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1、定义定义就是将二者进行就是将二者进行比较比较产生的词形，产生的词形，是由是由形容词原级形容词原级转化而来的转化而来的ererItisshorter.它更矮它更矮Itisshorterthanhim.ererererSheisolder.她更老。她更老。Sheisolderthanhim.她比他老。她比他老。ererSheisyounger.她更年轻。她更年轻。Sheisyoungerthanhim.她比他年轻。她比他年轻。HishairisHishairislonglong. .HerhairisHerhairislonglongerer. .HerhairisHerhairislonglon
2、gerthanerthanhishis. .hishairhishairHishairisHishairisshortshorterthanerthanhershers. .herhairherhairerergergererergerger更更erer更更nererterierierSheisfatterSheisfatterthanherthanherSheisthinnerthanherSheisthinnerthanhererHeisstronger.Heisstronger.HeisstrongerHeisstrongerthanhim.thanhim.(1)一般在形容词词尾一般在形
3、容词词尾+er：young-younger short-shorter (2)以不发音的以不发音的e结尾的单词结尾的单词+r，如，如late-later(3)以重读闭音节结尾的词，词尾只有一个辅音字母时，以重读闭音节结尾的词，词尾只有一个辅音字母时， 双写辅音字母再双写辅音字母再+er，如，如thin-thinner，big-bigger(4)以辅音字母加以辅音字母加y结尾的单词，变结尾的单词，变y为为i，再，再+er， 如如heavy-heavier(5)多音节词，在词前加多音节词，在词前加more，如，如quickly-more quickly(6)不规则变化。如不规则变化。如good-b
4、etter，many-moreoldyoungheavystrongthinshortlongtallbigsmallererierernerererergererangryhappysadworriedafraidfreshhotcoldwarmbeautifulangrierhappiersaddermoreworriedmoreafraidfresherhottercolderwarmermorebeautifulnernergergerierier1.他更瘦。他更瘦。2.我的书更旧我的书更旧3.你爸爸更强壮。你爸爸更强壮。4.我们更开心。我们更开心。5.他们更重。他们更重。6.它更小。
5、它更小。7.他的脚更大。他的脚更大。8.她的头发更长。她的头发更长。9.大象更强壮。大象更强壮。Heisthinner.Mybookisolder.YourfatherisstrongerWearehappier.Theyareheavier.Itissmaller.Hisfeetisbigger.Herhairislonger.Theelephantisstronger.+than+B+than+B1.他比你瘦。他比你瘦。2.我的书比你的旧。我的书比你的旧。3.你爸爸比我爸爸强壮。你爸爸比我爸爸强壮。4.我们比他开心。我们比他开心。5.他们比我们重。他们比我们重。6.它比蚂蚁小。它比蚂蚁小。
6、7.他的脚比你的脚大。他的脚比你的脚大。8.她的头发比你的长。她的头发比你的长。9.大象比猴子强壮。大象比猴子强壮。Heisthinnerthanyou.Mybookisolderthanyours.Yourfatherisstrongerthanmine.Wearehappierthanhim.Theyareheavierthanus.Itissmallerthanants.Hisfeetisbiggerthanyours.Herhairislongerthanyours.Theelephantsarestrongerthanthemonkeys.1.越来越年轻越来越年轻2.越来越老越来越老
7、3.越来越开心越来越开心4.越来越大越来越大5.越来越重越来越重6.越来越瘦越来越瘦7.越来越强壮越来越强壮8.越来越聪明越来越聪明9.越来越高越来越高youngerandyoungerolderandolderhappierandhappierbiggerandbiggerheavierandheavier.thinnerandthinnerstrongerandstrongersmarterandamartertallerandtaller1. How _are you? 你多高？ I am 1.61 meters tall.tall2.How tall_he? 他多高？ He is 1.
8、63 meters tall.is3._ tall is she? 她多高？ She is 1.60 meters tall.How1. How _are you? 你多重？ I am 52 kilograms. 2.How heavy_he? 他多重？ He is 53 kilograms.3._ heavy is she? 她多重？ She is 56 kilograms.heavyisHow1.The black dog is _ (thin) than the white dog. 2.This balloon is _ (big) than yours. 3.My bag is _
9、(heavy) than yours. 4.John is _ (strong) than Mike. 5. I am _ (short) than Lucy. thinnerbiggerheavierstrongershorter用所给词的正确形式填空，每词用一次。（用所给词的正确形式填空，每词用一次。（10分）分）younglongtallheavyoldthin1.Monkeystailis_thantherabbitstail.2.Dickis11yearsold.Ninais12yearsold.Dickis_thanNina.3.Im140cm_.4.Im40kg.Youre42k
10、g.Im_thanyou.5.How_areyou?Im45kglongeryoungertallthinnerheavy1.Howheavyareyou?_.A.Im48yearsold.B.Im48kg.C.Im48cm.2.Tomis120cm.Jackis_Thanhim.A.tallB.tallerC.heavier3.Howheavyisthewhale?_.A.Itsstrong.B.Itsheavier.C.Its3600kg.4.How_areyou?A.oldB.olderC.taller5.Themonkeyhasa_tail.A.tallB.longC.longer6.
11、Howbigareyourfeet?_.A.IwearSize17.B.Imbiggerthanyou.C.Im17bigger.7.Jimis40kg.Tomis38kg.Tomis_thanJim.A.tallerB.thinnerC.heavier8.Im11yearsold.Mysisteris2yearsolderthanme.Sheis_.A.11B.12C.139.Iam_thanmyaunt.A.strongB.bigC.shorter10.Myfatheris_thanmygrandpa.A.olderB.youngerC.smaller11.Myarmsare87cm_.A
12、.longB.tallC.old12.Hislittlebrotheris3kg_thanme.A.olderB.shorterC.heavierIV.改错题。改错题。(8分分)1.Howoldareyou?Iam170cmtall.()_ABC2.Youareyoungthanme.()_ABC3.Peoplegrowoldandolder.()_ABC4.Howoldisyoumother?()_ABCAHowtallByoungerBolderCyour1.your,is,big,roomhow(?)_2.Im,than,taller,6cm,you(.)_3.mypencil,long
13、er,yours,is,than(.)_4.Tall,21,I，,am,meters(.)_5.stronger,he,me,than,is(.)_Howbigisyourroom?Im6cmtallerthanyou.Mypencilislongerthanyours.Iam21meterstall.Heisstrongerthanme.6.short,its,is,tail(.)_7.wear,I,17,size(.)_8.are,tall,you,how(?)_9.size,shoes,what,are,his(?)_10.taller,are,your,than,you,brother(.)_Itstailisshort.Iwearsize17.Howtallareyou?Whatzisearehisshoes?Youaretallerthanyourbrother.Yourbrotheraretallerthanyou
