牛津译林八年级下Unit1Grammar课件VIP免费

ThePresentPerfectTense现在完成时8下Unit1Grammar1.HowlonghasMr.ChenlivedinSunshineTown?2.CanMr.Chenseehisoldfriendsasoftenasbefore?Hehaslivedheresincehewasborn.No.Becausemostofhisoldfriendshavemovedaway.Lead-inAskandanswerhave/has+done(动词过去分词)AstoryaboutEddie!AstoryaboutEddie!pastpresentEddiewasbornfouryearsago.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.Step1: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动作或状态。presentpastpastpresent4yearsEddiehaslivedwithMilliesincehewasborn.EddiehaslivedwithMillieforfouryears.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。presentpastToday,HobosaidtoMillie."Eddiehaseatenmyfood."(EddieatethefoodandnowHobohasnothingtoeat.）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。pastpresentEddie吃了很多次Hobo的食物。EddiehaseatenHobo'sfoodmanytimes.We___________(live)inXuyisincewewereborn.for14years.havelivedStep2:现在完成时的构成We____________(study)heresince2014.for2years.havestudiedThePresentPerfectTense(现在完成时态)基本结构:助动词have/has+动词的过去分词IhavewatchedtheTVshowmanytimes.HaveyouwatchedtheTVshowmanytimes?Yes,Ihave.No,Ihaven’t.He/Shehasn’twatchedtheTVshowmanytimes.一般疑问句否定句ThePresentPerfectTense(现在完成时)一般疑问式:将have/has提前到句首回答:肯定：否定：Yes,…have/has.No,…haven’t/hasn’t.ThePresentPerfectTense(现在完成时)否定式:have/hasnot+动词的过去分词haven’t/hasn’tTaskone(仿照例句看表格造句）Whohavedonehaven’tdoneWecleantheroomcleanthewindowseeafilmmakedinnerTheySheflytoBeijingvisittheGreatWallMyfather1.We____________theroombutwe_____________thewindow.2._______you________theroom?Yes,_______.________you________thewindow?No,__________.havecleanedhaven’tcleanedHavecleanedwehaveHavewehaven’tcleanedbuyfoodwatchBeijingOperamovelivelovelike动词的过去式和过去分词的构成:visitrepairwatchfinishvisitedvisitedrepairedrepairedwatchedwatchedfinishedfinishedmovedmovedlivedlivedlovedlovedlikedlikedverb＋ed以不发音的e结尾＋dStep3:过去分词的构成stopmoptrapplanstoppedstoppedmoppedmoppedtrappedtrappedplannedplanned注: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＋ed双写＋edstudyhurrystudiedstudiedhurriedhurried去y＋ied注:以辅音字母加y结尾的词,去y＋ied.动词的过去式和过去分词的构成:过去分词的构成Typeoriginalp.tp.pcostcostcostcomecamecomerunranrungetgotgotcatchcaughtcaughtseesawseenforgetforgotforgottendrinkdrankdrunkgrowgrewgrowneatateeatenABBAAAABCABA不规则变化p0donatecatcheatseekeephavecomestopliveam/isbuildputTaskone:Playagame（说出所给动词的过去分词）1borrow2hope3make4get5plan6cry7send8watch9say10grow11hit12enjoy1borrow2hope3make4get5plan6cryborrowedhopedmadegotplannedcriedsentwatchedsaidgrownhitenjoyedTasktwo:FinishPartAonpage141They____________(finish)theirhomeworkalready.2John_____never______(visit)China.3Mr.Li____________(repair)overtenbicyclessinceMonday.4We___________(notsee)eachotherforyears.5Myparents___________(notcome)backyet.6Ourteacher___________(teach)usalotaboutthehistoryofChina.havefinishedhasvisitedhasrepairedhaven’tseenhastaughthaven’tcomeFinishPartBonpage14.Tasktwo:IhavewatchedtheTVshowalready.HaveyouwatchedtheTVshowyet?Yes,Ihave.No,Ihaven't.Ihaven’twatchedtheTVshowyet.already一般用于肯定句中，yet一般用于否定句和疑问句中Ihave_________watchedtheTVshow.还，仍HaveyouwatchedanyinterestingTVshowsrecently?(近来，最近)Step4:常用的时间状语用法alreadyTaskone:用already或yet填空1.Hehas________visitedmanyplacesinChina.2.Lilyhashadbreakfast___________.3.Hasshearrived_______?4.Havetheycome________?5.Thetrainhasn'tarrived__________.alreadyalreadyyetyetyet注意"already"在句中的两种位置.1.—Haveyou______seenthefilm?—No.Ihave_______seenit.2.—Hasthebusleft_____?—Yes.Ithasleft________.No.Ithasn’tleft_______.everneveryetalreadyyet选择already,yet,never,ever填空。Tasktwo（1）already“已经”，放在肯定句句中或句末；（2）yet放在疑问句句尾时，表示“已经”；放在否定句句尾时，表示“还(没，不)”常用的时间状语区别（3）ever“曾经”，用于疑问句或否定句中；（4）never“从来没有”，表示否定句中。（5）just“刚刚”，用于陈述句中；（6）recently“近来”，用于句末。Chattime(ExerciseC)M:______you____(see)anyfilmsrecently,Sandy?S:No,I_______.Whataboutyou?M:I__________(see)onelastSaturday.S:What’sitabout?M:It’saboutthechangesinBeijingoverthepastcentury.Fromthisfilm,I__________(learn)moreaboutBeijing’spastandpresent.S:Oh,IthinkI__________(hear)aboutthefilm.Doyouplantoseeitagain?M:Yes,I’dliketo.Haveseenhaven’tsawhavelearnthaveheard