英语人教版八年级下册unit 8 sectionA3 PPT.ppt

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1、 新疆生产建设兵团农八师新疆生产建设兵团农八师148团中学团中学 李红李红人教版人教版 八年级（下）英语八年级（下）英语Unit 8Have you read Treasure Island yet?Unit 8Have you read Treasure Island yet?Section A Period ThreeTolearnthePresentPerfectTensewithalready andyetTolearnsomeregularverbsorirregularverbs1.I_readit_.2.Sandy,_you_thereader_?3._you_LittleWom

2、en_?4.Ive_readit.5.Ive_OliverTwistand6.Haveyou_them_?justFillintheblanks.havenotyethavefinishedHavereadyetyetalready finished heardofyetgoReady?7._Tina_Treasure Island?8.Steve,_you_whichbooktowriteaboutforEnglishclass?9.Ive_readingit!10._youatleast_thebackofthebooktoseewhatitsabout?11.ButI_theshipan

3、dmadeasmallboat.Hasreadhavedecided yetalreadyfinishedHavereadhavefound12.Ive_manythingsIcanuse.13.AlthoughI_everything,I_mylife.14.Ihave_treesand_ahouse.15.HeissmartandI_himsomeEnglish.broughtbackhavelosthavenotlostalready cutdownbuiltalreadyhavetaught Choosethebestanswer.Choosethebestanswer.1.Bothh

4、isparentslooksad.Maybethey_whathappenedtohim.A.knewB.haveknownC.mustknowD.willknow2.Thefamouswriter_onenewbookinthepasttwoyears.A.iswritingB.waswritingC.wroteD.haswritten3.Ourcountry_alotsofar.Yes.Ihopeitwillbeeven_.A.haschanged;wellB.changed;goodC.haschanged;betterD.changed;better4.Whatareyougoingt

5、odothisSunday?I_yet.(绍兴市绍兴市)A.wontdecideB.didntdecideC.haventdecidedD.dontdecide5.-_you_yourhomeworkyet?-Yes.I_itamomentago.A.Did;do;finishedB.Have;done;finishedC.Have;done;havefinishedD.will;do;finish6.HarryPotterisaverynicefilm.I_ittwice.A.willseeB.haveseenC.sawD.seeUsethewordsinbracketstocomplete

6、Usethewordsinbracketstocompletetheconversations.theconversations.4a1.A:Wouldyoulikesomethingtodrink?B:No,thanks._(just/drinksometea)2.A:Iheardyoulostyourkey._?(find)B:No,notyet.Ivejustdrunksometea.Haveyoufoundityet3.A:DoyouknowwhenTomisleaving?B:_.(already/leave)A:When_?(leave)B:Thismorning.4.A:Isyo

7、ursistergoingtothemovieswithustonight?B:No._.(already/seethefilm)5.A:Whatdoyourparentsthinkaboutourplan?B:I_.(not/tellthem/yet)HehasalreadyleftdidheleaveShehasalreadyseenthefilmhaventtoldthemyet现现在完成在完成时时ThePresentPerfectTense定义：定义：表示过去发生或已经完成的动作对现表示过去发生或已经完成的动作对现在造成的影响或结果。某些动词的现在完在造成的影响或结果。某些动词的现在完

8、成时可表示过去某一时间开始一直持续到成时可表示过去某一时间开始一直持续到现在（包括现在（包括“现在现在”在内）的动作或状态，在内）的动作或状态，可以和表示延续的时间状语连用。表示持可以和表示延续的时间状语连用。表示持续动作或状态的动词多是延续性动词。续动作或状态的动词多是延续性动词。现在完成时的构成：现在完成时的构成：肯定句肯定句:主语主语+have/has+过去分词过去分词+其他其他否定句否定句:主语主语+havent/hasnt+过去分词过去分词+其他其他一般一般Have/Has+主语主语+过去分词过去分词+疑问句：疑问句：？肯定答语肯定答语:Yes,主格代词主格代词+have/has.否

9、定答语否定答语:No,主格代词主格代词+havent/hasnt.动词过去式和过去分词的变化动词过去式和过去分词的变化规则变化规则变化：1.一般在动词词尾直接加一般在动词词尾直接加ed。如：。如：pickpickedpicked;wishwishedwished;staystayedstayed2.以不发音的以不发音的e结尾的动词后面加结尾的动词后面加d。如：。如：likelikedliked;hopehopedhoped;phonephonedphoned3.以以“辅音字母辅音字母+y”结尾的动词，变结尾的动词，变y为为i，再加，再加-ed如：如：studystudiedstudied;hu

10、rryhurriedhurried;replyrepliedreplied4.词尾只有一个辅音字母的重读闭音节动词尾只有一个辅音字母的重读闭音节动词，要双写这一辅音字母，再加词，要双写这一辅音字母，再加-ed如：如：stopstoppedstopped;clapclappedclapped不规则变化：不规则变化：5.以不变应万变以不变应万变。如：。如：letletlet;putputput;readreadread6.若中间有双写若中间有双写e，则去掉一个，则去掉一个e，单词，单词末尾再加末尾再加t。如：。如：feelfeltfelt;keepkeptkept;sleepsleptslept7

11、.结尾的字母结尾的字母d变变t。如：。如：lendlentlent;buildbuiltbuilt;sendsentsent8.变为以变为以-ought或或-aught结尾结尾。如：。如：buyboughtbought;bringbroughtbrought;catchcaughtcaught;teachtaughttaughtalready已经，常用于肯定句中。一已经，常用于肯定句中。一般置于助动词般置于助动词have/has之后，过去分词之后，过去分词之前，但也可以放在句末。之前，但也可以放在句末。我我已经已经看过这部电影了。看过这部电影了。Ihavealreadyseenthefilm.

12、我已经解决了这个问题。我已经解决了这个问题。Ihavealreadysolvedthisproblem.我已经做完家庭作业了。我已经做完家庭作业了。Ihavefinishedmyhomeworkalready.yet，在现在完成时句型中常置于句末。，在现在完成时句型中常置于句末。1)已经，已经，常用在疑问句中常用在疑问句中。琳达琳达已已看过这本书了吗看过这本书了吗?HasLindareadthebookyet?你完成家庭作业了吗？你完成家庭作业了吗？Haveyoufinishedyourhomeworkyet?2)还，仍然，常用于否定句句末。还，仍然，常用于否定句句末。他他还还未开始工作。未开

13、始工作。Hehasnotbeguntoworkyet.just刚刚，常用于肯定句中。一般置于刚刚，常用于肯定句中。一般置于助动词助动词have/has之后，过去分词之前之后，过去分词之前。我我刚刚吃过午饭。吃过午饭。Ihavejustfinishedlunch.我们刚刚听说她的婚讯。我们刚刚听说她的婚讯。Wehavejustheardofhermarriage.同学们要注意现在完成时与一般过去时同学们要注意现在完成时与一般过去时的区别。虽然这两个时态都和过去发生的区别。虽然这两个时态都和过去发生的事情有关，但是的事情有关，但是现在完成时现在完成时强调这一强调这一动作与动作与现在现在的关系，如对

14、现在产生的结的关系，如对现在产生的结果、影响等果、影响等，而，而一般过去时一般过去时只表示过去只表示过去的事实，的事实，不表示和现在的不表示和现在的关系关系。如：。如：Iwenthomeat10:00yesterday.Ihavegothomenow.我昨天十点回家的。现在我已经到家了。我昨天十点回家的。现在我已经到家了。Ihavealreadyfinishedmyhomework.Ifinisheditanhourago.我已经写完作业了，我是一个小时之前我已经写完作业了，我是一个小时之前写完的。写完的。FillintheblankswiththecorrectformsFillintheb

15、lankswiththecorrectformsofthewordsinbrackets.ofthewordsinbrackets.4bSally_(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She_already_(read)morethan100differentbooks!Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewhatloveshasr

16、eadtheworld_(be)likein50years.She_(finish)readingabookaboutrobotslastweekand_(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_(notread)yetandshecantwaittoreadthem!willbefinishedwillwritehasntread1.Excuseme.Haveyou_(see)mydictionary?2.Haveyou_(

17、find)yourwalletyet?3.I_already_(finish)myhomework.Letsgoout.4._you_(read)todaysnewspaperyet?用所给单词的适当形式填空。用所给单词的适当形式填空。seenfoundhavefinishedHavereadExercise1.我已经读完了这本科幻小说。我已经读完了这本科幻小说。2.我上个月参加了读书俱乐部，并已读我上个月参加了读书俱乐部，并已读了五本书。了五本书。翻译下列句子。翻译下列句子。Ihavealreadyfinishedreadingthesciencefiction.Ijoinedthebook

18、clublastmonthandIhavereadfivebooksalready.3.托尼昨天买了一盘流行音乐托尼昨天买了一盘流行音乐CD，但他，但他还没听。还没听。4.汤姆还没有看过那部新电影。汤姆还没有看过那部新电影。5.Jim已经完成了他的家庭作业，现在已经完成了他的家庭作业，现在空闲了。空闲了。TonyboughtapopmusicCDyesterdaybuthehasntlistenedtoityet.Tomhasntseenthenewfilmyet.Jimhasfinisheddoinghishomeworkalready.Heisfreenow.1.Chinadevelops

19、sofast.Thatstrue.It_alotalready.(2011安徽芜湖安徽芜湖)A.changesB.changedC.willchangeD.haschanged2.Juliaisntgoingtothecinemawithusbecauseshe_thefilm.(2013浙江湖州浙江湖州)A.seesB.sawC.willseeD.hasseen3.Idliketointroducemybestfriendtoyou,Peter.Thankyou,Lucy.Butwe_already.(2012河南河南)A.meetB.metC.willmeetD.havemet4.Kitt

20、y,willyougotoseethefilmColdMountainthisevening?No,Iwont.I_italready.(南京市南京市)A.sawB.haveseenC.seeD.willsee5.Ourschoolishavingasportsmeeting.Someone_herealready.(2011黑龙江黑龙江)A.arrivedB.havearrivedC.hasarrived6._you_themovieGongfuPandaII？Notyet.IllseeitthisSunday.(2011四川内江四川内江)A.Did,seeB.Do,seeC.Have,se

21、enSummarysummarize the Present Perfect Tense with already,yet and justdo lots of exercises about the Present Perfect Tense 1.Reviewthenewwordsandexpressions.2.MakesentencesusingthePresentperfecttensewithalreadyandyet.(atleast10sentences)TopreviewthenewwordsandexpressionsTopreviewtheconversationbetweenAlexandDave新疆兵团第八师第八学区新疆兵团第八师第八学区148团中学团中学 李红李红 2017年年6月月Thank you!