人教版八年级下册英语Unit8Section A3

单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级*单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级*单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级*单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级**单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级***单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级*单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级*Unit8HaveyoureadTreasureIslandyet?SectionAPeriodThreefictionsciencefictiontechnologyFrenchn.小说科幻小说n.科技；工艺n.法语WordsandexpressionsObjectivesTolearnthePresentperfecttensewithalreadyandyetTolearnthenewwords:fiction,technology,French…GrammarIhaven’treadityet.Sandy,haveyoufinishedthereaderyet?3.HaveyoureadLittleWomenyet?4.I’vealreadyreadit.5.I’vejustfinishedOliverTwistand…6.Haveyouheardofthemyet?【例句】7.HasTinareadTreasureIsland?8.Steve,haveyoudecidedyetwhichbooktowriteaboutforEnglishclass?9.I’vealreadyfinishedreadingit!10.Haveyouatleastreadthebackofthebooktoseewhatit’sabout?11.ButI’vefoundtheshipandmadeasmallboat.【例句】12.I’vebroughtbackmanythingsIcanuse.13.AlthoughIhavelosteverything,Ihavenotlostmylife.14.Ihavealreadycutdowntreesandbuiltahouse.15.HeissmartandIhavealreadytaughthimsomeEnglish.【例句】I_______readit___.Sandy,____you_______thereader___?3.____you____LittleWomen___?4.I’ve______readit.5.I’ve___________OliverTwistand…6.Haveyou________them____?justFillintheblanks.havenotyethavefinishedHavereadyetyetalreadyfinishedheardofyetgoReady?7.____Tina_____TreasureIsland?8.Steve,_____you__________whichbooktowriteaboutforEnglishclass?9.I’ve_______________readingit!10._____youatleast____thebackofthebooktoseewhatit’sabout?11.ButI__________theshipandmadeasmallboat.HasreadhavedecidedyetalreadyfinishedHavereadhavefound12.I’ve____________manythingsIcanuse.13.AlthoughI________everything,I___________mylife.14.Ihave_______________treesand____ahouse.15.HeissmartandI________________himsomeEnglish.broughtbackhavelosthavenotlostalreadycutdownbuiltalreadyhavetaughtPracticeChoosethebestanswer.1.Both his parents look sad.Maybethey____what's happened tohim.A.knew B. haveknown  C. mustknow  D.willknow2.Thefamouswriter____onenewbookinthepasttwoyears. A.is writing   B.was writing   C.wrote D.has written3.—Ourcountry_____alotsofar. —Yes.Ihopeitwillbeeven____.A.has changed;well  B. changed;goodC.has changed;betterD. changed;better4.—WhatareyougoingtodothisSunday?—I_____yet.(绍兴市)A.won’tdecideB.didn’tdecideC.haven’tdecidedD.don’tdecide5.-__you___your homework yet?-Yes.I____ it a moment ago.A. Did;do;finished   B. Have;done;finished C. Have;done;have finished  D. will;do;finish6.HarryPotterisaverynicefilm.I____ittwice.A.willseeB.haveseenC.sawD.seeUsethewordsinbracketstocompletetheconversations.4a1.A:Wouldyoulikesomethingtodrink?B:No,thanks.___________________(just/drinksometea)2.A:Iheardyoulostyourkey.____________________?(find)B:No,notyet.I’vejustdrunksometea.Haveyoufoundityet3.A:DoyouknowwhenTomisleaving?B:_________________.(already/leave)A:When____________?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No.__________________________.(already/seethefilm)5.A:Whatdoyourparentsthinkaboutourplan?B:I___________________.(not/tellthem/yet)HehasalreadyleftdidheleaveShehasalreadyseenthefilmhaven’ttoldthemyet以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。现在完成时Presentperfect定义：表示过去发生或已经完成的某一动作对现在造成的影响或结果。现在完成时的构成：肯定句:主语+have/has+过去分词+其他否定句:主语+haven’t/hasn’t+过去分词+其他一般Have/Has+主语+过去分词+疑问句：…？肯定答语:Yes,主格代词+have/has.否定答语:No,主格代词+haven’t/hasn’t.动词过去分词的变化形式大部分与动词过去式形式相同，但是不规则动词的变化形式没有规律，需要记忆，比如：see-saw-seen;be-was,were-beeneat-ate-eaten;break-broke-brokengo-went-gone;take-took-takensend-sent-sent;find-found-foundmake-made-made;have-had-had1.表示动作到现在为止已经完成或刚刚完成。Ihavefinishedmywork.Wehavesetupmanynewfactories.2.动作发生在过去，强调对现在的结果、影响等。Haveyoueverseenthefilm“HarryPotter”?I’vespent3yearsinthecountryside.现在完成时--用法4.现在完成时可以用在条件或时间状语从句中，表示将来某个时刻之前已经完成的动作。I’llgohomeassoonasIhavefinishedmyhomework.Pleaselendmethatbookifyouhavefinishedreadingit.already已经，常用于肯定句中。一般置于助动词have/has之后，过去分词之前，但也可以放在句末。我已经看过这部电影了。Ihavealreadyseenthefilm. 我已经解决了这个问题。Ihavealreadysolvedthisproblem.我已经做完家庭作业了。Ihavefinishedmyhomeworkalready.现在完成时--与already连用yet，在现在完成时句型中常置于句末。1)已经，常用在疑问句中。琳达已看过这本书了吗?HasLindareadthebookyet?你完成家庭作业了吗？Haveyoufinishedyourhomeworkyet?2)还，仍然，常用于否定句和疑问句。他还未开始工作。Hehasnotbeguntoworkyet.现在完成时--与yet连用just刚刚，常用于肯定句中。一般置于助动词have/has之后，过去分词之前。我刚吃过午饭。Ihavejustfinishedlunch. 我们刚刚听说她的婚讯。Wehavejustheardofhermarriage.现在完成时--与just连用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事情有关，但是现在完成时强调这一动作与现在的关系，如对现在产生的结果、影响等，而一般过去时只表示过去的事实，不表示和现在的关系。如：现在完成时与一般过去时Iwenthomeat10:00yesterday.Ihavegothomenow.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，我是一个小时之前写完的。Fillintheblankswiththecorrectformsofthewordsinbrackets.4bSally____(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She___already____