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用心爱心专心Module5ALessoninaLab-grammar教案Teachingcontentandaims:1.Learntheexpressionsaboutthedegreesofcomparison.2.Learnsomeadverbswhichcanputinfrontofthecomparativeexpressionsofadjectivesandadverbs.3.Writeoutthesesentencepatterns.TeachingDesign:Task:Learnthecomparativeexpressions.Pre-taskRevisionA.Revisewhatwehavelearnedlastlesson.B.Lead-inTheearthisforty-ninetimeslargerthanthemoon.=Theearthisforty-ninetimesaslargeasthemoon.Today,we’lllearnthedegreesofcomparison.Cycle-taskActivity1:Instruction1.形容词和副词的比较等级的用法:1)原级比较:表示两者程度相同。用句型表示:(倍数+)as+adj./adv.原级+as…,否定句式:not+(倍数+)as/so+adj./adv.原级+as…,如:e.g.Dickisastallashisbrother.Ihaveneverseenapersonas/socleverasheis.2)比较级:A.表示A超过B。此时使用句型:Ais(倍数+)形容词和副词的比较等级+than+B如:Ourclassroonisbrighterthanyours.Dogsrunfasterthanrabbits.Idon’tthinkmathsismoreimportantthanphysics.B.表示A不如B。用句型:less+adj./adv.原级表示。如:Rabbitsranlessfastthandogs.Jennyislesscleverthanhersister.用心爱心专心Itrainslessoftenhereinautumnthaninspring.3)Aisthree(four…)timesthesize(height,length,width,depth,…)ofB.e.g.Thenewbuildingisfourtimesthesizeoftheoldone.注意:一倍用:once二倍用:twice/double三倍及以上使用:three/four…times.4)形容词和副词的比较等级的特殊用法:A.“越来越……”e.g.Youaregrowingtallerandtaller.Englishisbecomingmoreandmoreimportant.B.“越……,越……”e.g.Theharderyoupush,themorequicklythecartwillmove.Themorecarefulyouare,thebetteryouwilldointheexam.C.“两者之中比较……的一个”:用of引导,比较级前加上the,如:Jackisthetallerofthetwobrothers.D.nomorethane.g.Shehasonmorethanoneyuaninherpocket.E.nomore…than.e.g.Heisfeelingnobetterthanyesterday.他觉得不比昨天好多少。(即今天昨天感觉都不好)Sheisnotmoregenerousthanheryoungersister.她不如她妹妹那样慷慨大方。=Sheisnotsogenerousasheryoungsister.F.nolessthane.g.Ihavenolessthantendictionaries.我起码有十本字典。Ihavenotlessthantendictionaries.我具有的词典不少于十本。G.noless…thane.g.Sheisnolessdiligentthanyou.H.不用比较级形容词的比较,如:senior,junior,superior,inferior等。e.g.MrSmithisthreeyearsseniortohiswife.I:Heismorewisethandiligent.与其说他勤奋,不如说他更聪明。注意:Farther和further主要指“距离”和“时间”的比较,表示“更远”;further和furthest指“程度”,表示“更进一步”。用心爱心专心elder和eldest是用来表示家族关系的长幼顺序,只作定语形容词;older和oldest表示年龄的比较,以及事物的新旧,既可以作定语形容词又可以作表语形容词。later和latest指时间的先后,但latter和last指顺序的先后。Activity2:WorkinpairsAnswerthequestions.1.Whatiswrongwiththissentence?Iwenttheretwotimes.2.IfobjectAis10metreslong,andobjectBistwiceaslongasobjectA,howlongisobjectB?3.IfobjectAweighs100kilogrammes,andobjectBisfourtimesheavier,howheavyisobjectB?Activity3:DiscoveryLookatthesesentences.1.Comeabitcloser.2.Weneedrathermorethanthat.3.Itweightsalittlemorethanbefore.4.It’llbealotheavierthanmagnesium.5.Isitanyheavier?6.Weneedapiecewhichsiverymuchbiggerthanthat.A.underlinethecomparativeexpressions.B.Circletheadverbsusedtogivemoreinformationaboutthecomparativeexpressions.Summary:英语中常见的用来修饰比较级的词/词组1.alittle,abit,rather比……一点e.g.Heisalittletallerthanhisbrother.2.much,alot,lots,far,agreat/gooddeal比……得多e.g.Thisbookismuchmoreinstructivethanthatone.Thingswerefarworsethanexpected.3.even,still,yet比……更…..,愈…..e.g.Heisevenfatterthanhisfather.Thisriveriswidebutthatriveriswiderstill.(=stillwider)用心爱心专心still有时可置于比较级之后,其条件是:比较级单独使用,后面没有than从句.4.分数,百分数,倍数及有关时间\长度\重量等的名词修饰比较级\表示比较的程度.e.g.SheisaheadtallerthanI.MyelderbrotheristwoyearsolderthanI.5.表”并不”,”和…….一样不”no或notanye.g.HeisnoricherthanI.=HeisaspoorasI.6.some或any修饰比较级,但多用于more之前,some用于表建议或请求的问句中,any用于否\疑问句中.e.g.Areyoufeelinganybetter?Wouldyoulikesomemorerice?Much/alittle/abit+more+uncountablenoun.many/afew/num.+more+countablenoun.e.g.Hehasmademuchmoreprogressthananyoneelseinhisclass.7.byfar修饰比较级注意位置:在比较级或最高级形容词或副词之后/或在有the或a的比较级或最高级词句前或后.译为:大量;…….得多,非常,最…e.g.Sheisthebestbyfar.=Sheisbyfarthebest.e.g.Hisexplanationisclearerbyfar.Heisbyfarthetallerofthetwobrothers.Hishandwritingisbetterbyfarthanthatofanyotherstudentinhisclass.ThePacificisbyfarthelargestocean.Farfrom:远非=notatalle.g.He’sfarfrompleasedwithyourwork.Post-task:Activity1:writethesentences.Doactivity2onpage47.Doactivity2onpage43.Summaryandquestiontimes:Recallwhatwehavelearnt.Homework:Dotheexercises1,2,3and4onpage91-92intheworkbook.Feedback:
本文标题:高中英语Module5Alessoninalab-grammar教案(外研版必修1)
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