小学英语比较级和最高级

tallBobTomMr.ZhangChenglongistallerthanPanchangjiang.YaoMingisthetallestofthethree.faststrongbabyTomMr.BlackBobTomTim•形容词的比较级两个事物或人的比较用比较级，比较级后面一般带有单词than。形容词的最高级表示三者或三者以上（人或事物）的比较用最高级，最高级的前面一定要加定冠词the。形容词比较级形容词最高级两者比较三者或者以上比较标志词than最高级前面加the词尾-er词尾-est翻译为更……翻译为最……比较级与最高级的区别形容词比较级和最高级的规则变化•1:单音节词，在词尾加er构成比较级，•加est构成最高级。tall--taller--tallestlong—longer—longestsmall—smaller—smallestshort—shorter—shortestnew—newer—newest•2:以不发音的e结尾,直接在词的后面加r构成比较级,加st构成最高级nice--nicer--nicestlarge–larger--largest重读闭音节词,双写结尾的辅音字母,再加er构成比较级，加est构成最高级。hot–hotter--hottestbig—bigger—biggestfat—fatter—fattestthin—thinner—thinnest以辅音字母+y的词,把y变i加er构成比较级，把y变i加est构成最高级。easy--easier–easiestbusy–busier–busiestheavy—heavier—heaviesthappy—happier—happiest•一、写出下列形容词的比较级和最高级•old_______young_________•tall________long_________•short_________strong_________•big________small________•fat________thin__________•heavy________high________•early_________easy________比较级句子结构：A+is/are+形容词比较级+than+BForexample：Tomisolderthanbill.Thetreeistallerthantheflower.Hispictureisnicerthanhers最高级的句子结构：A+is/are+the+最高级+范围Forexample：Russiaisthelargestcountyintheworld.Lucyisthetallestgirlintheclass.Thenileisthelongestriverintheworld.二、根据句意填入单词的正确形式•1Mybrotheristwoyears__________(old)thanme.•2.Whatis____(long)riverintheworld?.•3.Isyoursister______(young)thanyou?Yes,sheis.•4.Whois______(thin)inyourclass?.•5.Whosepencil-boxis_______(big),yoursorhers?6.Myeyesare________(big)thanher•7.Whichis___________(heavy),theelephantorthepig?•8.Whogetsup_________(early),TimorTom?