爱问共享资料unit 1 past and present现在完成时态复习课件（牛津英语八年级下）文档免费下载，数万用户每天上传大量最新资料，数量累计超一个亿 ，nullPresentPerfectTensePresentPerfectTenseDesignerXueNaChunhuaMiddleSchoolUnit1PastandpresentPresentperfecttense现在完成时 Presentperfecttense现在完成时 构成用法一表示过去发生的某一动作对现在造成的影响或产生的结果现在完成时这一时态强调是过去动作与现在的联系也就是强调现在的影响和结果havehas过去分词null1都表示过去发生的事2现在完成时强调过去和现在的联系不能和具体的时间状语连用3一般过去...
nullPresentPerfectTensePresentPerfectTenseDesignerXueNaChunhuaMiddleSchoolUnit1PastandpresentPresentperfecttense现在完成时 Presentperfecttense现在完成时 构成用法一表示过去发生的某一动作对现在造成的影响或产生的结果现在完成时这一时态强调是过去动作与现在的联系也就是强调现在的影响和结果havehas过去分词null1都表示过去发生的事2现在完成时强调过去和现在的联系不能和具体的时间状语连用3一般过去时强调过去发生的事或状态与表示过去的具体时间连用lastagoyesterdayetcpresentpastIhavelivedherefortwoyearsIlivedthere2yearsagonulleg1Hehadhisbreakfastat600Hehashadhisbreakfast2WhendidyoucomehereIwatchedthefootballmatchonTVat900AdverbsoftimeAdverbsoftimebeforebynowsofaroncetwicejustrecently
yet否疑already肯everneveralloneslifeinduringthepastlast5yearsExercisesExercises1I________havelunchalready2Hasthetrain_______arriveyet3Tome____never_______betoChina4Thetwin______just_____seemyfather5Thetwins____seemyfatherjustnow6Manytallbuildings____________buildinthepast5yearshavehadarrivedhasbeentohasseensawhavebeenbuiltnull用法二for段时间since点时间since句子过去时EgKatehaslivedherefor3yearsKatehaslivedheresince3yearsagoKatehaslivedheresinceshecametoChina表示过去某个时间开始的动作或存在的状态一直持续到现在并可能还将持续下去动词使用延续性动词常与for或since引导的时间连用常见非延续性动词和延续性动词的转变常见非延续性
动词和延续性动词的转变arrivecomegotodiebecomeaborrowLeavemovebuyopenjoinstartbeginfinishendcatchacoldgetupgettoknowgetoutclosewakeupgotosleepbecomeinterestedinbeinbedeadhavekeepbeawaybeoutbeabeinamemberofbeopenbeonbeoverhaveacoldbeupknowbeoutbeclosedbeawakebeasleepsleepbeinterestedinExercisesExercisesHisfatherhasdiedfor2yearsThefootballmatchhasbegunsince900amThetwinshavejoinedthearmysincetheyare18yearsoldMyteacherhasjustleftNanjingfor3daysHisfatherhasbeendeadfor2yearsThefootballmatchhasbeenonsince900amThetwinshavebeensoldiersbeeninthe
armysincetheyare18yearsoldMyteacherhasbeenawayfromNanjingfor3days重点句型Itishasbeen段时间since从句段时间haspassedsince从句重点句型Itishasbeen段时间since从句段时间haspassedsince从句eg他死了两年了HediedtwoyearsagoHehasbeendeadfortwoyearssincetwoyearsagoItishasbeentwoyearssincehediedTwoyearshaspassedsincehediednull1这本书我借了一个月了IborrowedthisbookamonthagoItishasbeenamonthsinceIborrowedthebookIhavekeptthebookforamonthsinceamonthagoAmonthhaspassedsinceIborrowedthebookHavehasgonetohavehasbeentohavehasbeeninHavehasgonetohavehasbeentohavehasbeeninhavehasgoneto已经去了或在途中
还没有返回havehasbeento曾今去过某地现在已经回来了后面可接表示次数的状语havehasbeenin表示某人已在某地停留一段时间现仍在那里其后常带表示一段时间的状语ExercisesExercisesTom在哪儿他去书店买书了我在北京待了5年了Jack去过上海两次了-WhereisTom-HehasgonetothebookshoptobuysomebooksIhavebeeninBeijingfor5yearsJackhasbeentoShanghaitwiceCorrectingCorrecting1Ihaveborrowedthebookfor3months2Mybotherhasjoinedthearmysincehewas183JackandTomhavelivedheresince5years4ThefilmhasbeenonsinceIhavecometothecinema5WhenhasMrLicaughtabadcoldhavekepthasbeeninbeenamemberofthearmysince5yearsagofor5yearscamedidcatchnull6Tenyearshavepassedsinc
etheygotmarried7JimhasgonetoBeijingfor2years8Whattimehavethefactoryopened9IhavegonetoChunhuaMiddleSchooltwicehashasbeenindidopenbeentoExercisesExercisesIamanAmericanboyIcametoChinatwoyearsagoI_____studyherefortwoyearsMyfatheroftentakeme_____playfootballontheplaygroundLastweekI___taketotheparkbyhimWesawalotofmonkeysjumpinthetreeIheardavoicefrombehindWhenIwalkalongtheriverIthoughtmyselfItmust_____beMrBrownHe__takephotosWe___enjoythatdayWe____gobacktoAmericanextweekhavestudiedtakestoplayWastakenwakedjumpbeistakingenjoyedwillgo
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