Unit1Grammar课件译林版英语八年级下册

Unit1GrammarPresentPerfectTense译林版|八年级下册ContentsWarm-up热身导入Presentation课堂演示GrammarFocus语法精讲Practice巩固练习Production产出运用Summary&Homework总结与作业Warm-up:ChangesinShenzhenObservationTaskLookatthepictures.WhatchangescanyouseeinShenzhen?InstructionDiscusswithyourpartnerfor2minutes.Lead-intoGrammarKeySentenceShenzhenhaschangedalotovertheyears.GrammarFocusTotalkaboutchangesandexperiencesthatconnectthepastwiththepresent,weusethePresentPerfectTense.Presentation:AConversationaboutShenzhenMilleI'vejustfoundoutmanythingsaboutShenzhenfrommyuncle.He'slivedtheresincehefinishedcollege.Hesaidtherearealotmorejobsnow,andthelivingconditionsaremuchbetter.Yes.Transporthasalsoimprovedalot.Peoplecangetaroundeasilynow.No,I'venevervisitedShenzhen,butIplantodothissummerholiday.SandyReally?Whatdidhetellyou?That'snice.Didhetellyouanythingelse?Wow.IhopeonedayIcanvisitShenzhen.HaveyoubeentoShenzhenbefore?Greatidea!Let'sgotogether!KeySentencesfromtheConversationHe'slivedtheresincehefinishedcollege.Transporthasalsoimprovedalot.HaveyoubeentoShenzhenbefore?No,I'venevervisitedShenzhen.Observation:Whatdotheyhaveincommon?GrammarStructureQ:Whatwordsdotheyallhave?Theyallusehas/have+pastparticipleTimeReferenceQ:Whattimeperioddotheyreferto?TheyconnectthepastandthepresentGrammarFocus1:UsageUse1:DefinitionAnactionstartedinthepastandcontinuestothepresent.KeyMarkersOftenusedwith:for,sinceExamplesHehaslivedheresince2010.IhavestudiedEnglishfor5years.GrammarFocus2:UsageCoreConceptAnactionhappenedinthepastandhasaconnectionwiththepresent.(Theexacttimeisnotmentioned.)Example1:ConsequenceIhavelostmykey.(Result:Ican'topenthedoornow.)Example2:ExperienceShehasseenthismovie.(Result:Sheknowsthestorynow.)GrammarFocus3:UsageCoreConceptWeusethePresentPerfectTensetodescribehowmanytimesanactionhashappeneduptothepresentmoment.CommonSignalWordsalready,justever,neveryetExamplesIhavebeentoBeijingtwice.Haveyouevereatensushi?Ihaveneverseensuchabeautifulplace.GrammarFocus:StructurePositiveSentencesI/You/We/Theyhave+pastparticiple...He/She/Ithas+pastparticiple...NegativeSentences...havenot(haven't)+pastparticiple......hasnot(hasn't)+pastparticiple...QuestionsHaveI/you/we/they+pastparticiple...?Hashe/she/it+pastparticiple...?ShortAnswersYes,I/you/we/theyhave./No,...haven't.Yes,he/she/ithas./No,...hasn't.GrammarFocus:PastParticipleRegularVerbs(规则动词)Rule:Add-ed(likethesimplepast)finish-finishedchange-changedcarry-carriedstop-stoppedIrregularVerbs(不规则动词)Rule:Nofixedrule(needtomemorize)come-comehold-heldbuy-boughtsee-seenbe-beenfall-fallenPracticeA:Fillintheblanks1.SunshineTown______________(change)alotovertheyears.2.Thegovernment______________(turn)partofthetowncentreintoanewpark.3.Recently,theairinourtown______________(improve)alot.4.Somepeopleinthecountryside______________already______________(move)tonewbuildings.5.Lastyear,thegovernment______________(build)anartmuseum.6.I______________(notvisit)themuseumyet.PracticeA:AnswerKey1.haschangedKey:overtheyears(frompasttopresent)2.hasturnedKey:Pastactionwithpresentinfluence3.hasimprovedKey:recently(PresentPerfectTensemarker)4.have,movedKey:already(PresentPerfectTensemarker)5.builtKey:lastyear(SimplePastTensemarker)6.haven'tvisitedKey:yet(usedinnegativesentences)PracticeB:FillintheblanksWordBank:buy,visit,find,leave,go,return,workMyfather(1)________ajobasanengineerafterhefinishedcollege.He(2)________atthecompanyforover17yearsuptonow.Mymum(3)________herhometownattheageof18,butsheoftenreturnstovisitmygrandparents.Lastweekshe(4)________backtoseethemand(5)________not(6)________yet.Myfamily(7)________acarlastyear.Sincethen,we(8)________manybeautifulplacesinthiscar.PracticeB:AnswerKey1.foundContext:afterhefinishedcollege(PastTimeMarker)2.hasworkedContext:forover17yearsuptonow(PresentPerfect)3.leftContext:attheageof18(SpecificPastTime)4.wentContext:Lastweek(SimplePastMarker)5.hasContext:Stateverb(GeneralTruth/State)6.returnedContext:yet(NegativePresentPerfect)7.boughtContext:lastyear(SimplePastMarker)8.havevisitedContext:Sincethen(PresentPerfectDuration)PracticeC:CompletetheinterviewReporter:HelloAndrew.You(1)______(live)inShenzhenfortenyears.Doyoulikelivinghere?Andrew:Yes,verymuch.I(2)______(be)tomanycities,butShenzhenismyfavourite.I(3)______(fall)inlovewithit—itfeelslikehome.Reporter:There(4)______(be)lotsofchanges.(5)______you______(notice)anyofthesewhileyou'vebeenhere?Andrew:Transporthaschangedalot.There(6)______(be)moreundergroundlinesnow.It'sveryeasytogetaroundthecity.PracticeC:AnswerKeyhavelived(fortenyears表示持续到现在的状态)havebeen(havebeento表示曾经去过某地)havefallen(表示过去的动作对现在的影响：现在感觉像家)havebeen(inthepastfewyears是现在完成时的标志)Have,noticed(whileyou'vebeenhere强调在这段时间内)are(now表示现在的状态，用一般现在时)Production:TalkaboutYourHometownGroupTaskWorkingroupsoffour.DiscussthechangesinyourhometownusingthePresentPerfectTense.GuidingQuestionsWhatchangeshavetakenplaceintheenvironment?Howhasthetransportsystemchanged?Whatnewbuildingsorfacilitieshavebeenbuilt?Howhavepeople'sliveschanged?UsefulExpressionsMyhometownhaschangedalotovertheyears.Theroadshavebecomewiderandcleaner.Manynewparkshavebeenbuilt.Theairqualityhasimproved.Morepeoplehaveboughtprivatecars.Ihaveseenmanychangesinmyhometown.Greatchangeshavetakenplaceinmyhometown.ShareYourIdeasInstructionEachgroupselectsonerepresentativetoshareyourgroup'sideaswiththeclass.Teacher'sRoleListencarefully,takenotes,andgivefeedbackonthestudents'useofthePresentPerfectTense.CreativeWritingWritingTaskTopic:Describeanimportantchangeinyourhometown.

Details:Approximately80wordsFocusonwhatthechangeisExplainitsimpactonpeople'slivesKeyRequirementsGrammarFocus:Useatleast5sentenceswiththePresentPerfectTense.

Structure:IntroductionofthechangeDescriptionoftheimpactSummary&HomeworkKeySummaryThreeMainUsesFocusonthethreemainapplicationsofthePresentPerfectTen