlcan3.______________________________andholdontosmallthings.•Thenewrobotichandiscapableof4.____________________________________•Thenewrobotichandlooksverylifelikewith5._______________________________________Overthepastthreemonths•Thegirlhasrediscoveredoldhobbies.•Thegirlhasbecomemore6.__________________________withdrawintoherselfitdidn'tfeellikepartofhermoveherindividualfingersfeelingvaryingdegreesofpressurespecialrubberusedontheoutsideconfidentandoutgoingbeequippedwithwithdrawintooneselfleadanormallifeholdontomoreamazinglybecapableofdoingsth.begratefulfor...openupnewpossibilitiesUsefulExpressions装备有，配备有离群索居过正常的生活抓住不放；握住；控制更加令人惊异的是有能力做某事因而感激开启新的可能性Findthesentencesusingthepresentperfectcontinuoustense.1.Scientistshavebeenmakinggreatprogressinrobotictechnologyinrecentyears,...2.OverthepastthreemonthsIhavebeentestingoutthelimitsofwhatIcandowithmynewhand,...3....,IhavebeencookingformyfamilyagainsinceIgotmynewhand.A Exploringtherules•Weusethepresentperfectcontinuoustensetotalkaboutanactionthatstartedinthepastandisstillcontinuingnow,oranactionthathasjustfinishedbutisstillconnectedwith(1)_______________(thepast/thepresent/thefuture)insomeway.•Theverbformofthepresentperfectcontinuoustenseis

“(2)______________________

”.thepresenthas/havebeendoingWorkingouttherulesGothroughthegrammarnotesonpage99.Workingouttherules现在完成时与现在完成进行时的区别(1)现在完成时可以表示一个已经完成的动作，而现在完成进行时则表示一个正在进行的动作：Ihavereadthebook.我读过这本书。Ihavebeenreadingthebook.我一直在读这本书。注：有少数动词(如work,study,live,teach,stay等)在表示持续一时间时用这两种时态含义差不多(只是用现在完成进行时更强调动作的持续性)：Howlonghaveyouworked[beenworking]here?你在这儿工作多久了？I’velived[beenliving]heresince1988.自1988年以来我就一直住在这儿。现在完成时与现在完成进行时的区别(2)现在完成时通常只陈述事实，而现在完成进行时还可表示一种感情色彩：Ihavewaitedfortwohours.我等了两小时。(陈述事实)Ihavebeenwaitingfortwohours.我等了两个小时。(等得好辛苦)现在完成时与现在完成进行时的区别(3)不用于进行时态的动词（如：表示状态，感情或感觉的动词have,exist,like,hate,hear,know,sound…）通常也不用于现在完成进行时，但它们可以用于现在完成时：I’veonlyknownherfortwodays.我认识她刚刚两天。(4)现在完成进行时不用于被动语态，若要用可用现在完成时的被动语态代替：Thehousehasbeenpaintedforamonth.这房子已漆了一个月。Fillintheblankswithproperandcorrectformsoftheverbs.hasbeendesiringhasbeenrisinghasbeenincreasinghavebeentryingPractice5.TodayI_________________________(photograph)acrocodileswimmingclosetoourboat,theKimberleyQuest,allday.6.Mr.Smith________________________(overwork)thesedays.Ithinkheshouldtakeaholidaybeforeheburnsout.7.Sincearrivinginspace,theWISEtelescope___________________(circle)theEarth,heldbygravityinapolarorbit(thismeansitcrossesclosetothenorthandsouthpoleswitheachlap(一圈).8.Excuseme,Madam.Ellen,ajournalistfromtheDailyMail_______________(phone)allday.Couldyouspeaktohimnow?havebeenphotographinghasbeenoverworkinghasbeencirclinghasbeenphoningFillintheblankswithproperandcorrectformsoftheverbs.ApplyingtherulesB1Completethesentenceswiththecorrectformsoftheverbsinthebrackets.ApplyingtheruleshavebeenreflectinghavebeenwaitinghasbeenwritinghasbeenmakinghavebeendoingApplyingtherulesB2ApplyingtherulesIt(1)

isbeingestimated/hasbeenestimatedthatover30millionpeopleworldwidehavelostarmsorlegs,andmanyofthemfailtogetthehelpthattheyneed.Forsometime,they(2)arehopingfor/havebeenhopingforbetter-qualityartificial

limbs.Fortunately,oneexcitingnewadvancecouldhelpthesephysicallydisabledpeopleleadanormallifeagain:roboticlimbs.ApplyingtherulesDavidJonesisoneofateamofscientistsdevotedtomakingevenbetterroboticlimbs.“We(5)havedone/havebeendoingeverythingwecantoadvancethistechnologyandwewillnottakeoutapatentonit,”saidDavid.“Hopefully,moreandmorepeopleinneedofroboticlimbswillbeequippedwiththemandenjoyahigherqualityoflife.”IntensivereadingQuestions:1.Whatweresomeoftheearliestartificiallimbslike?2.Whatcanroboticlimbsdo?3.WhydidDavidJonessaytheywouldnottakeoutapatentonthetechnologyofroboticlimbs?ApplyingtherulesWriteashortsummaryofthearticleinB2usingthepresentperfectcontinuoustense.ApplyingtherulesTopictalkingB3AstudentisinterviewingDavidJonesabouttheresearchhisteamhasbeendoing.Inpairs,role-playtheinterviewusingthepresentperfectcontinuoustense.Thebeginninghasbeengiven.Student:Whathaveyoubeendoing,DrJones?DavidJones:Wehavebeendeveloping...Student:Whathaveyoubeendoing,DrJones?DavidJones:Wehavebeendeveloping

evenbetterroboticlimbsthanthoseavailableatthemoment.Student:

Isitdifficulttodevelopthenewrobotictechnology?DavidJones:

Yes.Ourteamofscientistshavebeendevotingmostoftheirtimetotheprojectandwehavebeendoingeverythingwecantoadvancethistechnology.Student:

That’sgreat!Whyisthistechnologyimportanttoyourpersonally?DavidJones:

Becausemygoalistoequipasmanypeopleaspossiblewhoneedroboticlimbs,andhelpthemenjoyahigherqualityoflife.Forthesereasons,wewillnottakeoutapatentonthetechnology,soitwillbeavailabletoanyonewhoneedsit.Wehavebeenspreadingthenewsabouto