Unit 6 Using language 课件-2022-2023学年高中英语外研版2019选择性必修第一册

NurturingnatureBook4Unit6GrammarPresentperfectcontinuousWhichofthesestatementsistrueaboutsentence(a)?Wildanimalsstartedusingthesepassagesinthepast.Wildanimalsusedthesepassagesonlyonce.Wildanimalsstillusethesepassagesnow.Activity1Lookatthesentencesfromthereadingpassageandanswerthequestions.Activity1Lookatthesentencesfromthereadingpassageandanswerthequestions.Theyaredifferentinformandmeaning.Forsentence(a)theformis“havebeendoing”,whileforsentence(b)theformis“havedone”.Inmeaning,theboldpartinsentence(a)meanstheactioniscontinuousfromthepast;whiletheboldpartinsentence(b)meanstheactionhappenedonceinthepast.2.Whatisthedifferencebetweentheexpressionsinboldinsentences(a)and(b)?现在完成进行时：概念界定肯定：have/hasbeendoing否定：haven’t/hasn’tbeendoing现在完成进行时表示动作从过去某一时间开始一直持续到现在，这个动作可能终止，也可能还在进行。1.现在完成进行时的形式2.现在完成时的形式的概念现在完成进行时：用法探究完成《学案》p.101【一、语法梳理】【二、语法练习】比较havebeendoing和havedone的区别总结常与现在完成进行时连用的时间状语总结不用于现在完成进行时的情况1）在不用时间状语的情况下，havebeendoing的动作不一定已经完成(即强调延续)，而havedone一般表示动作已经完成（即强调结果）。例句分析：③Hehasbeenwritinganovel,whichwillbefinishednextmonth.他在写一本小说，下个月能写完。④Hehaswrittenanovel,whichisbeingpreparedtocomeoutnow.他写了一本小说，正准备出版。现在完成进行时3.现在完成进行时与现在完成时的区别2）havebeendoing往往表示动作在重复，而havedone一般不表示动作的重复。例句分析：⑤Ihavebeenvisitingmyhometownrecently,anditimpressesmedifferentlyeachtime.最近我总回老家，每次感觉都不一样。⑥Ihavevisitedmyhometownrecently,whosechangeshaveleftadeepimpressiononme.最近我回了趟老家，那里巨大的变化让我惊讶。现在完成进行时3.现在完成进行时与现在完成时的区别3）havebeendoing与所有进行时态一样带有感情色彩，可使表达显得生动；而现在完成时往往只表明一个事实、一种影响或结果，不带感情色彩。例如：⑦Recentlyhehasalwaysbeenhelpingme.

最近他总帮我（感激

）。

⑧Recentlyhehashelpedmealot.

最近他帮了我很多（客观陈述）。现在完成进行时3.现在完成进行时与现在完成时的区别现在完成进行时常与表示一段时间的状语连用，例如：allthetime,thisweek,allnight,thesefewdays,for…,since…等。翻译：a.Aprivatedetectivehasbeentailinghimforseveralweeks.

一个私人侦探几个星期以来一直在跟踪他。b.Craiglovesoutdooractivities—heskisinwinterandhasbeenfishingandhuntingsincehewasachild.Craig热爱户外活动。冬天他去滑雪，他从小就开始钓鱼和打猎。现在完成进行时4.常与现在完成进行时连用的时间状语1）状态动词一般只用于havedone，而不用于现在完成进行时。Ihavealreadyhadanewcellphone.Ihaveknownhimforages.Ihavebeenill.2）现在完成时无被动形式。Wehavebeenrepairingthecar.√Thecarhasbeenbeingrepaired.X

现在完成进行时5.不用于现在完成进行时的状况Practice:Activity2（教材p.65）

1.havebeenhearing2.hasbeenmaking3.ismoving4.havebeenflying5.havebeengiven6.havebeenusingPractice:Activity3（教材p.65）

Lookatthechartsandmakesentencesusingthepresentperfectcontinuoustense.1.Thenumberoftreeshasbeenincreasinginthelast20years.2.Desertareashavebeenreducinginthelast20years.3.Butterflypopulationhasbeenincreasing/hasbeenbecominglargerandlargerinthelast20years.Workinpairs.Talkabouthowtheenvironmentwhereyoulifehaschanged.Usethepresentperfectcontinuoustensewhereappropriate.Practice:Activity4（教材p.65）

Practice:

《语法通》p.116即学即用10答案：hasmade/willmakehavebeentaking;believehavebeenwaitinghavebeenringinghavebeencooking;havemade;amcookingam;havebeenpaintinghasbeenwritingwillwin;agree;hasbeenpreparinghavebeenlookinghasbeenplayingTourismandtheenvironmentReadtheparagraphandanswerthequestions:Whatisecotourism?Ecotourismisatypeoftourismthatconservestheenvironment,encouragespeopletoberesponsibletravellersandinvolveseducatingthemaboutthenaturalworld.2.Whichcountriesvalueecotourism?CostaRica,KenyaandNepal.3.Whataretypicalvoluntaryworkforecotourismholidays?Plantingtreesandcountingendangeredanimals.Didyouknow?Listentotheconversationandchoosetheplacesmentioned.Activity5Activity6Listenagainandcompletethenotes.Nowworkinpairs.Discusswhattypeoftravelyouprefer.hardworkelephantshikeinthemountainscountlieonthebeachanicehotelaone-daybiketourUsetheexpressionsfromActivity7toreachanagreementonwhattododuringyourecotourismtrip.Thefactisthat...Wouldn’tyouagreethat...?Let’sfindacompromise.Let’smeetinthemiddle.Asacompromise,…Iagree,but…Speakingbirdwatchingcaving洞穴探险WhiteBeachWhiteBeachisabeachontheislandofBoracay(长滩岛)inthePhilippines.Itswhitesand,whichbendstowardstheturquoise(蓝绿色的)water,isdottedwithpalmtrees.WhiteBeachisofcourseabeautifulplacetorelaxinasunloungerandwatchthespectacularsunset.BackgroundInformationActivity8Completethepassagewiththeexpressionsinthebox.1.createopportunitiesfornewbusinesses2.helpthelocaleconomy3.noteco-friendly4.disturbthewildlife5.providemorejobs6.useupnaturalresources7.highercarbonemissionsActivity9CompletetheboxeswiththeexpressionsinActivity8.attractingmoretouristscreatingopportunitiesfornewbusinesseshelpingthelocaleconomyprovidingmorejobsforpeoplelivingintheareapollutinginshoreseawaterdestroyinglocalecologicalenvironmentAdvantages:Disadvantages:noteco-friendlydisturbingthewildlifeusingupnaturalresourceshighercarbonemissionsraisingawarenessoflocalwildlifeprovidinglocalswithachancetoexperienceotherculturesAddmoreadvantagesanddisadvantagesthatyoucanthinkof.Nowworkinpairs.Role-playad