人教PEP版六年级英语下册 Unit1 Part B 第4课时 教学课件PPT小学公开课

PEP版英语六年级（下）PartBLet’slearn&MatchandsayUnit1Howtallareyou?能够理解形容词比较级的基本构词规律。能够听、说、读、写单词：thinner,heavier,bigger,smaller,stronger。✔✔Learninggoals能够在情境中运用句型“Howheavyareyou?I’m...kilograms.”“A+am/is/are...thanB.”✔RevisionyoungertallershorterlongershorterolderPlayandsayWarmingupEnjoyasongMysmallcat—Howheavyareyou,Tim?—I’m65________.Iam_____.kilogramsTim65kgLookandsay

heavy—HowheavyisBob?—He’s80________.Heis______thanTim.kilogramsBob

80kgheaviersmallerbiggerstrongerthinnerheavierPresentationLet’sreadJohn:Howheavyareyou,Jim?Jim:I’m52kilograms.John:You’reheavierthanme.Heis52kilograms.Q2:Whoisheaiver,JimorJohn?Jim.ListenandanswerQ1:HowheavyisJim?Eatlessfastfoodandexercisemore,andyouwillbemorehealthy.Q3：Whosefeetarebigger?Mike’sfeet.Mike’sfeet__________thanWuBinbin’s.WuBinbin’sfeet

__________thanMike’s.biggerLookandsayarearesmallerQ4：Whoisstronger?ZhangPeng.Bekindtoothers.Helpyourfriendsifyoucan.thinner(thin的比较级)更瘦的TimisthinnerthanMike./ˈθɪnə(r)/Keywordsthin变比较级时要双写词尾n，再加-er。TimMikeheavier(heavy/ˈhevi/的比较级)

更瘦的Mikeisheavier

thanTim.heavy变比较级时要先变y为i，再加-er。TimMike/ˈheviə(r)/bigger(big的比较级)更大的Thegreenappleisbiggerthantheredone./ˈbɪɡə(r)/big变比较级时要先双写词尾g，再加-er。smaller(small的比较级)更小的Theredappleissmallerthanthegreenone./ˈsmɔːlə(r)/small变比较级时要先双写词尾l，再加-er。XiongErisstrong.XiongDaisstronger.LookatXiongEr.LookatXiongDa.stronger(strong的比较级)

更强壮的XiongDaisstrongerthanXiongEr./ˈstrɒŋɡə(r)/smaller读出你看到单词，并说出其汉语意思。WordsgamebiggerthinnerheavierstrongerLinda____________Liz.Thatistosay,Liz____________Linda.isthinnerthanthanLindaLookandwriteLizisheavierTheelephant’sears______________thebear’s.Andthebear’seyes______________theelephant’s.arebiggerthanaresmallerthanSamSamis___________Danny.strongerthanThelionis__________thetiger.heavierthanDannythinner形容词的比较级构成(二）在变比较级时，thin要双写词尾n，再加-er；heavy要变词尾的y为i后，再加-er。形容词的比较级用来进行两者之间的比较，说明前者比后者更……

Languagepointheavier变化规则例词以辅音字母加-y结尾的词，先变y为i，再加-er。heavy—heavierhappy—happier重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加-er。big—biggerthin—thinner形容词比较级的构成规则(二）变化规则例词部分双音节词和多音节词分别在原级前加more构成比较级。beautiful—morebeautiful不规则变化good—bettermany/much—morebad—worse拓展延伸goodbetterwidewiderprettyprettierfatfatter典例写出下列单词的比较级。Mike’sfishis_____than_____.MatchandsayAskthegroupmembersabouttheirweightandcomparethemwitheachother.A:Howheavyareyou?B:I’m...kilograms.A:I’m/You’re...than...FreetalkPractice一、写出下面形容词比较级的反义词。shorter(更短的)_____

thinner______shorter(更矮的)_____

older

_______

colder______

smaller______

longertallerheaiverhotteryoungerbigger二、根据图片提示写单词，完成短文。DavidandBobaregoodfriends.Davidiss______thanBob.ButBobish_____thanDavid.Bobistoofatandneedsexercise.Whosefeetare_____?David’s.trongerDavidBobeavierbiggerSummarylanguagepointwordsthinnerheavierbiggersmall