Unit 1 The Changing World Section 教学课件 2026-2027学年人教版九年级上册

Unit1TheChangingWorldGrammarFocusWeusedtohavetotravelfartoseeadoctor.Manypeopleusedtoworkinbigcities.Ourvillagehasjustbuiltanewhospital.Now,moreofthemhavecomebacktoliveandworkhere.Hebecameagoodfriendofyourgrandfatherabout20yearsago.Theyhaven’tseeneachotherforages!Howtogroupthesesentences?Why?thepastthepresentWeusedtohavetotravelfartoseeadoctor.Manypeopleusedtoworkinbigcities.Ourvillagehasjustbuiltanewhospital.Now,moreofthemhavecomebacktoliveandworkhere.Hebecameagoodfriendofyourgrandfatherabout20yearsago.Theyhaven’tseeneachotherforages!4aReadthesentencesandcircletheverbs.Payattentiontotheverbtenses.Whattensesarethese?becamesb.usedtodosthsimplepasttensepresentperfecttensehaven’tseenhasbuilthavecomebackWeusedtohavetotravelfartoseeadoctor.Manypeopleusedtoworkinbigcities.Ourvillagehasjustbuiltanewhospital.Now,moreofthemhavecomebacktoliveandworkhere.Hebecameagoodfriendofyourgrandfatherabout20yearsago.Theyhaven’tseeneachotherforages!Whatarethedifferencesandsimilarities?becameusedtodosimplepasttensepresentperfecttensehaven’tseenhasbuilthavecomebackTheSimplePastTenseisusedtotalkaboutsomethingthath_____andf______inthepast.appenedinishedThePresentPerfectTenseisusedtotalkaboutsomethingthathappenedinthe____butisimportantorrelevant(相关)____.pastnow1.Meaning2.Structure3.SentencePatterns(句型)Iateanappleyesterday.ShehaslearnedEnglishfor55days.Negative:Y/N-Qs:Wh-Qs:Ididn’teatanappleyesterday.Didyoueatanappleyesterday?Yes,Idid.No,Ididn’t.Whatdidyoueatyesterday?She

hasn’tlearnedEnglishfor55days.HasshelearnedEnglishfor55days?Yes,shehas.No,shehasn’t.Howlong

hasshelearnedEnglish?was/weredidhave/hasdone4.SignalWords具体的过去时间如：yesterday，lastnight,twoweeksago,in1990,whenIwasyoung...already,yet,ever,never,just,sofar,recentlysince+时间点

for+时间段...twice,threetimeswas/weredidhave/hasdone4.自从当地人开始种植灌木，环境变得越来越好了。Theenvironment_____________(become)bettersincepeople________(begin)toplantbushes.1.She_____________(love)musicsince2018.2.He_____________(live)heresincehe______(be)ten.3.Tony_____________(work)inChengdu__________(since/for)fiveyearsago.haslovedhaslivedwashasworkedsincehasbecomebegan5.SomethingSpecialTherebe句型的各种时态这个公园里以前有一棵树。Therewas

atreeinthispark.=Thereusedtobe

atreeinthispark.自从2020年起，这个公园有了越来越多的树。Therehavebeen

moretrees

inthisparksince2020.Havebeendidn’tknowopenopenedwentDidlikehavevisiteddidseereadlistenedwillbringWhat’sthebiggestchangeyoucannotice?GuizhouThetransporthasbecomemoreandmoreconvenient.Completethepassage.(4c)wasbemadehavetakenhasbuilttakehaveimprovedwereadirttrackTheideaisnow_______accepted.widelywidthn.Whyarelocalpeoplericherandhappierthanbefore?Inthepast,itwasdifficulttotravelinGuizhou.Inmanyplaces,thereusedtobenobridgestocrossmountainsandrivers,andmostroadswerejustdirttracks.Thismadeitdifficultforlocalstobringproductstothemarketortodevelopindustry.Nowgreatchangeshavetakenplace.Thegovernmenthasbuiltthousandsofkilometresofhighways,railways,andwideroads.Ithasalsobuiltmanybridgesandtunnels.Ajourneythatusedtotakeadaynowtakesonlyafewhours.Asaresult,thelivesoflocalpeoplehave