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1、Reviewofcomparativeandsuperlativedegreesofadjectivesandadverbsen.12999.comLearningaims:1.Beabletochangecomparativeandsuperlativedegreescorrectly.2.Beabletounderstandandusecomparativeandsuperlativedegreestocomparepeopleandthingsaroundyou.3.Todevelopabilities
2、ofobservationandcomparison,toenhancethefriendshipbetweenclassmates.形容词和副词比较级和最高级的构成latelater-latestearlyearlier–earliestbigbigger-biggestfluently/difficultmore～,most～重读闭音节、末尾只有一个辅音字母双写加–er或–est单音节词或部分双音节词加-er或-est以e结尾的，加－r或－st以辅音字母加y结尾变y为i加–er或–est部分双音节和多音节
3、词在原级前加more或mosttalltaller-tallestcheap,cold,small,warm,young,highfine,nice,safehappy,busy,dirty,easy,lazybig,red,wet,hot,sad,fat,thin,quickly,slowly,useful,careful,形容词和副词比较级和最高级构成(规则变化)比较级最高级规则变化(词尾变化)口诀：比较级，要变化，一般词尾加er。词尾若有哑音e,直接加r就可以。一辅重读闭音节，辅音字母要双写。辅音字母若
4、加y,记住把y变为i。若变形副最高级，er改为est.形副若为多音节，more/most前面写。部分双音节与多音节的词加more/most构成比较级/最高级:beautiful，morebeautiful，mostbeautiful部分双音节与多音节词的比较级最高级构成注意：1.adj+ly2.n+ful/less3.v+(e)d/ing词前变化n+lyn+y词前或词尾变化词尾变化一般情况下：单独成词的双音节词，是词尾变化；合成的双音节词，是词前变化。词前变化不规则变化（记得好坏多少老远哦！）good/wel
5、l–better-bestbad/badly/ill–worse–worstmuch/many–more-mostlittle–less–leastold–older/elder–oldest/eldestfar–farther/further–farthest/furthestExercises写出下列单词的比较级和最高级。smart_______big_________comfortable_________thin________bad__________popular__________good___
6、____funny_________outgoing__________easy________close_________friendly___________smarter/smartestbigger/biggestmorecomfortable/mostcomfortablemorepopular/mostpopularmoreoutgoing/mostoutgoingmorefriendly/mostfriendlyfriendlier/friendliestthinner/thinnestwors
7、e/worstbetter/bestfunnier/funniesteasier/easiestcloser/closest1.表示两者之间选择,用Which/Who…+比较级，…or…?2.表示两者之间的比较，常用比较级+than,表示“更······”．3.much/alot/alittle/abit…,修饰比较级,表示程度.Whoruns______(fast),heorshe?Myhairismuch_______(long)thanyours.Theboyis____(tall)thananyoth
8、erboyinhisclass.形容词和副词比较级的用法4.“比较级+and+比较级”表示“越来越……”Hebecomes_________and_________(越来越胖).Ourcountryisbecoming__________(越来越美丽).1.表示三者或三者以上比较,可用”Which/Who…+最高级,…,…or…?”表示.2.最高级+of/in…(比较范围)4.oneof+形容词最高
