八下U8SectionA-2(教育精品).ppt
Unit8SectionAPeriod2(3a-4c)HaveyoureadRobinson Crusoe?Ifyouhave,whatdoyouknowaboutthisstory?Whoisthemaincharacter?Howdoesthestorybegin?Whathappenednext?Canyouimaginehislifeontheisland?Whatcouldhedotoprotecthimself?3aReadthepassagebasedonRobinson Crusoe.Thenanswerthequestions.1.WhatdoesRobinsonCrusoewaitfor?2.WhydoesRobinsonCrusoecallthemanFriday?Hewaitsforanothership.BecausehemeetshimonaFriday.Readthepassageagain.Findwordsthathavethesemeanings.3b1.Youcanusethesetoshootthings:_2.Somethingyouusetotravelinthesea:_3.Apieceoflandinthemiddleofthesea:_gunsshipisland4.Youcanusethesetocutthings:_5.Signsleftbehindbysomeoneorsomething:_knivesmarks3cCorrectthesentences.1.RobinsonCrusoearrivedontheislandwithenoughfoodanddrink.2.Fridaymadeasmallboat.3.Robinsonhadsomefoodandtoolswhenhefirstarrivedontheisland.4.Robinsonusedtheshiptobuildhishouse.5.Fridaysawsomemarksofanothermansfeetonthebeach.6.Robinsontriedtokillthetwomen.nothingRobinsonCrusoenothingcutdowntreesRobinsonSomecannibals4aUsethewordsinbracketstocompletetheconversations.1.A:Wouldyoulikesomethingtodrink?B:No,thanks._.(just/drinksometea)2.A:Iheardyoulostyourkey._?(find)B:No,notyet.IvejustdrunksometeaHaveyoufoundityet?3.A:DoyouknowwhenTomisleaving?B:_.(already/leave)A:When_?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No._.(already/seethefilm)Tom/HehasalreadyleftdidheleaveShehasalreadyseenthefilm5.A:Whatdoyourparentsthinkaboutourplan?B:I_.(not/tellthem/yet)havenot/haventtoldthemyet4bFillintheblankswiththecorrectformsofthewordsinbrackets.Sally_(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She_already_(read)morethan100differentbooks!Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld_(be)likein50years.loveshasreadwillbeShe_(finish)readingabookaboutrobotslastweekand_(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_(notread)yetandshecantwaittoreadthem!finishedwillwritehasnotread4cCompletethechartwithinformationaboutyouandafriend.YouYourfriendCommentsBooksIhavealreadyreadMoviesIhavealreadyseenSongsIhavealreadyheardThePresentPerfectwithalready,yet1.Haveyouwateredtheplantsyet?Yes,Ihavealreadywateredthem.2.Haveyoufinishedyourhomeworkyet?Yes,Ihavealreadyfinishedit.3.Haveyoufoundyourbikeyet?Yes,Ihavealreadyfoundit.现在完成时的构成现在完成时的构成:现在完成时是由现在完成时是由“助动词助动词have/has+动动词词的过去分词的过去分词”构成构成。助动词要和主语的人。助动词要和主语的人称、数保持一致。称、数保持一致。现在完成时现在完成时现在完成时的用法现在完成时的用法:(1)表示过去某个时间发生的动作对现在造表示过去某个时间发生的动作对现在造成的影响或结果。常使用成的影响或结果。常使用just,already,yet等等时间副词。时间副词。Haveyouhadlunchyet?你吃了午饭吗？你吃了午饭吗？Yes,Ivejusthadit.是的是的,我刚刚吃过。我刚刚吃过。(现在我不饿了现在我不饿了)(2)表示从过去某一时刻开始一直持续到现在表示从过去某一时刻开始一直持续到现在的动作或状态。这个动作可能刚停止的动作或状态。这个动作可能刚停止,也可能也可能仍然在进行。常带有仍然在进行。常带有for和和since等表示一段时等表示一段时间的状语。间的状语。Hehastaughtheresince1981.他自他自1981年就在这儿教书。年就在这儿教书。(可能还要继续教可能还要继续教)Ihaventseenherforfouryears.我有四年没见到她了。我有四年没见到她了。现在完成时的时间状语现在完成时的时间状语:(1)用副词用副词already和和yet。already一般用于一般用于肯定句中肯定句中,yet一般用于否定句和疑问句中。一般用于否定句和疑问句中。Wehavealreadyfinishedourhomework.我们已完成家庭作业了。我们已完成家庭作业了。Theyhaventfinishedtheirhomeworkyet.他们还没有完成家庭作业。他们还没有完成家庭作业。(2)用用ever和和never。多用于否定或疑问句中。多用于否定或疑问句中,表示表示“曾经曾经”或或“从未从未”等。等。HaveyoueverbeentotheGreatWall?你曾经去过长城吗？你曾经去过长城吗？No,IhaveneverbeentotheGreatWall.不不,我从未去过长城。我从未去过长城。(3)用表示到说话为止的过去时间状语用表示到说话为止的过去时间状语,如如just,before,uptonow等。等。Ihaveseenherbefore,butIcannotrememberwhere.我以前见过她我以前见过她,但记不起在哪里见过。但记不起在哪里见过。(4)与与since或或for表示表示一段时间一段时间的状语连的状语连用用,表示动作或状态从某一时刻开始表示动作或状态从某一时刻开始,一直一直持续到现在。持续到现在。since后接时间点或过去时后接时间点或过去时的句子；的句子；for后接时间段。后接时间段。Ihaventseenhimfortwoyears.我已经两年没见到他了。我已经两年没见到他了。Shehastaughtussincelastyear.自从去年起她教我们。自从去年起她教我们。IhaveskatedsinceIwasfouryearsold.从我四岁时我就开始滑冰了。从我四岁时我就开始滑冰了。现在完成时中延续性动词和终止性动词现在完成时中延续性动词和终止性动词英语动词根据词义可分为两种，一种是延续英语动词根据词义可分为两种，一种是延续性的，一种是终止性的。性的，一种是终止性的。终止性动词也可称为非延续性动词、瞬间动终止性动词也可称为非延续性动词、瞬间动词或点动词，如词或点动词，如:become,begin,buy,borrow,arrive,die,finish,gettoknow,go,join,marry,start,stop等。等。终止性动词表示动作的发生与结束于一瞬终止性动词表示动作的发生与结束于一瞬间完成间完成,不能再延续不能再延续,所以它的现在完成时所以它的现在完成时不能和表示延续的时间状语连用不能和表示延续的时间状语连用,即不能与即不能与表示一段时间的状语表示一段时间的状语,如如for+时间段、时间段、since+时间点时间点/从句连用从句连用,也不能用在也不能用在howlong引导的特殊疑问句。引导的特殊疑问句。若保留若保留for+时间段时间段,since+时间点时间点/从句从句,或用在或用在howlong句型中句型中,则需将终止性动词则需将终止性动词改为相应的状态动词或延续性动词。改为相应的状态动词或延续性动词。以下是常用的瞬间性动词和延续性动词以下是常用的瞬间性动词和延续性动词转换对应表转换对应表:comebeherebuyhaveborrowkeepleavebeawaydiebedeadstopbeoverbegin/startbeon单项选择。单项选择。()1.Haveyoutakenoutthetrash,Belly?_.Illdoitrightaway.A.Sorry,IhaveB.No,IdidntC.No,IdontD.Notyet()2.Haveyou_visitedShanghai?No,_.A.ever;notB.never;notC.ever;neverD.never;everDC()3.Couldyougototheparkwithmethisafternoon?Sorry,I_there.Iwentthereyesterday.A.havegoneB.havebeenC.wentD.was()4.Haveyouwashedyourclothes_?No,Ihavent.ButIhavecleanedtheroom_.A.ago;alreadyB.yet;yetC.before;yetD.yet;alreadyBD()5.Iamasoldier.I_thearmy_aboutfiveyears.A.havejoined;sinceB.havejoined;forC.havebeenin;forD.havebeenin;sinceC1、Theyhavebeenheresince2000.(对划线部对划线部分提问分提问)_havetheybeenhere?2、Theoldman_lastyear.(die/dead)He_forayear.(die/dead)（选词填空）（选词填空）3、Thisfactoryopenedtwentyyearsago.(同义同义句转换句转换)Thisfactory_fortwentyyears.Howlongdiedhasbeenopenhasbeendead4、MissGaoleftanhourago.(同义句同义句转换转换)MissGao_anhour.5、HermotherhasbeenaPartymemberforthreeyears.（同义句）（同义句）Hermother_thePartythreeyears_.hasbeenawayforjoinedago句型句型转换转换1.Ihavefinishedmyhomework.I_myhomework.(改改为为否否定定句句)_you_yourhomework?(改改为为一般疑一般疑问问句并作肯定回答句并作肯定回答)Yes，_.答案：答案：1.haventfinishedHave；finished；Ihave2.Hisdreamhascometrue.(改改为为一一般般疑疑问问句并作否定回答句并作否定回答)-_hisdream_true?-No，_.答案答案：2.Has；come；ithasnt(2010.河北省卷河北省卷,41.1)Mybrotherleftschoolin2005,andsincethenheinBeijing.A.lives B.livedC.willliveD.haslived(2010湖北省黄冈市，湖北省黄冈市，35，1)-IjoinedtheLeague_May,2008.Whataboutyou?-IvebeenaLeaguemember_threeyears.A.in;forB.on;inC.on;forD.in;sinceDA（2011四四川川资资阳阳）27.Sofarthisyear,manynewhouses_inWenchuanwiththehelpofthegovernment.A.buildB.arebuiltC.willbuildD.havebeenbuilt答案：答案：D【解解析析】考考查查动动词词的的时时态态。句句中中有有Sofar“到到目前为止目前为止”，使用现在完成时态，故选，使用现在完成时态，故选D。Dotheotherexercisesinthispart.
