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1、形容词及其比较级和最高级I.形容词（adj.）修饰名词,在句子中作定语和表语。e.g.ThebeautifulgirlspeaksgoodEnglish.(用于名词之前，作定语)There’ssomethinginterestinginthenewspaper.(用于不定代词之后，作后置定语)Theboysareclever.(用于be动词之后，作表语)II.形容词的顺序：限观型龄色图国材III.形容词比较级（-er）和最高级(-est)1.变化规则1)adj.(单音节或部分双音节)＋er/est:tall-tal
2、ler-tallest;great-greater-greatest;fast-faster-fastest;long-longer-longest;clever-cleverer-cleverest2)–e+rst:nice-nicer-nicest;large-larger-largest;late-later-latest;safe-safer-safest3)“辅音字母＋y”结尾的双音节，变y为i加erest:easy-easier-easiest;busy-busier-busiest;early-e
3、arlier-earliest;cloudy-cloudier-cloudiest;windy-windier-windiest;friendly-friendlier-friendliest;lovely-lovelier-loveliest;ugly-uglier-ugliest;happy-happier-happiest;lonely-lonelier-loneliest4)重读闭音节(倒数辅元辅)，双写最后一个字母＋er/est:big-bigger-biggest;hot-hotter-hottest;
4、thin-thinner-thinnest;sad-sadder-saddest;fat-fatter-fattest;wet-wetter-wettest;mad-madder-maddest;slim-slimmer--slimmest5)部分双音节和多音节词，在该词前加morethemost:important-moreimportant-themostimportant;beautiful-morebeautiful-themostbeautiful6)以ing和ed结尾的形容词，在该词前加moreth
5、emost:boring-moreboring-themostboring；bored-morebored-themostbored;interesting-moreinteresting-themostinteresting7)不规则变化：good/well-better-thebest;bad/ill/badly-worse-theworst;many/much-more-themost;little-less-theleast;8)以下形容词没有比较级和最高级：wonderful,favourite,fant
6、astic,final,last,perfect,excellent,right,wrong,only,full2.用法1)比较级：A＋动词＋形容词的比较级＋than+BHisbrotherisyoungerthanI/me.HangzhouismorebeautifulthanChengdu.Areyoufeelingbetter(thanbefore)?2)在形容词比较级前可以用much,even,still,far,alittle,abit,alot,以加强语气Ourcityismuchmorebeautif
7、ulthanyours(=yourcity).JapanisalittlelargerthanGermany.He’sevenslowerthanbefore.3)表示倍数：…times+形容词比较级＋than…Ourroomistwicelargerthantheirs.(我们的房间比他们的大两倍)Thisriveristentimeslongerthanthatriver.4)表示“大几岁”，“高几厘米”：表示数量的词＋形容词比较级I’mtwoyearsolderthanyou.She’saheadtaller
8、thanI/me.(她比我高一个头)5)表示“比其他任何。。。都。。。”：比较级＋thananyother+名词单数Heisbetterthananyotherstudentintheclass.（他在班里比任何一个学生都好)＝Heisthebestintheclass.=Heisbetterthantheotherstudentsintheclass.Th
