外研版高中英语必修一课件：Module4Grammar

1、高中英语课件（madeofdingshangtuwen）Module4ASocialSurveyMyNeighbourhoodGrammar1.Learntheusageofthepresentperfecttense.2.Knowthedifferencesbetweenthepresentperfecttenseandthepastsimpletense.1.Itsbeensixyearssincewelastsaweachother.2.ThisisthefirsttimeIvevisitedyourhometown.3.Ivevisitedsomebeautifulcities,but

2、thisisoneofthemostattractiveplacesIvebeento.4.Theyveputupalotofhigh-risebuildingsrecently.TrytofindhowPresentPerfectTenseisformedForm:Usage:1.Anactioncompletedinthepastbutconnectedwiththepresentsituation.2.Anactionbeginsinthepastandstillcontinues.have/hasdone用法:1.“已完成”用法：过去发生，对现在造成了影响或结果。例如：1）Iclean

3、edmyhands.我洗手了。（仅仅指过去的一个动作而已。）2）Ihavejustcleanedmyhands,andtheyarecleannow.我刚洗过手,现在很干净了。（“洗手”是发生在过去的动作对现在造成的结果是“手干净了”）2.“未完成”用法：过去已开始，持续到现在，可能继续持续下去。标志词：for,since,sofar,bynow,thesedays,inthelast/pasttenyearsIhavelivedhereforovertenyears.Hehasstudiedheresince2006.Hehasalreadyobtainedascholarship.Ihav

4、entseenhimrecently(lately).Wehaveseenthatfilmbefore.Havetheyfoundthemissingchildyet?【拓展】1.现在完成时往往同表示不确定的过去时间状语连用,如already,yet,just,before,recently,lately等。2.现在完成时常常与表示频度的时间状语连用,如often,sometimes,ever,never,twice,onseveraloccasions等。HaveyoueverbeentoBeijing?IhaveneverheardBunnysayanythingagainsther.Ih

5、aveusedthispenonlythreetimes.Itisstillgood.3.现在完成时往往还可以同包括现在时间在内的时间状语连用,如now,uptothesedays/weeks/months/years,thismorning/week/month/year,now,today,uptopresent,sofar，inthepast/lastfewyears等。Peterhaswrittensixpaperssofar.Greatchangeshavetakenplaceinourcountryinthepastfewyears.Uptonoweverythinghasbeen

6、successful.1.句子中含有for或since等引导的短语或句子时，谓语动词只能是延续性动词。注意事项：Hehaslivedheresince1978.Shehasbeenmarriedfor10years.TrueorFalse1.IhavereadthereferencebookbutIdontunderstandit.（）2.Ihaveboughtthepenforthreeyears.()3.Icantfindmyglasses.Haveyouseenit?()4.Theboyhasfallenillfortwodays.()5.Hisfatherhasdiedfortenye

7、ars.()6.Thefilmhasbeenonforhalfanhour.()TFhadTFbeenFbeendeadT【即学即练】2.Sentencepatterns(几种常见的固定句式）It/Thisisthefirst/secondtimethatThisisthefirsttimethatIhavecometoChina.2)It/Thisisthebest/finest/mostinterestingthatThisisthebestfilmthatIhaveeverseen.3)Itis/hasbeen+一段时间+since+过去式Ithasbeensevenyearssince

8、hesmoked.3.一般过去时&现在完成时的区别一般过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。Ilostmypenyesterday.我昨天丢了钢笔。（强调昨天的动作）Ihavelostmypen.我把钢笔丢了。（强调现在的结果）Heworkedinthathospital8yearsago.我八年前在那家医院工作。（单纯指过去的动作）Hehasworkedinthathospitalfor8years.他在医院已经工作了八年了。（强调动作一直持续到现在）HehasgonetoShanghai.他(已经)去上

9、海了。HehasbeentoShanghai.他(曾经)去过上海。4.havebeen与havegone的区别1)I_(see)TomlastFriday.2)_you_(go)totheGreatWalllastsummer?3)Where_you_(put)mypen?I_(put)itinmypencil-box,butitsnowheretobefound.4)When_you_(start)toliveinChina?【即学即练】用动词的适当形式填空：sawDidgohaveputputdidstart5)Thetrain_(leave)already.When_thetrain_(

10、leave)?6)IthasbeenfiveyearssinceI_(meet)youlast.7)Where_you_(be)forthelasttwoweeks?8)I_(lose)mypeninthebedroom.Ihavetowritewithapencil.hasleftdidleavemethavebeenhavelostWhatstheadverbialoftime?already,yet,ever,neversince,for,recently.WhatstheformofthePresentPerfectTense?have/hasdoneWhatsthedifferenc

11、esbetweenthepresentperfecttenseandthepastsimpletense?.Somespecialsentencestructure?Thisisthefirsttime.Thisisthebest.现在完成时知多少？1.Irememberyouwereatalentedpianistatcollege.Canyouplaythepianoforme?【2012湖南高考】Sorry,I_thepianoforyears.A.dontplayB.wasntplayC.haventplayedD.hadntplayed【解析】选C。句意：我记得大学时你是一名很有天赋

12、的钢琴家，能为我弹奏一曲吗？抱歉，我已经好多年没弹钢琴了。表示从过去开始一直持续到现在的情况，所以用现在完成时。2.Inthelastfewyearsthousandsoffilms_allovertheworld.【2011天津高考】A.haveproducedB.havebeenproducedC.areproducingD.arebeingproduced【解析】选B。句意：在过去的几年里，全世界成千上万的电影已被制作。题干中的inthelastfewyears是现在完成时的标志，根据句意表被动，所以用现在完成时的被动语态，故选B。3.Ididntaskforthenamelist.Wh

13、y_onmydesk?Iputittherejustnowincaseyouneededit.【2011安徽高考】A.doesitlandB.hasitlandedC.willitlandD.haditlanded【解析】选B。句意：我没有要名单，怎么名单在我桌上？我刚才放在那里的，免得你需要。问句中谈论的事情即“放”的动作发生在过去，强调的是对话发生时的情况，需要使用现在完成时，故选B。4.ItisthemostinstructivelecturethatI_sinceIcametothisschool.【2011湖南高考】attendedB.hadattendedC.amattending

14、D.haveattended【解析】选D。考查动词的时态。句意：自我来到这所学校以来，这是我听过的最有益的一次演讲了。5.Uptonow,theprogram_thousandsofchildrenwhowouldotherwisehavedied.【2010山东高考】A.wouldsaveB.savesC.hadsavedD.hassaved【解析】选D。句意：截止现在，这个项目已经挽救了成千上万的本来会死去的孩子的生命。uptonow是现在完成时态的标志，所以空格处使用现在完成时态。6.EveryyearafloodoffarmersarriveinShenzhenforthemoney-

15、makingjobsthey_beforeleavingtheirhometowns.【2010福建高考】A.promisedB.werepromisedC.havepromisedD.havebeenpromised【解析】选D。考查现在完成时的被动语态。句意：每年大批的农民到深圳去寻找赚钱的工作，这些工作是在他们离开家乡之前已经许诺给他们的。7Whenshallwerestartourbusiness?Notuntilwe_ourplan.【2010四川高考】A.willfinishB.arefinishingC.aretofinishD.havefinished【解析】选D。句意：我们什

16、么时候重新开始我们的生意？直到我们完成我们的计划(才重新开始)。在时间状语从句中，经常用现在完成时表将来完成时。8.Formanyyears,people_electriccars.However,makingthemhasbeenmoredifficultthanpredicted.【2010浙江高考】A.haddreamedofB.havedreamedofC.dreamedofD.dreamof【解析】选B。句意：许多年来，人们都一直梦想着电动汽车。然而，制造它们比预期的要难。由此，推断此处的梦想从过去到现在。目前，市场上已经有了电动汽车，所以应用现在完成时。9.Imsorry,butIdontquitefollowyou.Didyousayyouwante