小学生英语语法Adjective一.形容词的概念1.形容词是用来修饰和描述名词，通常放在名词之前abluecapabigorange形容词既可修饰单数也可修饰复数aredstrawberrythreeredstrawberries2.形容词可以放在be动词之后，用来叙述和说明主语Thissuitisblue.Thesesuitsareblue.Theappleisred.Theapplesarered.3.形容词的类别：形容词简单形容词：由单个词构成复合形容词：由两个或两个以上词构成dark猙lue（深蓝的）good—looking（好看的）ever—green（常青的）light—green（浅绿的）new—born（新生的）snow—white（雪白的）4.形容词中的反义词：big—smalltall—shortshort—longopen—closedhappy—sadill—wellBeautiful—uglyfast—slowYoung—oldtall—short高的-矮的fat—thin胖的-瘦的strong—weak结实的-虚弱的happy—sad快乐的-悲伤的young—old年轻的-年老的new—old新的—旧的long—short长的—短的big—small大的—小的big—little大的—小的good—bad好的—坏的hot—cold热的—冷的warm—cool温暖的—凉爽的dry—wet干的—湿的full—empty满的—空的clean—dirty干净的—脏的fast—slow快的—慢的thick—thin厚的—薄的light—heavy轻的—重的ill—well生病的—好的sweet—bitter甜的—苦的noise—quiet吵闹的—安静的beautiful—ugly漂亮的—丑陋的clever—stupid聪明的—愚笨的二.形容词比较等级的构成1.规则变化构成方法单音节词和少数双音节词多音节词比较级：-er最高级:-est以字母e接尾的词加-r或-st以辅音字母+y结尾的词变y为i再加-er或-est以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母,再加-er或-est多音节词和多数双音节词在前面加more和most原级比较级最高级longtallnicelargebusyeasybighotthinusefulLongertallernicerlargerbusiereasierbiggerhotterthinnerLongesttallestnicestlargestbusiesteasiestbiggesthottestthinnestmoreusefulmostuseful2.不规则变化原级bad/illmany/muchgood/welllittle比较级worsemorebetterless最高级worstmostbestleastoldfarolder/elderfarther/furtheroldest/eldestfarthest/furthest【巧记】：特殊形式比较级,共有三对二合一,坏病两多和两好little意思不是小,一分为二有两个,一是老来二是远三.形容词比较等级的用法as+形容词原形+as（和??一样）1）TomisastallasMike.2）Thereareasmanystudentsinourschoolasyours.3）Hissportsshoesareasnewasmine.否定：notas+原形+as（和?不一样）或：notso+原形+as（不及／不如?）1）TomisnotastallasMike.2）TomisnotsotallasMike.表示倍数的方法：1）…+倍数+as+原级+as+…TomisthreetimesasoldasMike.2）…+倍数+比较级+than+…Thatroomisthreetimesbiggerthanthisone.比较级+than…（??比??更??）Ourschoolislargerthantheirs.Thisbridgeislongerthanthatone.比较级+and+比较级（??越来越??）Theflowersaremoreandmorebeautiful.Inspring,thedaysaregettinglongerandlongerThe+