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1、人教版英语八年级下Unit8SectionA（Grammar_Focus-4c）公开课课件初中英语人教版八年级下Unit8HaveyoureadTreasure Island yet?GrammarFocus-4cPreviewNow 2 mins to test your spelling.1.English-Chinesetreasure,island,classic,page,ship,tool,gun,mark,sand,cannibal,land,fiction,technology,French2.Chinese-English满是的；赶快；预期；做记号；朝；科幻小说Whenfin
2、ished,exchangeyourpaperstoseewhodoesthebest.Task1:Remember these sentences.1.I havent read it yet.2.Sandy,have you finished the reader yet?3.Have you read Little Women yet?1.4.Ive already read it.2.5.Ive just finished Oliver Twist and 3.6.Have you heard of them yet?10secondsTask2:Fill in the blanks.
3、1.I _ _ read it _.2.Sandy,_ you _ the reader_?3._ you _ Little Women _?4.Ive _ read it.5.Ive _ _ Oliver Twist and 6.Have you _ them _?justhave not yethavefinishedHavereadyetyetalreadyfinishedheard ofyetPracticeChoose the best answer.1.Bothhisparentslooksad.Maybethey_whatshappenedtohim.A.knewB.havekn
4、ownC.mustknowD.willknow2.Thefamouswriter_onenewbookinthepasttwoyears.A.iswritingB.waswritingC.wroteD.haswritten3.Ourcountry_alotsofar.Yes.Ihopeitwillbeeven_.A.haschanged;wellB.changed;goodC.haschanged;betterD.changed;better4.WhatareyougoingtodothisSunday?I_yet.A.wontdecideB.didntdecideC.haventdecide
5、dD.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.seeLanguage Points现在完成时定义现在完成时定义三要素：1.表示到现在为止已经完成或刚刚完成的动作。2.一件发生在过去的事情对现在产生影响。3.一个动作开始于过去，并持续到现在（也许还将持续
6、下去）。2012started learning English2016learning4 yearshave learned EnglishIstartedlearningEnglishin2012.IamlearningEnglishthesedays.IhavelearnedEnglishfor4years.（一般过去时）（现在进行时）（现在完成时）现在完成时结构肯定句：主语+have/has+过去分词+.否定句:主语+havent(havenot)+过去分词主语+hasnt(hasnot)+过去分词.疑问句:Have/Has+主语+过去分词.?Ihaventfinishedmyhome
7、work.Haveyoufinishedyourhomework?Ihavefinishedmyhomework.结构结构现在完成时的用法1)表示到现在为止已经完成或刚刚完成的动作。Bynow,IhavecollectedallthedataIneed.Nowwehaveplantedallthetrees.2)表示过去发生的动作,强调结果或对现在的影响。Someonehasbrokenthewindow.Ihavejustcleanedmyhands.(窗户现在是坏的)(手是干净的)3)表示从过去开始并持续到现在的动作或状态。ShehaslearnedEnglishfor5years.Heh
8、aslivedinBeijingsincehewasborn.过去分词的规则、不规则变化(1)一般动词，在词尾直接加“ed”。work-worked-worked(2)以“e”结尾的动词，只在词尾加“d”。live-lived-lived规则变化(3)以“辅音字母+y”结尾的动词，将“y”变为“i”，再加“ed”。study-studied-studied(4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed”。drop-dropped-dropped不规则变化A.过去分词与过去式形式一样havehadhadspendspentspentmakemademadesaysaid
9、saidfindfoundfoundhearheardheardmeetmetmetleaveleftleftB.过去分词与过去式形式不一样taketooktakenspeakspokespokensingsangsungdrivedrovedrivenbewas/werebeengowentgoneC.过去分词、过去式与动词原形一样cutcutcutputputputletletletreadreadread现在完成时常见标志词标标志志词词already/yetever/neverjust/before/uptonow/inthepastyearsalready一般用于肯定句；yet用于否定
10、句和疑问句。多用于否定句和疑问句中，意为“曾经”；“从未”。Tomhasalreadyfinishedhishomework.Tomhasntfinishedhishomeworkyet.Haveyouevereatenfish?Ihavenevereatenfish.Ihavejusthadmylunch.Shehasntseenyoubefore.例句Usethewordsinbracketstocompletetheconversations.4a1.A:Wouldyoulikesomethingtodrink?B:No,thanks._.(just/drinksometea)2.A:I
11、heardyoulostyourkey._?(find)B:No,notyet.IhavejustdrunksometeaHaveyoufoundit3.A:DoyouknowwhenTomisleaving?B:_.(already/leave)A:When_?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No._.(already/seethefilm)HehasalreadyleftdidheleaveShehasalreadyseenthefilm5.A:Whatdoyourparentsthi
12、nkaboutourplan?B:I_.(not/tellthem/yet)haventtoldthemyetFillintheblankswiththecorrectformsofthewordsinthebrackets.4bSally_(love)reading.Inthemorningshereadsthenewspaperandintheeveningshereadsbooks.She_already_(read)morethan100differentbooks.Herfavoritekindofbooksissciencefiction.Sheisinterestedinscie
13、nceandtechnologyandlovestoimaginewhattheworld_(be)likein50years.loveshasreadwillbeShe_(finish)readingabookaboutrobotslastweekand_(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_(notread)yetandshecantwaittoreadthem.finishedwillwritehasntreadCo
14、mpletethechartwithinformationaboutyouandyourfriend.4cA:Whatbookshaveyoualreadyread?B:IhavealreadyreadTom Sawyer andHarry Potter.A:Whatdoyouthinkofthem?B:Well,IthinkHarry Potter wasexciting,butTom Sawyer wasabitboring.YouYour friendCommentsBooks I have already readMovies I have already seenSongs I ha
15、ve already heardExercise1.MissBrown,we_cleaningourclassroom.Canwegohomenow?A.finishB.finishingC.arefinishedD.havefinished2.WillyouseethefilmCinderellawithustonight?No,I_itlastweek.A.seeB.haveseenC.saw3.Wherearetheflowers?Yousee,someone_themtothewindow.A.movesB.hadmovedC.hasmovedD.wouldmove4.I_thebookLittle Woman,butIllletyoureaditfirst.Ahaventread BdontreadCwontread1.Reviewthenewwordsandexpressions.2.MakesentencesusingthePresentperfecttensewithalreadyandyet.(atleast10sentences).Homework