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1.very,so,quite,too,as后只能用原级。2.没有比较用原级。3.as原级as“和…一样…”Thetreeisas______asthatbuilding.Johnrunsas___________asTom.4.notso/as原级as“和…不一样…，…不如…”Hedoesn’thaveasmanybooksasIhave.tallfast/quickly2.比较级前常用的修饰语：abit/alittle/abit（一点），much/alot/（非常）/even/far/any等词语表示程度。①SheisalittletallerthanI(me).②Whoismuchmorecareful,AnnorElisa?1.比较级是两者进行比较，句中常出现than(比)…,/…or…(2者选择)例如：1.the+比较级+ofthetwo“两个中比较…的这一个”Lucyisthe______(高)ofthetwinsisters.Myhatisthe______________(漂亮)ofthetwo.2.比较级and比较级相同“越来越…”Itisgetting_______and_________.Ourcountryisbecoming_________and__________.3.The比较级…,the比较级…“越…越…”The________the_________.The_________heis,the__________hefeels.darkermorebeautifulstrongertallermorebetterbusierhappier注意：strongerdarker４．…数量+比较级than…Myfatheristhreeyearsolderthanmymother.1.最高级前常用的修饰语：the3.the+序数词+最高级+名词+in/ofTheYellowRiveristhesecondlongestriverinChina5.Thisisthe+最高级+名词(that)Imeet/know/…ThisisthemostbeautifulcitythatIhaveevervisited.4.oneofthe+最高级+名词复数+in/ofShenzhenisoneofthebiggestcitiesinChina2.the+最高级+of/in(三者及以上范围的)/A,B(…)orC?MymotheristhebusiestinmyfamilyⅥ、使用形容词和副词比较级和最高级应注意事项1.形容词的最高级前必须有the,而副词的最高级前the可以省略。2.在进行比较时，必须是同类事物相比较。①HisrulerislongerthanI.②Hisrulerislongerthanmine.Ⅳ、比较级与最高级的互换1．Jimistallerthananyotherboyinourclass.(吉姆比我们班上任何一个男孩都高)=Jimistallerthantheotherboysinourclass.(在我们班上吉姆其它的男孩高)=Jimisthetallestinourclass.（吉姆是我们班最高的）2.Jimistallerthananygirlinourclass.（吉姆比我们班的任何一个女孩都高）形容词的比较等级构成方式:1.一般单音节adj的比较级多在原形上加-er,最高级加-est.多音节adj在原形前加more,最高级加mostRemember原级比较级最高级smallsmallersmallestbeautifulmorebeautifulmostbeautifulpopularmorepopularmostpopular2.辅音字母加y结尾时,比较级去y变i再加-er,最高级去y变i再加-est.eg.friendly→friendlier→friendliest3.以不发音的e结尾时加-r/-st.eg.fine→finer→finest4.重读闭音节结尾的词,如末尾是一个辅音字母,双写这个辅音字母,再加-er/-est.eg.big→bigger→biggest5.不规则adj的比较级与最高级如下:原级比较级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostoldolder/elderoldest/eldestfarfarther/furtherfarthest/furtherlittlelessleast注：older一般比年龄，新旧；elder指长幼关系(一般修饰名词);elderbrother/sisterfarther指距离更远；further指抽像的.IwanttostudyEnglishfurther.I.用形容词的正确形式填空1.Whichdoyoulike_________(well),apples,pearsorbananas?2.Ithinkthisstoryis__________________(interesting)thanthatone.3.Inthemorningheis__________(early).Hisfatheris_________(early)thanhe.Hismotheristhe____________(early)ofthethree.4.TheYellowRiveristhesecond____________(long)riverinChina.5.Hethinkshiscornis___________(delicious)ofallthefood.6.Ifeelmathis______________(difficult)thanChinese.bestmoreinterestingearlyearlierearliestlongestmostdeliciousthemoredifficult句型转换：1.Tomistall.Jimisshort.(比较级合并)Tomis_____________Jim.2.Myhairislong.Mary’shairislonger.(合并成一句)Mary’shair_______________________mine.3.PedroisthinnerthanSam.(改为同义句)Samis_______________________Pedro.4.Mysisterisbetteratstudythanme.Sheisclever.(改为同义句)Mysisteris___________intellectual(聪明的)thanmeatstudy.5.Peterisfunny.Paulisfunny,too.(合并成一句)Peteris_______funny________Paul.tallerthanislongerthanfatter/heavierthanmoreasas