高中英语-Unit Two Healthy eating教学设计学情分析教材分析课后反思

PAGE6PAGE学案导学Unit2HealthyeatingPeriod3Grammar语法专项:情态动词oughtto,haveto及need的用法；情态动词+havedone结构编制：单位：一．Teachingaims:1.Canusemodalverbs:oughtto,havetoandneedcorrectly.2.Canusemodalverb+havedonecorrectly.二．Difficultandkeypoints:1.Theusagesofoughtto,havetoandneed2.Theusagesofmodalverb+havedone三．Teachingmethods:PapersVideos四．Teachingprocedures:Lead-inpresentationsummary课前自主落实：翻译下列句子：1.到现在他的餐馆应该满人了。————————————————————2.如果李昌没有像往常一样来他的餐馆吃饭一定发生了可怕的事情。————————————————————————————————3.可能发生了什么呢？————————————————————————课中探究学习：一.oughtto表示义务责任或建议劝告，后跟动词原形，无人称，数和时态变化，意为：应当，应该eg.1.Humansoughttostoppollutingnature.即时训练：Heobeyhisparents.考点提示：1.oughtto否定形式为oughtnot(oughtn’t)to;一般疑问句形式将ought置于主语前，肯定回答常用oughtto,否定回答常用don’thaveto或needn’t.eg.1.Yououghtn’ttomakethiskindofmistakeagain.即时训练：Oughthetoseethedoctor?Yes,he./No,hedoesn’thaveto.(he.)2.oughttohavedone相当于shouldhavedone表示本应该做某事而事实上未做oughtn’ttohavedone相当于shouldn’thavedone表示本不该做某事而实际上却做了eg.1.Youarelate.Yououghtto/shouldhavearrivedfiveminutesearlier.即时训练：Sheisveryangry.We（tell)herthebadnews.重点提示：一般来说oughtto和should可互换，但oughtto语气略强，另表示出于法令规则，行为准则，道德责任等客观情况而应该做某事；而should也强调主观看法。eg.1.Thereoughtnottobesomuchnoiseinahospital.即时训练：Youaremistaken,Isay.(据我看）二.haveto表客观上的必要性，常被看作情态动词，意为不得不，有人称，数和时态变化；其疑问式和否定式由助动词do/don’t构成。eg.1.Ababyhastosleepmorethan12hoursaday.即时训练：Itwasrainingoutside;Westayathome.考点提示：don’thaveto表没有义务或必要做某事，意为不必，常可回答must提问的疑问句。而must的否定式mustn’t指说话人的主观命令或强烈劝告或禁止。eg.1.Thereisplentyoftime.Youdon’thavetohurry.即时训练:1.Mustwehandinourplanthisweek?No,you.(No,youneedn’t.)2.Youdrivewithoutalicense.三.need作为情态动词，主要用于否定句，疑问句和条件从句eg.Whyneedyougotoday?即时训练:wemakethetest?-No,weneedn't.重点提示：由need引起的一般疑问句，肯定回答用must/haveto,否定回答用needn’teg.Needhedoitallatonce?Yes,hemust./No,he(doesn’thaveto).考点提示：needn’thavedone表本没必要做而做了eg.1.Iactuallyneedn’thaveboughtsomuchwineonlythreepeoplecame.即时训练:I(take)abathforIdiditlastnight.归纳拓展:need既可作情态动词也可做实义动词。作实义动词同其他实义动词一样，有人称，数和时态的变化，构成否定句和疑问句时要用助动词do/does.eg.1.Thereistoomuchhousework,sohermotherneedssomehelp.即时训练:Lastnightshehishelptofinishthework,buthewasn’tathome.四.情态动词+havedone类型 构成 主要用法 句式典型例句表对过去的推测 musthavedone 对过去已发生行为进行推测，意为想必，准是，一定作了某事 肯定句 Youmusthavegonetobedlatelastnight.表对过去的推测can/couldhavedone 对过去发生行为的怀疑和不肯定 否定句疑问句Hecannothaveforgottenit. 表对过去的推测 may/mighthavedone 对过去已发生行为进行推测，意为也许，或许 肯定句否定句 It’stoolate.Ithinkhemayhavegonetobed.表后悔，责备或遗憾couldhavedone 表过去没有实现的可能性，意为本来可以 肯定句 Theaccidentcouldhavebeenavoided.表后悔，责备或遗憾mighthavedone 表本来可以做某事，含轻微责备 肯定句 Youmighthavegivenhimmorehelp,thoughyouwerebusy.表后悔，责备或遗憾oughtto/shouldhavedone表本该做某事而实际上未做 肯定句否定句Youarelate.Yououghttohavearrivedfiveminutesearlier.表后悔，责备或遗憾needn’thavedone 表做了本来不必做的事 否定句Iactuallyneedn’thaveboughtsomuchwineonlythreepeoplecame.巩固练习：1.I___________havewatchedthatmovieit’llgivemehorribledreams.(2010.山东高考）A.shouldn’tB.needn’tC.couldn’tD.mustn’t 2.Mark__________havehurried.Afterdrivingattopspeed,hearrivedhalfanhourearlier.(2010.天津高考）A.needn’tB.wouldn’tC.mustn’tD.couldn’t3.Jackdescrisbedhisfather,who_______abraveboymanyyearsago,asastrong-willedman.(2010.安徽高考）A.wouldbeB.wouldhavebeenC.mustbeD.musthavebeen4.You________buyagift,butyoucanifyouwantto.(2010.湖南高考）A.mustB.mustn’tC.haveD.don’thaveto5.You________parkhere!It’sanemergenceexit.(2010.重庆高考）A.wouldn’tB.needn’tC.couldn’tD.mustn’t6.___Sorry,ProfessorSmith.Ididn’tfinishtheassignmentyesterday.___Oh,you______havedoneitasyesterdaywasthedeadline.A.mustB.mustn’tC.shouldD.shouldn’t学情分析高一学生底子薄基础弱，中考英语成绩大多在五十，六十分左右，二，三十分的也不少，鉴于此情况，我就狠抓基础，夯实落实。效果分析课堂秩序井然有序，学生积极踊跃回答问题，且能够较快掌握知识点且正确运用。教材分析本单元以健康饮食为话题，大量使用情态动词oughtto，should，need,haveto以及情态动词+havedone结构，以此引出对这一语法项目的学习。为加强学生对这一语法项目学习和巩固，特制定这一课时的学习。学情分析评测练习1.I___________havewatchedthatmovieit’llgivemehorribledreams.(2010.山东高考）A.shouldn’tB.needn’tC.couldn’tD.mustn’t 2.Mark__________havehurried.Afterdrivingattopspeed,hearrivedhalfanhourearlier.(2010.天津高考）A.needn’tB.wouldn’tC.mustn’tD.couldn’t3.Jackdescrisbedhisfather,who_______abraveboymanyyearsago,asastrong-willedman.(2010.安徽高考）A.wouldbeB.wouldhavebeenC.mustbeD.musthavebeen4.You________buyagift,butyoucanifyouwantto.(2010.湖南高考）A.mustB.mustn’tC.haveD.don’thaveto5.You________parkhere!It’sanemergenceexit.(2010.重庆高考）A.wouldn’tB.needn’tC.couldn’tD.mustn’t6.___Sorry,ProfessorSmith.Ididn’tfinishtheassignmentyesterday.___Oh,yo