一形容词比较级最高级规则1.一般情况下加-er或－est:young-yonger-yongestold?older-oldesttall-taller-tallestsmall-smaller-smallest2.以字母e结尾的形容词，加-r或-stnice?nicer-nicestsafe?safer-safest3.重读闭音节词只有一个辅音字母时，应先双写辅音字母，再加-er或-est.big―bigger-biggestfat―fatter-fattest4.以“辅音字母＋y”结尾的双音节词，先改“y”为“i”，再加-er或-est.early-earlier-earliestthirsty-thirstier-thirstiest5.部分双音节词或多音节词前面加more,most.如:interestingfamous原级moreinterestingmorefamous比较级最高级mostinterestingmostfamousgood/wellbad/illlittlefarbetterworselessbestworst两好、两坏、many/muchmoremostleast两多、一少、一老、一远.fartherfurtherfarthestfurthestoldolderelderoldesteldestReadandcompare:younglongfullshortsmalloldfineeasyhungryearlyheavybigredyoungerlongerfullershortersmallerolderfinereasierhungrierearlierheavierbiggerredderyoungestlongestfullestshortestsmallestoldestfinesteasiesthungriestearliestheaviestbiggestreddesthealthymanyfamousillhealthiermoremorefamousworsemoreexcitingmorecarefullywetterhotterlessfewerhealthiestmostmostfamousworstmostexcitingmostcarefullywettesthottestleastfewestexcitingcarefullywethotlittlefew二.形容词、副词比较等级的用法1.原级:可用very,quite,so,too,等词修饰.e.gJimisverytall.2.比较级:可用much,many,alot,alittle,abit等修饰.其主要句型有：⑴比较级+thane.gMaryismuchyoungerthanSue.⑵疑问句+动词+比较级,AorB?e.gWhodrawsbetter,TomorJim?⑶Which…likebetter,AorB?e.gWhichdoyoulikebetter,mathsorEnglish?⑷比较级+and+比较级，表示越来越…e.gthedaysaregettingshorterandshorter.⑸the+比较级,the+比较级,表示越…越…e.ghesays,”thebusier,thebetter.”3.最高级:形容词的最高级要加定冠词the,副词最高级可省略the,主要句型有:of⑴the+最高级+inJimworkshardestofusall.e.gMymotheristhebusiestinmyfamily⑵疑问词+动词+最高级⑶which…likebest,A,BorC?三.使用比较级和最高级的几个注意点①比较应在同类事物中进行.②避免双重比较.③比较级和最高级前的修饰语不可误用.④最高级后的介词in与of.a.in表示“在…内(指某范围内)”可以跟表示单位,组织,时间等单数名词.b.of表示属性(指在同类的人,物中)后可接the+基数词/the+基数词+名词复数/all+the+复数名词/all⑤形容词的最高级前要用the⑥比较级前加the.Dosomeexercises同义句转换1.Heisthetalleststudentinhisclass.tallerthananyHeis__________________otherstudentinhis______class.tallerthan______otherHeis____________the______studentsinhisclass.2.Peterdrawswell,