初中英语人教版八年级下册Unit 8 Grammar focus.ppt

现在完成时,龙江县育才学校：吴雪君,Haveacheck,针对难易程度可以选出加分选手进行课前检测，并由学科班长和组内1号进行批阅并加分。要求：书写字迹工整规范，讲解仪态大方，语言准确精炼。,Makeaspeech,要求：演讲者，语言流畅，声音洪亮，预设问题，难易适中。倾听者认真倾听，并思考演讲者提出的问题。,现在进行时,now,过去进行时,一般过去时,一般将来时,一般现在时,段性时间,现在完成时,Warmup,Studyinggoals,1、进一步熟练掌握动词过去分词变化方式：1）普通动词+ed2）特殊变化：be-beencome-comeect.详情见教材P2、学会运用现在完成时表达不同句式、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.?3、能够掌握现在完成时的用法及时间副词。,现在完成时三大用法,用法1,1)表示到现在为止已经完成或刚刚完成的动作。,Bynow,IhavecollectedallthedataIneed.Nowwehaveplantedallthetrees.,现在完成时三大用法,用法2,2)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),现在完成时三大用法,用法3,3)表示从过去开始并持续到现在的动作或状态。,ShehaslearnedEnglishfor5years.HehaslivedinBeijingsincehewasborn.,1、-Wouldyouliketogotoseethefilmwithme?-Thankyouverymuch.ButI_italready.A.sawB.haveseenC.see2、Myaunt_tenbookssince1980.haswrittenB.writesC.Wrote3、-Whyareyoustillhere?-I_myworkyet?haventfinishedB.finishedC.finish4、Inthepastfewyears,thecity_manybuildings.A.builtB.hasbuiltC.havebuilt,Self-study,B,A,A,B,workingroups,通过小组合作学习找出现在完成时的时间副词。运用现在完成时造句子，并讨论肯定、否定和一般疑问句形式。,1、-Wouldyouliketogotoseethefilmwithme?-Thankyouverymuch.ButI_italready.A.sawB.haveseenC.see2、Myaunt_tenbookssince1980.haswrittenB.writesC.Wrote3、-Whyareyoustillhere?-I_myworkyet?haventfinishedB.finishedC.finish4、Inthepastfewyears,thecity_manybuildings.A.builtB.hasbuiltC.havebuilt,Self-study,B,A,A,B,Show,要求:言语表达清晰,讲解准确,其他组可以补充.,for+段性时间,since+过去时间/过去动作,sofar,ever,never,just,yet（用于否定句),till/until,already用于肯定句）,inthepast/lastyears,always，bynow,thesedays,recently,once,before,lately,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.?,Ihaventfinishedmyhomework.,Haveyoufinishedyourhomework?,Ihavefinishedmyhomework.,Abilityimprovement,要求：全组运用现在完成时的不同结构编辑对话并表演，语态自然，声音洪亮，内容丰富、新颖。,Crazymemory,要求：掌握本节课知识点，以组为单位互考，组长负责监督、检查。,Usethewordsinbracketstocompletetheconversations.,1.A:Wouldyoulikesomethingtodrink?B:No,thanks._.(just/drinksometea)2.A:Iheardyoulostyourkey._?(find)B:No,notyet.,Ihavejustdrunksometea,Haveyoufoundit,Exercise,3.A:DoyouknowwhenTomisleaving?B:_.(already/leave)A:When_?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No._.(already/seethefilm),Hehasalreadyleft,didheleave,Shehasalreadyseenthefilm,5.A:Whatdoyourparentsthinkaboutourplan?B:I_.(not/tellthem/yet),haventtoldthemyet,Fillintheblankswiththecorrectformsofthewordsinthebrackets.,Sally_(love)reading.Inthemorningshereadsthenewspaperandintheeveningshereadsbooks.She_already_(read)morethan100differentbooks.Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld_(be)likein50years.,loves,has,read,willbe,She_(finish)readingabookaboutrobotslastweekand_(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_(notread)yetandshecantwaittoreadt