GrammarFocusshortdelicious–moredeliciousinteresting–moreinterestingimportant—moreimportantcarefully---morecarefullyquickly---morequicklyslowly---moreslowlyeasily---moreeasily大多数形容词和副词有三个等级：原级、比较级、最高级。一、形容词比较级的构成构成的规则变化:1)在形容词后直接加-er。如：short--shortersmall--smaller2)以不发音的e结尾，直接加r.如:nice--nicersafe--safer3)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er。如:big–biggerthin–thinner4)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er。如：easy–easierhappy–happier5)多音节词和部分双音节词在词前加more。如：delicious–moredeliciousinteresting–moreinterestingimportant—moreimportantcarefully---morecarefullyquickly---morequicklyslowly---moreslowlyeasily---moreeasily形容词最高级的构成B:heavyeasytidydrybusyhappyhealthyhungryearlyC:largelateniceAdjective用法：英语中三者或三者以上相比较，表示“最……”这样的最高程度概念时，要用“the+最高级”的结构表示。这种句式一般带有表示比较的介词短语，比如:inourclass,ofthethree等。例如：WangLinisthetallestinourclass.Thistheateristhecheapestofthethree.最高级变法有以下几点：a.直接加-est.如：short--shortestsmall--smallestb.以-e结尾的形容词，最高级+-st。如：large—largestnice—nicestcute—cutestc.以辅音字母+y结尾的形容词，变y为i+est。busy—busiestheavy—heaviesteasy—easiesthappy—happiestdirty—dirtiestd.以重读闭音节结尾，末尾只有一个辅音字母结尾的词，双写最后一个辅音字母，再加+er或+est。如：big—bigger—biggestthin—thinner—thinnestfat—fatter—fattesthot—hotter—hotteste.多音节和部分双音节形容词，需在原级前+more构成比较级，+most构成最高级。如：important—moreimportant—mostimportantbeautiful—morebeautiful–mostbeautifuldifficult—moredifficult—mostdifficult3.不规则变化：最高级规则变化口诀：TheComparativeSuperlativeDegreesofAdjectives&Adverbslatelater-latest1.Paulisvery_______.Heis________thanhisbrother.A.heavy---heavierB.heavy---heavyC.heavier---heavierD.heavy---heavyer2.Ithasthe________clothingstoreinthetown.A.goodestB.gooddestC.bestD.better3.Thisruleris____thanthatone.A.longB.longerC.thelongestD.longest4.Thisbookis____ofall.A.cheapestB.cheapD.cheaperD.thecheapest5.Heismuch____thanhisbrother.A.tallerB.tallC.thetallestD.tallest6.LiLeiis____olderthanLucy.A.quiteB.veryC.muchD.more1.Whois_______(quiet),MaryorJane?2.Lucyismuch_____(smart)thanLily.3.MissDui