《牛津译林8下Unit1Grammar课件（共23张PPT）》由会员分享，可在线阅读，更多相关《牛津译林8下Unit1Grammar课件（共23张PPT）（23页珍藏版）》请在金锄头文库上搜索。
1、ThePresentPerfectTense现在完成时现在完成时8下Unit 1 Grammar1.HowlonghasMr.ChenlivedinSunshineTown?2.CanMr.Chenseehisoldfriendsasoftenasbefore?Hehaslivedheresincehewasborn.No.Becausemostofhisoldfriendshavemovedaway.Lead-inAskandanswerhave/has + done(动词过去分词)A story about Eddie! pastpresentEddiewas bornfouryearsa
2、go.我们用一般过去时谈论在过去某一时间里所我们用一般过去时谈论在过去某一时间里所发生的动作或存在的状态发生的动作或存在的状态.Step1:现在完成时用法现在完成时用法fouryearsago我们用现在完成时表示从过去持续到现在的我们用现在完成时表示从过去持续到现在的动作或状态。动作或状态。presentpastpastpresent4yearsEddiehas lived withMilliesincehewasborn.Eddiehas lived withMillieforfouryears.我们用现在完成时表示已完成但对现在有一定我们用现在完成时表示已完成但对现在有一定影响的动作影响的
3、动作。presentpastToday,HobosaidtoMillie.Eddiehas eaten myfood.(EddieatethefoodandnowHobohasnothingtoeat.）我们用现在完成时谈论到现在为止一个动作已经我们用现在完成时谈论到现在为止一个动作已经发生了多少次发生了多少次。pastpresentEddie吃了很多次吃了很多次Hobo的食物。的食物。Eddiehas eaten Hobosfoodmanytimes.We_(live)inXuyisincewewereborn. for14years.havelivedStep2:现在完成时的构成现在完成时
4、的构成We_(study)heresince2014.for2years.havestudiedThe Present Perfect Tense (现在完成时态现在完成时态)基本结构基本结构:助动词助动词have/has+动词的动词的过去分词过去分词IhavewatchedtheTVshowmanytimes.HaveyouwatchedtheTVshowmanytimes?Yes,Ihave.No,Ihavent.He/ShehasntwatchedtheTVshowmanytimes.一般疑问句一般疑问句否定句否定句The Present Perfect Tense (现在完成时现在完成
5、时)一般疑问式一般疑问式: 将将have/has提前到句首提前到句首 回答回答:肯定：肯定：否定：否定：Yes,have/has.No,havent/hasnt.The Present Perfect Tense (现在完成时现在完成时) 否定式否定式: have/hasnot+动词的动词的过去分词过去分词 havent /hasntTaskone(仿照例句看表格造句）仿照例句看表格造句）Whohave donehavent doneWecleantheroomcleanthewindowseeafilmmakedinnerTheySheflytoBeijingvisittheGreatWal
6、lMyfather1.We_theroombutwe_thewindow.2._you_theroom?Yes,_._you_thewindow?No,_.havecleanedhaventcleanedHavecleanedwehaveHavewehaventcleanedbuyfoodwatchBeijingOperamovelivelovelike动词的过去式和过去分词的构成动词的过去式和过去分词的构成:visitrepairwatchfinishvisited visited repaired repairedwatched watchedfinished finishedmoved
7、moved lived lived loved loved liked liked verbed以不发音的以不发音的e结尾结尾dStep3:过去分词的构成过去分词的构成stopmoptrapplanstopped stopped mopped moppedtrapped trappedplanned planned注注:以一个辅音字母结尾的重读闭音节词以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母双写最后一个辅音字母ed双写双写edstudy hurrystudied studiedhurried hurried去去yied注注:以辅音字母加以辅音字母加y结尾的词结尾的词,去去yied
8、.动词的过去式和过去分词的构成动词的过去式和过去分词的构成:过去分词的构成过去分词的构成 Typeoriginal p.t p.pcostcostcostcomecamecomerunranrungetgotgotcatchcaughtcaughtseesawseenforgetforgotforgottendrinkdrankdrunkgrowgrewgrowneatateeatenABBAAA ABCABA不规则变化不规则变化p0donatecatcheatseekeephavecomestopliveam/isbuildputTaskone:Playagame（说出所给动词的过去分词）（
9、说出所给动词的过去分词）1borrow2hope3make4get5plan6cry7send8watch9say10grow11hit12enjoy1borrow2hope3make4get5plan6cryborrowedhopedmadegotplannedcriedsentwatchedsaidgrownhitenjoyedTasktwo:FinishPartAonpage141They_(finish)theirhomeworkalready.2John_never_(visit)China.3Mr.Li_(repair)overtenbicyclessinceMonday.4We_
10、(notsee)eachotherforyears.5Myparents_(notcome)backyet.6Ourteacher_(teach)usalotaboutthehistoryofChina.havefinishedhasvisitedhasrepairedhaventseenhastaughthaventcomeFinishPartBonpage14.Tasktwo:IhavewatchedtheTVshowalready.HaveyouwatchedtheTVshowyet?Yes,Ihave.No,Ihavent.IhaventwatchedtheTVshowyet.alre
11、ady一般用于一般用于肯定句肯定句中，中，yet一般用于一般用于否定句否定句和和疑问句疑问句中中Ihave_watchedtheTVshow.还，仍还，仍HaveyouwatchedanyinterestingTVshowsrecently?(近来，最近近来，最近)Step 4:常用的时间状语用法常用的时间状语用法alreadyTaskone:用用already或或yet填填空空1.Hehas_visitedmanyplacesinChina.2.Lilyhashadbreakfast_.3.Hasshearrived_?4.Havetheycome_?5.Thetrainhasntarriv
12、ed_.alreadyalreadyyetyetyet注意注意already在句中的两种位置在句中的两种位置.1.Haveyou_seenthefilm?No.Ihave_seenit.2.Hasthebusleft_?Yes.Ithasleft_.No.Ithasntleft_. everneveryetalreadyyet选择选择already,yet,never,ever填空。填空。Tasktwo（1 1）already already “已经已经”，放在肯定句句中或句末；，放在肯定句句中或句末；（2 2）yetyet放在疑问句句尾时，表示放在疑问句句尾时，表示“已经已经”； 放在否定句
13、句尾时，表示放在否定句句尾时，表示“还还( (没，不没，不) )”常用的时间状语区别常用的时间状语区别（3 3）ever ever “曾经曾经”，用于疑问句或否定句中；，用于疑问句或否定句中；（4 4）never never “从来没有从来没有”，表示否定句中。，表示否定句中。（5 5）justjust “刚刚刚刚”，用于陈述句中；，用于陈述句中；（6 6）recently recently “近近来来”，用于句末。，用于句末。Chattime(ExerciseC)M:_you_(see)anyfilmsrecently,Sandy?S:No,I_.Whataboutyou?M:I_(see)onelastSaturday.S:Whatsitabout?M:ItsaboutthechangesinBeijingoverthepastcentury.Fromthisfilm,I_(learn)moreaboutBeijingspastandpresent.S:Oh,IthinkI_(hear)aboutthefilm.Doyouplantoseeitagain?M:Yes,Idliketo.Haveseenhaventsawhavelearnthaveheard
