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当前位置:首页 > 中学教育 > 初中教育 > 8B-Unit1-Past-and-present-Grammar课件(共31张PPT)
Unit1PastandpresentGrammarIatemybreakfastat6:30thismorning.Ihavealreadyhadmybreakfast.(Iamfullnow.)IsawThelifeofPieamonthago.IhavealreadyseenThelifeofPie.(Iknowsomethingaboutitnow.)Youfinishedyourholidayexercisesinthewinterholiday.Youhavealreadyfinishedthem.Iclosedthedoorjustnow.Ihavejustclosedthedoor.(Thedoorisclosednow.)我们还用现在完成时(Presentperfecttense)来谈论:1,过去发生仍与现在有某些联系或有影响的动作或情况。•Ihavebeenateacherfor25years.(时间段)•IamanEnglishteacher.•IhavebeenateachersinceIleftmycollege\1988\25yearsago.(过去的时间点)Ibecameateacherin1988\25yearsago.YoulearnedEnglish5yearsago.YouhavelearnedEnglishsince5yearsago\youwereinprimaryschool.(过去的时间点)YouhavelearnedEnglishfor5years.(时间段)我们用现在完成时(Presentperfecttense)来谈论:2,过去发生延续到现在的动作或情况。现在完成时(Presentperfecttense)have/has+PP(动词的过去分词)Subject(主语)have/has+(not)(助动词)pastparticiple(过去分词)I/You/We/Theyhave(not)moved.He/She/Ithas(not)moved.Have/Has+主语+动词的过去分词HaveI/you/we/theymoved?Hashe/she/itYes,I/you/we/theyhave.he/she/ithas.No,I/you/we/theyhave.not/haven’t.he/she/ithasnot/hasn’t.一般疑问句Underliningthepresentperfecttenseinthefollowingsentences1Theyhavelearnedabout20ChinesesongssincetheycametoChina.2Hasheplayedcomputergamesforonehour?Yes,hehas.3Mydaughterhaswatchedthegameafewtimes.FormingthepastparticipleofverbsMostverbs+edwash→washedVerbsendingine+dlive→livedVerbsendinginaconsonant+y-y+iedstudy→studiedShortverbsendinginavowel+aconsonantdoubletheconsonant+edstop→stopped一些不规则动词的过去式和过去分词原形过去式过去分词dodiddonecomecamecomeseesawseenhearheardheardforgetforgotforgottenwritewrotewrittenWritingthepastparticipleformsofthefollowingwords1finish2repair3visit4decide5travel6own7befinishedrepairedvisiteddecidedtraveled/travelledownedbeen写出下列动词的过去式和过去分词:begiveseemakeputcomewritewas/werebeengavegivensawseenmademadeputputcamecomewrotewritten注:不规则动词见书上122页不规则动词表.FinishingPartAonpage141borrow2hope3make4get5plan6cry7send8watch9say10grow11hit12enjoy1borrow2hope3make4get5plan6cryborrowedhopedmadegotplannedcriedsentwatchedsaidgrewhitenjoyedFinishingPartBonpage141They__________(finish)theirhomeworkalready.2John_______never_____(visit)China.3MrLi__________(repair)overtenbicyclessinceMonday.4We___________(notsee)eachotherforyears.5Myparents__________(notcome)backyet.6.Ourteacher__________(teach)usalotaboutthehistoryofChinahavefinishedhasvisitedhasrepairedhaven’tseenhastaughthaven’tcomeFinishingPartConpage15M:________you________(see)anyfilmsrecently,Sandy?S:No,Ihaven’t.Whataboutyou?M:Well,I________(see)onelastSaturday.S:Whatisitabout?M:It’saboutthechangesinBeijingoverthepastcentury.Fromthisfilm,I________(learn)moreaboutBeijing’spastandpresent.S:Oh,IthinkI________(hear)aboutthefilm.Doyouplantoseeitagain?M:Yes,I’dliketo.HaveseensawhaveheardhavelearntEddiewasbornfouryearsago.pastpresentEddiehaslivedwithMilliesincehewasborn.pastpresentEddiehaslivedwithMillieforfouryears.since和for:1)EddiehaslivedwithMilliesince2001.EddiehaslivedwithMilliesince4yearsago.EddiehaslivedwithMilliesincehewasborn.小结:since+时间点(词、词组或句子)2)EddiehaslivedwithMillieforfouryears.小结:for+时间段3)对以上句子划线部分提问:HowlonghasEddielivedwithMillie?1.WehavelearnedEnglish______GradeThreeinprimaryschool.WehavelearnedEnglish_______fiveyears.2.Hehasn’tfeltwell________lastnight.Hasheseenthedoctor?3.Ihavereadthisstorybook_______threedaysago.Ihaven’tfinishedreadingityet.选用since或for填空:sinceforsincesince4.Ithassnowed______twodays.Everythingiscoveredwithsnow.5.Wehavecleanedtheclassroom______halfanhour.6.Wehavestudiedatthisschool____2003.forforsince★just,recently是完成时的时间状语,justnow有amomentago之意,是一般过去时的时间状语。Thetrainhasjustarrived.(火车刚到。)DidyouseeTomjustnow?(你刚才看到汤姆了吗?)Haveyouvisitedyouroldfriendslately/recently?(你最近有拜访你的老朋友吗?)上一页下一页★just,recently是完成时的时间状语,justnow有amomentago之意,是一般过去时的时间状语。I______(lose)mypenjustnow.I______just_____(lose)mypen.(我刚才丢了钢笔)She_____just_____(buy)abook.She_______(buy)abookjustnow.(她刚才买了本书)上一页下一页losthavelosthasboughtbought★ever和never也是现在完成时常见的时间状语。前者意思是“曾经”,多见于疑问句中又可用于肯定句;后者意思是“从来没有”,表示全部否定。“Haveyoueverseenthefilm?”“No.Ihaveneverseenit.”(“你曾经看过这部影片吗?”“没有,从来没看过。”)It’sthebeststoryIhaveeverread.(这是我读过的最好的一个故事。)上一页下一页★already和yet常见于现在完成时中,有“已经”之意。前者一般用在肯定句中,后者用在疑问句中。yet在否定句中有“还”之意。“Hasthebusleftyet”?“Yes.Ithasalreadyleft.”(“No.Ithasn’tleftyet.)“汽车开走了吗?”“是的,已经开走了。”“不,还没有开走。”上一页下一页“already”用于现在完成时的肯定句中,“yet”用于现在完成时的否定句和疑问句中.用“already”“yet”填空Hehas()visitedmanyplacesinChina.()注意already在句中的两种位置.Thetrainhasn'tarrived.火车(到现在)还没有到。Hasshearrived?她已经到了吗?Hasn'thecome?她还没来吗?alreadyalreadyyetyetyet1.Theboyhasalreadygonehome.(改为一般疑问句)__________________________________2.Thegirlhasnotgivenittomeyet.(改为肯定句)__________________________________3.TheyhavevisitedtheIceIslandalready.(改为否定句和一般疑问句)——————————————————————Hastheboygonehomeyet?Thegirlhasalreadygivenittome.Theyhaven’tvisitedtheIceIslandyet.HavetheyvisitedtheIceIslandyet?Completingthesentenceswiththecorrectonesinbrackets1Haveyoudoneyourhomework_____?(for,just,yet)2Ihave______beentoChengdu.(for,never,yet)3Hehasworkedthere_____heleftschool.(already,just,since)4ShehasknownSam______nineyears.(for,never,since)5Haveyou_______riddenahorse?(ever,for
本文标题:8B-Unit1-Past-and-present-Grammar课件(共31张PPT)
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