英语单词变形规则汇总.ppt

不规则变化good/well---better---thebest好bad/badly/ill---worse---theworst坏many/much---more---themost多little---less---theleast少old---older/elder---theoldest/theeldest老,旧far---farther/further---thefarthest/thefurthest远01请写出下列形容词的副词形式02exactcompletepersonal03probableeasyfrequent04fullautomatic形容词变副词变形规则可数名词的复数形式01可数名词才有复数形式02不可数名词主要是抽象名词和物质名词，做主语时谓语用单数03集体名词没复数形式但做主语时谓语通常用复数statesman,mouse,mosquito,01monkey,passer-by,watch,02button,brochure,university03statesmen,mice,mosquitoes,01monkeys,passers-by,watches,02buttons,brochures,universities03一般在词尾加-smap-maps,bridge-bridges以-s,-x,-sh,-ch结尾的加-esglass-glasses,brush-brushes以o结尾的有生命的名词后加-eshero-heroes,potato-potatoes以o结尾的无生命的名词以及-oo结尾的词后加-spiano--pianos,zoo--zooswolf-wolves,leaf-leavesbelief-beliefs,roof--roofsfactory-factories;boy-boys有的以-f,-fe结尾的词，可以直接加-s以-f或-fe结尾的词，把-f,-fe改为V,再加-es以辅音加y结尾的词变y为i加es;以元音加y结尾的词直接加sbacterium-bacteria;medium-media;criterion-criteriaphenomenon-phenomena不规则变化businessman-businessmenpoliceman-policemenpostman-postmensalesman-salesmenspokesman-spokesmenstatesman-statesmen010203ox-oxen;child-childrendeer-deer;fish-fish;sheep-sheep4.mouse-mice;analysis-analysesstamach-stamachs5.means-means;tooth-teeth;foot-feet3.goose-geese;03thief-thieves;wolf-wolves02life-lives;shelf-shelves01leaf-leaves;knife-knives动词的单三变1写出下列动词的单数第三人称形式2swim2.draw3.make3run5.carry6.leave4arrive8.watch5clean10.stay01写出下列动词的单数第三人称形式03runs5.carries6.leaves02swims2.draws3.makes04arrives8.watchescleans10.stays05动词的第三人称单数规则当主语是第三人称（she、he、it）或名词时，谓语动词要用单数形式。一般情况下动词的第三人称单数形式都是直接加s动词单数形式：动词以ch、sh、o、s、x结尾时，单数形式要加es动词以元音字母+y结尾时，在y后直接加s；动词以辅音字母+y结尾时，把y变成i再加es