Unit 1 Section A Grammar Focus 课件2026-2027学年人教版英语九年级上册

UnitOneTheChangingWorldSecAGrammarFocusWhatbringsaboutchanges?学习目标

LearningObjectives01|MasterthePresentPerfectTense;useusedtoandthePresentPerfecttodescribepastandpresentchanges.02|Summarizetenserulesthroughsentenceanalysisandpractice;applygrammartoreal-lifeconversationsaboutchanges.03|Understandthedevelopmentoflocalcommunities(e.g.,Guizhou’schanges);appreciatesocialprogressandcultivateasenseofcommunitypride.04|DistinguishbetweensimplepastandthePresentPerfect;analyzethelogicalrelationshipbetweenpastactionsandtheirpresentinfluence.Contents01Warmup02Leadin03Presentation04Practice05Summary06Exercise07HomeworkWarmupWhatbigchangeshaveyouseeninthevideo?LeadinInthepast,therewasnobigbridge.Peopleusedtowalkfordays.Now,thegovernmenthasbuiltmanybridges.GreatchangeshavetakenplacePresentationHebecameagoodfriendofyourgrandfatherabout20yearsago.Theyhaven`tseeneachotherforages!Weusedtohavetotravelfartoseeadoctor.Ourvillagehasjustbuiltanewhospital.Manypeopleusedtoworkinbigcities.Now,moreofthemhavecomebacktoliveandworkhere.Readthesentencesandcircletheverbs.Payattentiontotheverbtenses.4a一般现在时现在完成时一般过去时VS现在完成时区别一：含义NOW一般过去时现在完成时表示描述过去发生的具体事件（动作已结束，与现在无关）过去发生的动作，对现在造成影响/结果；从过去持续到现在的动作/状态区别二：结构Heatelunchjustnow.Hehasalreadyeatenlunch.一般过去时现在完成时主语+动词过去式主语+have/has+动词过去分词一般过去时现在完成时否定句一般疑问句主语+was/were+not+其他主语+didn`t+动词原形主语

+

have/has

+

not

+

过去分词

Was/were+主语+其他？Yes,主语+was/were.No,主语+wasn`t/weren`t.Did+主语+动词原形？Yes,主语+did.No,主语+didn`t.Have/Has

+

主语

+

过去分词?Yes,主语+have/has.No,主语+haven`t/hasn`t.区别三：标志词一般过去时：yesterday...agolast...in+年份inthepastjustnow...现在完成时：already/yeteverjustfor/sincesofaruptonow...usedto含义：过去的某种经常性、习惯性的动作或行为.结构：主语+usedto+动词原形Enter

thevideousedtoWeusedtohavetotravelfartoseeadoctor.变否定句：变一般疑问句：We

didn`tusetohavetotravelfartoseeadoctor.We

usedn`ttohavetotravelfartoseeadoctor.Didyou

usetohavetotravelfartoseeadoctor?Usedyouto

havetotravelfartoseeadoctor?主语+didn’tuse/usedn`ttodosth.Did+主语+use/used+主语+todosth.Sheusedtogetupearly.Pensareusedtowrite.Sheisusedtogettingupearly.be/getusedtodoing

“习惯于做某事”注意：此时to是介词，故后面接动词ing形式beusedtodo“被用来做某事”注意：beused此时是被动语态usedtodo“过去常常”

（+动词原形）注意：用于表示过去常常做，现在不一定这样了PracticeA:____________you____________(be)tothenewlibraryyet?B:No,I____________(notknow)therewasanewlibrary.Whendidit____________(open)?A:It____________(open)lastFriday.I____________(go)therewithmygrandpaonSaturdaynight.B:____________you____________(like)it?A:Ofcourse!It`sthemosthigh-techlibraryI______ever_______(visit).B:Oh,what____________you____________(see)there?A:Therearesectionswithbooks.Ialso____________(read)somedigitalbooksonthecomputer.Mygrandpa____________(listen)tosomeaudiobooksbecausehecan`tseewell.B:Cool!I____________(bring)mylittlebrothertheretomorrow.Completetheconversationwiththecorrectformsoftheverbsinbrackets.4bHavebeendidn’tknowopenopenedwentDolikehavevisiteddidseereadlistenedwillbring询问现在的感受有声读物Inthepast,it_______(be)difficulttotravelinGuizhou.Inmanyplaces,thereusedto_____(be)nobridgestocrossovermountainsandrivers,andmostroadswerejustdirttracks.This__________(make)itdifficultforlocalstobringproductstothemarketortodevelopindustry.Nowgreatchanges_________(take)place.Thegovernment________(build)thousandsofkilometreshighways,railways,andwideroads.Ithasalsobuiltmanyhighbridgesovermountainsandrivers.Ajourneythatusedto________(take)adaynowtakesonlyafewhours.Asaresult,thelivesoflocalpeople_____________(improve).Theyaremuchricherandhappierthantheyonce_________(be).Completethepassagewiththecorrectformsoftheverbsinbrackets.Whyarelocalpeoplericherandhappierthanbefore?4bWatchthevideoandcheckyouranswer.Inthepast,it_______(be)difficulttotravelinGuizhou.Inmanyplaces,thereusedto_____(be)nobridgestocrossovermountainsandrivers,andmostroadswerejustdirttracks.This__________(make)itdifficultforlocalstobringproductstothemarketortodevelopindustry.Nowgreatchanges_________(take)place.Thegovernment________(build)thousandsofkilometreshighways,railways,andwideroads.Ithasalsobuiltmanyhighbridgesovermountainsandrivers.Ajourneythatusedto________(take)adaynowtakesonlyafewhours.Asaresult,thelivesoflocalpeople_____________(improve).Theyaremuchricherandhappierthantheyonce_________(be).Completethepassagewiththecorrectformsoftheverbsinbrackets.Whyarelocalpeoplericherandhappierthanbefore?4cwasbemadehavetakenhasbuilttakehaveimprovedwereSummarySummaryQ1：一般过去时和现在完成时的本质区别是？Q2：现在完成时的结构与标志词？Q3：usedtodo&beusedtodoing&beusedtodo三者的区别？Exercise1.-----_________you_________thenewmuseumyet?

-----Yes,I_________therelastSunday.A.Have;visited;wentB.Did;visit;wentC.Have;visited;havegone2.Mygrandma____________inthecountrysidewhenshewasyoung,butnowshelivesinthecity.A.usedtoliveB.wasusedtoliveC.isusedtoliving3.Ourvillage__________anewprimaryschoolalready.A.buildsB.builtC.hasbuiltAAC单项选择014.-----WhereisTom?-----He_________tothelibrary,andhewillcomebacksoon.A.goesB.hasgoneC.hasbeen5.They__________eachotherforovertenyearssincemiddleschool.A.knowB.knewC.haveknown6.-----Didyoursister__________stayuplatetostudy?-----No,she__________.Butnowshe_________workinguntilmidnight.A.usedto;didn’t;isusedtoB.useto;didn’t;getsusedtoC.usedto;wasn’t;isusedtoBCB1.I___________________(notfinish)myhomeworkyet.2.He____________(open)hissmallshopthreeyearsago.3.Thereusedto____________(be)asmallriverinfrontofourhouse.4.Greatchanges____________(take)placeinourhometowninthepastfiveyears.5.She____________(visit)manyc