Unit+1+Period+3 牛津译林版英语八年级下册

译林版初中英语译林版八年级下册Unit1Period3Grammar新课导入EnjoythesongHaveyoueverlovedsomebodySomuchitmakesyoucry(somuch)Haveyoueverneededsomethingsobad(sobad)Youcan'tsleepatnightHaveyouevertriedtofindthewordsButtheydon'tcomeoutrightHaveyoueverHaveyoueverHaveyoueverbeeninloveBeeninlovesobadYou'ddoanythingTomakethemunderstandHaveyoueverhadsomeoneStealyourheartawayYou'dgiveanythingTomakethemfeelthesame(HaveyoueversearchedforwordsTogetyouintheirhearts)Butyoudon'tknowwhattosayAndyoudon'tknowwheretostart12能熟悉并能正确运用本课时的重点单词和短语。能掌握现在完成时的基本结构和用法。3能掌握动词过去分词的变化规则。预习检测1.—Ihave_________gottothetrainstation.Whataboutyou?—Not_________.I'monthewaytothestation.A.yet;alreadyB.already;alreadyC.yet;yetD.already;yet2.ImissJimsomuch.Ihaven'tseenhim_________Imovedhouse.A.forB.since C.if D.whenDB3.—Kitty,willyougotoseethefilmMyPeople,MyCountrythisevening?—No,I______ittwice.A.willseeB.sawC.seeD.haveseen4.Noisepollutionwasaseriousproblemhere______.A.sincethenB.inthefutureC.onceaweekD.inthepast5.John,you_____thecomputergamesfortwohours.It'sbadforyoureyes.A.playedB.haveplayed C.wereplaying D.playDDB知识梳理already已经，常用于肯定句中。since自……以来，1)since+时间点；2)since+时间段+ago；3)since+从句。yet已经，常用于否定句，疑问句尾。for长达……，for+时间段。recently最近，常用于肯定句，否定句或疑问句中。ever曾经，常用于疑问句。just刚刚，用于肯定句中。现在完成时常见状语的用法Adverbsoftimealready&yetalready一般用于肯定句中。yet一般用于否定句和疑问句中。e.g.Wehavealreadyfinishedourhomework.我们已经完成了作业。Theyhaven'tfinishedtheirhomeworkyet.他们还没完成作业。*Mysisterhasn'treturnedfromJapan_______.(already/yet)Yes.Shehasgotmarried__________.(already/yet)yetTip:“already”可用在句中或句末.“yet”只用在句末alreadyAdverbsoftimeever&never多用于否定或疑问句中，表示“曾经”或“从未”等e.g.HaveyoueverwatchedtheWorldCup?你们曾经看过世界杯吗？IhaveneverwatchedtheWorldCup.我从没看过世界杯。*Hasyougrandfather_________reade-books?(never/ever)No,hehas________readane-book.(never/ever)nevereverAdverbsoftimejust

&

before用表示到说话时为止的时间状语,e.g.Ihaveseenherbefore,butIcannotrememberwhere.我以前见过她，但记不起在哪里见过。Lucyhasjusthandedinherhomework.Lucy刚刚已经提交了她的作业。*Ihave____watchedawonderfulfilm.It'sreallyinteresting.(just/before)Lilyhaswatchedit_______,butshedidn'tlikeit.(just/before)justbefore现在完成时的基本结构和用法Shehashadbreakfast.她吃过早饭了。TheyhavebeentoHongKongonce.Hehaslivedherefortwoyears.他们去过香港一次。他已经住这两年了。用法1：现在完成时表动作发生在过去并对现在造成影响。（她现在不饿）用法2：现在完成时表动作发生在过去并一直持续到现在，有可能继续持续下去。用法3：现在完成时表到现在为止某动作发生了多少次。现在完成时的用法现在完成时的基本结构结论：现在完成时的肯定句结构为____________________________________Ihavejusteatenit.Youhave

cleanedupthewindow.She/He/hasvisitedBeijingthreetimes.Ithassleptthreehours.1主语+have/has+过去分词(+其他).结论：现在完成时的否定句结构为______________________________________Ihavenot

justeatenit.Youhavenot

cleanedupthewindow.She/He/hasnotvisitedBeijingthreetimes.Ithasnotsleptthreehours.2主语+havenot/hasnot+过去分词(+其他).Tip:havenot=haven'thasnot=hasn't—Haveyoueatenit?—No,Ihaven't./Yes,Ihave.—Hasshe/hevisitedBeijingthreetimes?—No,she/hehasn't./Yes,she/hehas.—Hasitsleptthreehours?—Yes,ithas./No,ithasn't.3结论：现在完成时的一般疑问句结构为______________________________________________________________________________________________________Have/Has+主语+过去分词

(+其他)？肯定回答：Yes,主语+has/have.否定回答：No,主语+hasn't/haven't.Howlonghaveyoulived?Whathasshe/heeatenforbreakfast?Whathasthegovernmentdonetopartofthetowncentre?Wherehasshetravelledrecently?4结论：现在完成时的特殊疑问句结构为________________________________________特殊疑问词+have/has+主语+过去分词

(+其他)?MrWuasksthestudentstocompletethesentencesbelowusingthepresentperfecttense.Helpthemcompletethesentences.1.They_____________(finish)theirhomeworkalready.2.John________never_________(visit)China.3.MrLi____________(repair)overtenbicyclessinceMonday.4.We____________(notsee)eachotherforyears.5.Myparents_____________(notcome)backyet.6.Ourteacher__________(teach)usalotaboutthehistoryofChina.havefinishedhasvisitedhasrepairedhaven'tseenhaven'tcomehastaughtMillieandSandyaretalkingaboutafilmaboutthehistoryofBeijing.Completetheirconversationwiththecorrectformsoftheverbsinbrackets.Millie:______you_____(see)anyfilmsrecently,Sandy?Sandy:No,Ihaven't.Whataboutyou?Millie:I_____(see)onelastSaturday.Sandy:What'sitabout?Millie:It'saboutthechangesinBeijingoverthepastcentury.Fromthisfilm,I__________(learn)moreaboutBeijing'spastandpresent.Sandy:Oh,IthinkI__________(hear)aboutthefilm.Doyouplantoseeitagain?Millie:Yes,I'dliketo.Haveseensawhavelearnthaveheard活动小结通过以上的活动，我们学习了：现在完成时由_____________________________构成；肯定形式为：_________________________________；否定形式为：_________________________________；一般疑问句形式为______________________________；特殊疑问句形式为______________________________________________。当堂检测见DCF课件have/has+动词过去分词形式主语+have/has+过去分词(+其他.)Have/Has+主语+过去分词(+其他)?主语+havenot/hasnot+过去分词(+其他).特殊疑问词+have/has+主语+过去分词(+其他)?探究二动词过去分词的变化规则FreeTalk1.Trytosaytherulesofformingthesimplepasttenseofregularverbs.2.Canyouthinkoftherulesofformingthepastparticiplesofregularverbs?规则动词的过去分词的构成1.大多数的动词的过去分词是规则的，只需在动词后加-ed；

work→workedlisten→listenedjump→jumpedvisit→visited2.在以-e结尾的动词后只加-d；

close→closedlike→likedagree→agreedmove→moved3.在以辅音字母加y结尾的动词，应将y改为i再加ed；study→studiedcarry→carriedtry→triedworry→worried4.以重读闭音节结尾的动词，要双写末尾的辅音字母再加-ed；

stop→stoppeddrop→dropped不规则动词的过去分词的构成1.有些动词的原形和过去分词相同；

put→puthurt→hurtbecome→becomerun→run2.改变单词中的元音字母；

sit→satwin→wonhold→held3.改变单词中的辅音字母；

lend→lentspend→spentsend→sent4.改变单词中的元音字母和辅音字母；

keep→keptsleep→sleptteach→taughtcatch→caughtbuy→bought5.其他;

say→saidpay→paidgive→giveneat→eatenRegularverbsIrregularverbsBaseformPastparticipleBaseformPastparticiplevisitvisitedhithitrepairrepairedputputlivelivedmeetmetmovemovedmakemadetrytriedsellsoldstudystudiedgivegivenfitfittedwritewrittenplanplannedthinkthought动词的过去分词MrWuwantsthestudentstopractiseusingthepresentperfecttense.Helpthemwritethepastparticiplesoftheverbsbelow.1borrow_______2hope______3make______4get______9say______10grow______11hit______12enjoy______5plan_______6cry_______7send_______8watch_______borrowedhopedmadegotplannedcriedsentwatchedsaidgrownhitenjoyed活动小结通过以上的活动，我们学习了：动词过去分词的变化规则：1.大多数词后加_____;2.以字母e的词后加_____;3.以一个辅音字母结尾的重读闭音节，双写最后一个辅音字母再加_____;4.以辅音字母+y结尾的词，将y改为__,再加____。当堂检测见DCF课件eddedied当堂检测一、根据句意及提示完成下列句子。1.HowlonghasMrSmith________(teach)Englishsofar?2.NocountryhasmadesuchgreatprogressasChineseinthe_________(过去的)thir