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1、高考Unit1FoodforthoughtPeriod3 Usinglanguage学案设计学习目标Aftertheclass,thestudentsareableto:1.understandthefunctionalmeaningsofmodalverbsandchooseappropriatemodalverbsaccordingtothecontext;2.practisetheexercisesrelatedtomodalverbs;3.talkaboutrelateddietproblemsusinggrammarproperly;4.r
2、aisetheirawarenessofhealthydietanddevelopphysicalquality.课堂探究Step1:Lead-inActivity1:Findoutthesentenceswithmodalsinthereadingpassage Step2:Activity2:Fillintheblanksbyusingcorrectmodalverbs①...Iholdaknifeandfork—andchopsticks! ②ButtherearestillsomedishesthatDadtryevenaftermanyy
3、earsofmarriagetomymother. ③...MumandIjustfindawaytogethimintothekitchen! ④...wenoteattoomuchroastfoodasitmaymakeussufferfromheatinsideourbodies,... ⑤“Youtryitifyoudontwantto,”Mumsaid,... ReadthesentencesinActivity2andanswerthequestions.Talkaboutthefunctionsofmodals.Thenmatchthe
4、meaningstothewordsyoufilled.1.Whataremodalverbs?-12-/12高考 2.Whatarethecharacteristicsofmodalverbs? Matchthemeaningstothewordsyoufilled.1.beafraidtodosomething2.notbenecessarytodosomething3.giveadvicetodoornottodosomething4.benecessaryorgivestrongadvicetodosomething5.havetheabil
5、itytodosomething*总结归纳:几种常见情态动词的用法Step3:Activity3:Learningofmodalverbs一、beableto1.beableto后接动词原形,表示某人有做某事的能力,与can的用法相近。如:IamabletospeakEnglish.我能讲英语。2.beableto与can的辨析:①beableto有多种时态,如:was/wereableto,will/shallbeableto,have/hasbeenableto等,而can只有两种时态,即can和could。②beableto强调通过努力而获得的
6、能力,而can则强调自身已具有的能力。如:ShecansingthesonginEnglish.她能用英语唱这首歌。HewillbeabletosingthissonginEnglishinafewhours,too.几小时之后,他也能用英语唱这首歌。③beableto强调一种结果,而can只强调一种可能。如:Luckily,hewasabletoescapefromthebigfireintheend.幸运的是,他终于逃出了大火。Ifhehadgothereafewhoursearlier,Icouldhavesavedhim.要是他早几小时来,我
7、还能救他。-12-/12高考④beableto的否定形式是在be后面直接加not,即benotableto;beableto可用在may/might之后。如:Thekidisnotabletowrite.这孩子不会写字。Butwemaynotbeabletodothisforeveryscenario.但是我们不能每一种场景下都这么做。即时训练:选词填空(can/beableto)①Hemightfixyourcar. ②WhenIwasyoung,Iclimbanytreeinthewoods. ③Intodaysinformationage,th
8、elossofdatacauseseriousproblemsforapany. ④Fatherspenta
