八年级英语上册Module4Planes,shipsandtrainsUnit3Languageinuse课件（新版）外研版.ppt

Unit3Languageinuse,Module4Planes,shipsandtrains,StudyingaimsTograspthewordsbyusingtheminothersituations.Tolearntomakeapracticalplan.Tocomparethedifferentplansandchosewhichoneisthebest,Whendoweusethesuperlativedegree?Canyougiveussomeexamples?,Hesthetallestinourclass.Shesthemostcarefulofthethree.TheYangtzeRiveristhelongestriverinChina.,Whenweneedtoexpressthehighestorlowest,farthestornearest,fastestorslowestdegreesofaquality,amongthethreeormorethanthreeofthenumber.,我们什么时候用形容词和副词的最高级,当我们需要对三个或三个以上的人或事物进行比较，来表达最高、最快、最远等意义的时候，我们可以用形容词和副词的最高级来表达。,Itsthemostexpensiveway,butitsthemostcomfortable.BritishAirwaysisoneofthebusiestinternationalairlines.,biggest,hottest,reddest,thinnest,busiest,easiest,earliest,mostdangerous,mostexpensive,mostcomfortable,mostcareful,mostbeautiful,Whatformsarethey?,Formsofthecomparativeandsuperlative:1)regularcomparison,a)+est;b)most2)Irregularcomparison,tallest,longest,shortest,oldest,smallest,fastest,nicest,finest,largest,closest,最高级的表达有两种方式：一种是在词尾加-est,另一种是在词前加most。其变化用下表表示：,1.farther2.better3.worse4.more5.less,1.farthest2.best3.worst4.most5.least,Theexamplesbelongtotheregularformsofthesuperlative.Herearetheirregularformsofsuperlative,以上是符合规律的形容词或副词的变化形式，还有些不符合规律、有特殊的变化形式，即不规则变化。,Thisbustakesthe_(long)timebecauseitisthe_(slow).Thenewtraintravelsthe_(fast)ofallthetrainsintheworld.The_(cheap)waytogetthereisbycoach.Iaminahurry.Whatisthe_(fast)waytogetthere?Thefastestwaytotravelisbyplane,butusuallyitisalsothe_(expensive),Workinpairs.Askandanswerquestions.,longest,slowest,fastest,fastest,cheapest,mostexpensive,Customer:HowcanIgettoBeijingfromhere?Touristguide:Customer:Whichisthefastestway?Touristguide:Customer:Whichisthecheapestway?Touristguide:Customer:Whichwayisthemostcomfortable?Touristguide:,Themostcomfortablewayisgoingbytrain,butittakesmoretimethangoingbyplane.,Byplane,butyouhavetogototheairportbytaxiandthattakestimetoo.,Thecheapestwayisgoingbycoach,butitisnotverycomfortable.,Therearethreeways:byplane,bytrainandbycoach.,Completetheconversationwiththesentencesinthebox,Completetheconversationwiththecorrectformofthewordsfromthebox.,cheapcloseexpensivegoodmuchslow,A:Whatsthe_waytogotoQingdao?B:Wecantakeaplanebutthats_.Wecanalsotakethetrain.Its_butitsnotsoexpansive.Thecoachisthe_waytogoandittakes_time.A:Sohowshouldwego?B:Ithinkthebestwayisbytrainbecausethetrainstationisthe_toourhome.,best,expensive,slower,cheapest,most,closest,Listenandmatchthecitieswiththeinformation.,LondonBirminghamOxfordCambridge,thecitywithfourmillionpeopleasmallbeautifultownthemostexpensivecitythemostinterestingcitythebiggestcity,Listenagainandanswerthequestions.,1.Whichcityhasthelargepopulation?,2.Whichcitieshavetheoldestuniversitiesintheworld?,London.,OxfordandCambridge.,3.WhichcityisthenearesttoLondon?,Cambridge.,4.WhatarethepopularplacesforsightseeinginLondon?,BigBen,BuckinghamPalaceandTowerBridge.,takeabus,Completethewordmap.,travelling,plane,taxi,bus,train,bytaxi,takeataxi,taxistand,busstop,bybus,airport,byplane,takeaplane,takeatrain,bytrain,trainstation,takeabus,Workinpairs.Chooseaplaceyouwouldyouliketovisit.Askandanswerthequestionsaboutthenewsbywhichyoucangetthere.,1.Whatisthecheapestwaytogetthere?2.Whatisthemostexpensivewaytogetthere?3.Whatisthefastestwaytogetthere?4.Whatisthemostcomfortablewaytogetthere?5.Whatisthesafestwaytogetthere?,FromDaliantoBeijing,or,Ithinkthecheapestwaytogetthereisbybus.OrIthinkitsbybus.,Firstfillintheblanksandthenanswerthefollowquestions.,WhatplaceisSallysfamilyplanningtotravel?2.Whatplacesdotheywanttovisit?3.WhatdoesSallywanttoknowfromTony?Canyoumakealistofthem?,TheyareplanningtovisitChina.,Beijing,Xian,HangzhouandSuzhou.,ThewayfromBeijingtoXian.Whichisbetter,goingtoShanghaifirstorgoingtoHangzhoudirectly?WhatbestchoiceafterHangzhou.,Whichisthelongestrailwayintheworld?2.HowistheTrans-SiberianRailway?,Readandanswer.,TheTrans-Siberian.,ItisntthefastestwaytotravelfromMoscowtoVladivostok,butitsthemostinterestinganditsalsothecomfortablewaytotravel.,Aroundth