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Unit1Howtallareyou?Page7Let’sLearnLearningaims:1.能听，说，读，写5个形容词的比较级形式：heavier，thinner，longer，bigger，smaller。2.能正确运用形容词性物主代词和名词性物主代词做题。请同学们认真朗读7页，Let’slearn中的单词，用红色笔画出不会读或翻译的单词，2分钟后，指名交流。Guiding1:I’m…and…thanyou.我和你比shortertalleryoungerolderstrongerheavierthinner50Kg48Kgheavylightheavierlighterthinfatthinnerfatterbigbiggersmallsmaller复习身体部位单词手胳膊腿脚眼睛handarmlegfooteye头鼻子耳朵脸嘴巴headnoseearfacemouth复习身体部位单词手胳膊腿脚眼睛头鼻子耳朵脸嘴巴Myhandsarebiggerthanyourhands.your+名词==yoursMyhandsarebiggerthanyours.Yourhandsaresmallerthanmine.my+名词==mineYourhandsaresmallerthanmyhands.我的手比你的手大。名词性物主代词名词性物主代词Myarmsarelongerthanhisarms.我的胳膊比他的胳膊长。his+名词==hisMyarmsarelongerthanhis.Yourlegsareshorterthanherlegs.her+名词==hersYourlegsareshorterthanhers.MyfishissmallerthanSarah’sfish.MyfishissmallerthanSarah’s.myyouryourourhisheritstheir形容词性物主代词+名词=名词性物主代词（形物）（名词）mineyoursyoursourshishersitstheirsmyminehishisitsitsouroursyouryoursyouryoursherherstheirtheirs形物名物形物名物我变他(它)不变，其余加S。用所给词的正确形式填空。1.（it）tailislong.2.Myfishissmallerthan(Sarah).3.Myarmsarelongerthan(you).4.Yourlegsareshorterthan(I).5.Amy’seyesarebiggerthan(she).6.Hisroomissmallerthan(we).ItsSarah’syoursminehersours形容词比较级的构成形式一般分以下几种：1、一般情况直接加ershortertalleryoungerolderstrongerlongersmallernewer2、需要双写末尾字母再加er的词：thin—thinnerfat---fatterbig—bigger3.以辅音字母+y结尾的词，变y为i，再加erheavy---heavierfunny---funnierhappy---happierbusy---busierangry---angriereasy---easierhungry---hungrier4.特殊情况:good–better–bestwell–better--best1.short2.tall3.young4.old5.strong6.heavy7.long8.thin9.big10.small11.light12.fat写出下列形容词的比较级：