课件英语必修二Uni1Usinglanguage

Unit1FoodforthoughtUsinglanguageMichelleGrammar01Modals（1）Review按照动词在句中的功能，可以把动词分为系动词、实义动词、助动词和情态动词。动词Be动词实义动词助动词情态动词系动词本身具有一定的词义但不够完全，必须后接表语共同构成复合谓语，构成所谓的“系表结构”。常见的系动词有：be、remain、seem、appear、smell、feel、sound、taste、look、feel、get、grow、become、keep等。Modals（1）动词Be动词实义动词助动词情态动词实义动词具有实际的词义，独立作谓语。实义动词分为及物动词和不及物动词。（1）及物动词及物动词后面必须要有自己的宾语，构成所谓的“动宾结构”。（2）不及物动词不及物动词不需要宾语，但有些不及物动词与介词连用后接宾语，构成所谓的“介宾结构”。也即，不及物动词要想接宾语，就应当与介词连用。Modals（1）动词Be动词实义动词助动词情态动词助动词不能独立作谓语，只能和其他动词的一定形式共同构成复合谓语。助动词分为基本助动词和半助动词。（1）基本助动词基本助动词本身没有词义，不能独立作谓语，只能和其他动词的一定形式共同构成复合谓语。基本助动词主要有：be、do、have、shall、should、will、would等。（2）半助动词半助动词是一种介于实义动词和助动词之间的动词结构，本身有词义但不够完全，不能独立作谓语，只有和其他动词的不定式共同构成复合谓语，才能表达完整含义。半助动词主要有两类：be+形容词+to；appear/seem/chance/happen等词+to.Modals（1）动词Be动词实义动词助动词情态动词情态动词本身有词义但不完全，不能独立作谓语，没有人称和数的变化，只能和其他动词的一定形式共同构成复合谓语。常见的情态动词主要有：can、could、may、might、must、haveto、shall、should、oughtto、will、would、need、dare、usedto等。shall、should、will、would既可以作助动词，又可以作情态动词。但是，它们作情态动词时具有一定的词义，作助动词时没有词义，只是表示时态。Modals（1）…Iwasabletoholdaknifeandfork–andchopsticks!c.…MumandIjusthavetofindawaytogethimintothekitchen!e.“Youneedn’ttryitifyoudon’twantto,”Mumsaid,…Thinkandworkoutthemeaningsofthewordsinred.b.ButtherearestillsomedishesthatDaddarenottryevenaftermany

yearsofmarriagetomymother.d.…we’dbetternoteattoomuchroastfoodasitmaymakeussufferfromheatinsideourbodies,…Modals（1）Talkaboutthefunctionofmodals.Thenmatchthemeaningstothewordsinbold.Modals（1）Underlinethemodalsintheintroductiontoanappandtalkabouttheirmeanings.Ifyoudarenottrya“painful”diettostayhealthy,thisnewappistheperfectsolution-andyouneedn'tpayforit!Theappworksbyquicklyshowingphotosofdifferentfood.Allyouhavetodoisselectthephotosofhealthyfood.Thenyou'llbeabletotrainyourbraintoselecthealthyfoodinrealsituations.So,ifyou'reasugaraddictandaren'tabletosaynotochocolateorcola,youhadbetterdownloaditnow!Modals（1）dare&needIdarenotgooutaloneatnight.It’squitewarmhere,weneednotturntheheatingonyet.Youneedtodoityourself.MostpeoplehateHarrybuttheydon’tdaretosayso.need和dare既可作情态动词,也可用作实义动词.情态动词主要用于否定和疑问句中.用作实义动词,可用于各种时态.(1)用作情态动词Howdarehetakemybicyclewithoutevenasking!(2)用作实义动词Thechildrendon’tdare(to)makeasoundwhiletheirparentsaresleeping.dare作实义动词时,在否定句、疑问句中不定式符号to也可以省略。【即学即用】语法填空(1)Idaren’t___(say)that.Dareyou___(go)withme?(2)Hedidn’tdare________(look)atherintheface.

(3)Youneedn’t____(talk)toanyoneifyoudon’twantto.(4)Adultsneed______(live)theirownlivesandthat’sdifficultwithchildren.

saygo(to)looktalktoliveModals（1）haveto&must1.haveto意为“不得不,必须”,后跟动词原形。Ihavetofinishthisessaytoday,aswehavetohanditintomorrow.我今天得完成这篇论文,因为我们明天必须上交。2.haveto与must的区别。(1)must强调说话者的主观意愿;haveto强调客观上的必要性。Stillwemustclimbanddreamaboutwhat’satthetopofourmountain.我们仍必须勇于攀登人生的巅峰并憧憬美好未来。Ihavetochangethetimeforthelessonfrommorningtoafternoonforsomereasons.由于某些原因我不得不把上课时间由早晨改到下午。(2)mustn’t不许,不可以,表示禁止;nothaveto不必。Youmustn’tcomebackafteraquarterpasteight.Youdon’thavetoworryabouthim.He’sagoodswimmer.Modals（1）beableto&

can/couldWillyou_______________cometomorrow?IamsorryIhaven’t________________toansweryourletterintime.Themathproblemwasveryhard,butI______________toworkitout.Bythetimeshewaseight,she_______________speakCreekandLatin.Iwantherto__________useacomputer.1)beableto有更多的时态,can只有一般式和过去式.2)was/wereabletodosth.表示有结果,相当于succeedindoing.

could

仅表示客观上有某种能力,不说明实施该能力后的结果.beabletobeenabletoamableto/canhavebeenabletobeabletoModals（1）Modals（1）hadbetterWehadbetter_________(get)therebeforeitgetsdark.Youhadbetter_____________(nottalk)soloudly.hadbetter后跟动词原型,表示”最好做某事”,否定是”hadbetternot”.【语法填空】(1)Iseeyourpoint,butwestill____________________beforemakingadecision.

我明白你的意思,但我们还是最好在做出决定之前仔细考虑一下。(2)You_______________________________________anyexperimentsuntilyourglasseshavebeenrepaired.

在你的眼镜修好之前,你最好不要做任何实验。hadbetterthinkitoverhadbetternotdo/conduct/perform/carryoutCompletethetipsforgoodtablemannerswithcorrectformofthemodals.havetodarenothadbetterneedn’t

/don’thavetobeabletoTablemannerstestVocabularybuilding02Readandmatchthecommentstothepictures.cadbUnderlinethewordsthatdescribefoodintheactivityandputthemintothetable.Addanymoreyoucanthinkof.shinylargeroundpinktinyfreshburntthickbrightcolourfulfishy

stinkyfragrantpungentsmokyspicybittersweetfruity

sourhotsaltytendersoftjuicycoldstickysmoothcreamy

crispyhardchewy1.giveitthatfamoussmokyflavour有一股极好的烟熏味2.comewithashinysauce配有一种闪闪发光的酱汁3.lookslightlypinkinside里面透出点淡粉色4.incrediblysoftandjuicy极其柔软多汁5.meltinthemouth入口即化6.orderalargevegetarianpizza点了一个大号的蔬菜比萨7.beservedcold端上来是凉的8.tastebitter尝起来苦9.smellreallyfishy闻起来带有腥味10.highlyrecommended强烈推荐Workinpairs.Talkaboutyourfavouritefoodusingthewordsyouhavelearnt.Example:A:What’syourfavouritefood?B:Myfavouritefoodis...A:Howdoesitlook/smell/taste/feel?B:Itlooks/smells/tastes/feels…Listening&speaking03◊Thesugarinsoftdrinksformsacidandattacksourteethforabout20minuteseachtimewedrinkthem.◊About30%oftheworld'spopulationisoverweight.Didyouknow?HealthyeatingHealthyeatingIfyouwerehavingdinnerinarestaurant,whatkindoffoodanddrinksw