外研版英语八年级上册Module2Unit3 形容词比较级（1）课件.ppt

Module2MyhometownandmycountryUnit3Languageinuse2011外研版八年级上册高州中山街wildandcleanItsstreetsaremuch______.widerandcleaner东汇城big/busyItsgetting______and______.biggerbusier上海(约100年历史)北京（约1000年历史）Shanghaiis______thanBeijiingolder高州宝光塔tallItis______thanmanyotherbuildingsinGaozhou.tallerLanguageinuse(P14)1Itsgettingbiggerandbusier.2Itsstreetsaremuchwiderandcleanertoo.3ItsanewercitythanHongKong.4ItstallerthanmanyotherbuidingsinShenzhen.Readtogetherandunderstandthem.形容词比较级（1）定义：将二者比较产生的词形，一般由形容词原形转化而来。一般在原级后加er,也有一些不规则的变化。标志词（本模块学的）1形比较级+形比较级（越来越...)2形比较级+than(比...更）3much+比较级（比较...)4a/an+形比较级+名词单数(一个比较...的...）规则变化规律1.一般在词尾直接加er，例如，tall-taller2.以不发音的字母e结尾的单词在词尾直接加r，例如，nice-nicer3.以辅音字母+y结尾的词，把y变为i，再加er，例如，heavy-heavier4.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,例如，big-bigger拓展同级比较（在本模块课文找，小组总结）as+形容词原形+as如...一样例如：ShenzhenisasoldasHongKong.HongKongisasbusyasShenzhen.Exercise（一）Writethecorrectforms.long_____wide______fat____heavy____slow______few____（二）Choosethebestanswer.1—Whichis_____,theYangtzeRiverortheYellowRiver?—TheYangtzeRiver,ofcourse.A.longB.longerC.muchlong2LessonOneis______thanLessonTwo.A.easyB.mucheasyC.mucheasier3Ourcitywillbe______.AniceandniceBniceandnicerCnicerandnicerlongerwiderfatterheavierslowerfewerPart1(P14）Completethesentenceswiththecorrectformofthewordsinthebox.1Shenzhenwasverysmallaboutthirtyyearsagobutitismuch______.2Thisbuildiingistallbutthatbuildingismuch______.3BeijingisoldbutXianismuch______.4TheUShasalargepopulationbutIndiaspopulationis______.5BeijingiscoldinwinterbutHarbinis______.bigcoldlargeoldtallPart6(P16）Completethesentenceswiththecorrectformofthewordsinth