adj.比较级用法1.1.表一方超过另一方用“比较级表一方超过另一方用“比较级+than…”+than…”2.我们用“Which/Who…+比较级,AorB?”的句型来表示在两者中选择。如:Whichisbigger,thesunorthemoon?我们的学校比他们的学校漂亮。Ourschoolismorebeautifulthantheirs.3.“the+比较级+of两者”表示“在两者中较…”eg.Lilyis___________(short)ofthetwogirls.theshorter朱佳健是双胞胎兄弟中较高的一个。ZhuJiajianisthetallerofthetwinbrothers.4.表本身程度变化(越来越……):比较级+and+比较级eg.1)他的鞋子越来越脏。2)衣服越来越贵。3)她们跳得越来越美。HisshoesareHisshoesaredirtdirtierieranddirtanddirtierier..more+andmore+原级只用于以“more”构成比较级的词ClothesareClothesaremoreandmoreexpensivemoreandmoreexpensive..TheydanceTheydancemoreandmorebeautifullymoreandmorebeautifully..5.the+比较级…,the+比较级…(越…,越…):Themorecarefulyouare,thefewermistakesyouwillmake.你越仔细,你犯的错误越少。越多越好。Themore,thebetter.他越健康,越快乐。Thehealthierheis,thehappierheis.““the+the+比较级比较级(+(+主主++谓谓),),the+the+比较级比较级(+(+主主++谓谓)”)”6.为免重复,在than后常用one来指代前面提到过的可数名词单数,ones来指代前面提到过的可数名词复数;用one’s或名词所有格来代替前面的所属关系。that来替代前面提到过的不可数名词名词。adj.最高级用法1.三者或以上相比,表示最高程度用“the+最高级”**最高级后常有介词短语(of/among/in…)来表示范围。adj.最高级也可用one’s替代theJackisourbestfriend.Tomisthetallestoneofthree.Thisbookisthecheapestoneamongthesebooks.ItisthebiggestcityinChina.adj.最高级用法2.oneof+the+最高级+复数名词表示“最…之一”eg.Thehairclipisoneof_______________(pretty)amongthoseones.Hewasoneof_______________(fast)_____________(swim)ofall.theprettiestthefastestswimmerseg.ChangjiangisshorterthanHuanghe,butlongerthantheotherriversinChina.=Changjiangis_____________________riverinChina.adj.最高级用法4.thesecond/third/fourth…+最高级表示“第几……”eg.Millieisthethirdthird_________(tall)inherclass.tallestthesecondlongest比较级与最高级之间的转换比较级+thananyother+单数名词=比较级+thantheother+复数名词=最高级+范围eg.Springisthebestseasonoftheyear.=Springisbetter___________________seasonoftheyear.=Springisbetter__________________seasonsoftheyear.thananyotherthantheother最高级/比较级/的相互转换:ShanghaiisthebiggestcityinChina.=ShanghaiisbiggerthananyothercityinChina.=ShanghaiisbiggerthantheothercitiesinChina.Lucyisthemostinterestingstudentinourclass.=Lucyismoreinterestingthananyotherstudentinourclass.=Lucyismoreinterestingthantheotherstudentsinourclass.