英语单词变形规则汇总课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,变,形 规 则,可数名词的复数形式,可数名词才有复数形式,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,集体名词没复数形式但做主语时谓语通常用复数,statesman,mouse,mosquito,monkey,passer-by,watch,button,brochure,university,statesm,e,n,mice,mosquito,es,monkey,s,passer,s,-by,watch,es,button,s,brochure,s,universiti,es,1.一般在词尾加-s,map-maps,bridge-bridges,2.以-s,-x,-sh,-ch结尾的加-es,glass-glasses,brush-brushes,3.以o结尾的有生命的名词后加-es,hero-heroes,potato-potatoes,以o结尾的无生命的名词以及-oo结尾的词后加-s,piano-pianos,zoo-zoos,4.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s,factory-factories;boy-boys,5.以-f或-fe结尾的词，把-f,-fe改为V,再加-es,wolf-wolves,leaf-leaves,有的以-f,-fe结尾的词，可以直接加-s,belief-beliefs,roof-roofs,不规则变化,1.bacterium-bacteria;,medium-media;,criterion-criteria,phenomenon-phenomena,2.businessman-businessmen,policeman-policemen,postman-postmen,salesman-salesmen,spokesman-spokesmen,statesman-statesmen,3.goose-geese;,tooth-teeth;foot-feet,4.mouse-mice;,ox-oxen;child-children,deer-deer;fish-fish;sheep-sheep,5.means-means;,analysis-analyses,stamach-stamachs,leaf-leaves;knife-knives,life-lives;shelf-shelves,thief-thieves;wolf-wolves,动 词 的 单 三 变,写出下列动词的单数第三人称形式,1.swim 2.draw 3.make,4.run 5.carry 6.leave,7.arrive 8.watch,9.clean 10.stay,写出下列动词的单数第三人称形式,1.swim,s,2.draw,s,3.make,s,4.run,s,5.carri,es,6.leav,es,7.arriv,es,8.watch,es,9.clean,s,10.stay,s,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：,1、动词以ch、sh、o、s、x结尾时，单数形式要加es,2、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,3、be动词的现在时包括am、is、are。第三人称单数要用is；have的第三人称单数是has,动 词 的-ed 形式,写出下列单词的过去式和过去分词,1.flow 2.stick 3.bite 4.identify,5.receive 6.aim 7.limit 8.yell,9.ban 10.admit,1.flow-,flowed-flowed,2.stick-,stuck-stuck,3.bite-,bit-bitten,4.identify-,identified-identified,5.receive-,received-received,6.aim-,aimed-aimed,7.limit-,limited-limited,8.yell-,yelled-yelled,9.ban-,banned-banned,10.admit-,admitted-admitted,规则动词的过去分词与规则动词的过去式的构成规则相同。,1 一般动词，在词尾直接加,“,ed,”,work-worked visit-visited,2 以,“,e,”,结尾的动词，只在词尾加,“,d,”,live-lived,3 以,“,辅音字母+y,”,结尾的动词，将,“,y,”,变为,“,i,”,，再加,“,ed,”,study-studied-studied,4 重读闭音节结尾，末尾只有一个辅音字母，双写该辅音字母，再加,“,ed,”,stop-stopped,动 词 的-ing 形 式,写出下列单词的-ing形式,violate wind swallow scan,refer quarrel breathe begin,write forgive tie try,写出下列单词的-ing形式,violat,ing,wind,ing,swallow,ing,scan,ning,refer,ring,quarrel,(l)ing,breath,ing,begin,ning,writ,ing,forgiv,ing,t,ying,try,ing,23,可编辑,1.一般在动词末尾直接加ing,2.以不发音字母e结尾的动词，先去掉e,再加ing,如：,have-having,3.以重读闭音节结尾的动词，中间只有一个d短元音字母，词尾只有一个辅音字母,应双写末尾的辅音字母，再加ing,如：running beginning,jogging,sitting getting,4.以ie结尾的动词，把ie变成y再加ing,，,如：lie-lying die-dying,形容词,副词的比较级和最高级,写出下列形容词的比较级和最高级,bad clean famous dirty,big ill heavy little,happy far expensive well,slow easy wide carefully,early thin much clever,写出下列形容词的比较级和最高级,bad/ill-worse-the worst,clean-cleaner-the cleanest,famous-more famous-the most famous,dirty-dirtier-the dirtiest,big-bigger-the biggest,heavy-heavier-the heaviest,little-less-the least,happy-happier-the happiest,far-farther/further-the farthest/furthest,expensive-more expensive-the most expensive,well-better-best,slow-slower-the slowest,easy-easier-the easiest,wide-wider-the widest,carefully-more carefully-most carefully,early-earlier-earliest,thin-thinner-the thinnest,much-more-the most,clever-cleverer-the cleverest,1.单音节词在词尾加-er构成比较级，加-est构成最高级 如：hard-harder-the hardest,2.以不发音的e结尾的单音节词直接加-er或-est，如：late-later-the latest,3.以辅音字母加y结尾的变y为I加er或est:,如:easy-easier-the easiest,4.以一个辅音字母结尾的重读闭音节词双写最后一个辅音字母再加er或est:,如:big-bigger-the biggest,5.多音节词前加more或most,副词最高级前省略the.如:important-more important,-the most important,6.以-ly结尾的副词，除early外，其他均使用more/most构成比较级和最高级,early-earlier-earliest,warm-more warmly-most warmly,patiently-more patiently-most patiently,不规则变化,good/well-better-the best 好,bad/badly/ill-worse-the worst 坏,many/much-more-the most 多,little-less-the least 少,old-older/elder-the oldest/the,e,ldest 老,旧,far-farther/further-the farthest/the furthest 远,请写出下列形容词的副词形式,exact complete personal,probable easy frequent,full automatic,形 容 词,变,副 词,1.,直接,+ly,quiet,quietly,different,differently,confident,confidently,beautiful,beautifully,careful,carefully,recent,recently,2.以-le 结尾的形容词去e+ly,terrible,terribly,possible,possibly,comfortable,comfortably,gentle,gently,simple,simply,reasonable,reasonably,probable,probably,incredible,incredibly,其它以e结尾的形容词直接+ly,wise,wisely,nice,nicely,polite,politely,fortunate,fortunately,close,closely,immediate,immediately,wide,widely,true,truly,whole,wholly,full,fully,dull,dully,注意以下形容词变副词的拼写,3.以 辅音+y结尾的，变y 为i+ly,happy,happily,easy,easily,angry,angrily,merry,merrily,heavy,heavily,noisy,noisily,healthy,healthily,lucky,luckily,4.以ic结尾的+ally,energetic,energetically,automatic,automatically,scientific,scientifically,economic,economically,basic,basically,public,publicly,（例外）,注意以ly结尾的形容词,friendly,lovely,lively,elderly,lonely,monthly weekly yearly,brotherly fatherly motherly,deadly,manly womanly,daily,silly,5.,形容词与副词 同形,fast,fast,early,early,hard,hard,late,late,far,far,alone,alone,little-little,6.,有两个副词形式的词,high,high highly,deep,deepdeeply,wide,widewidely,hard,hard hardly,loud,loud loudly,close,close closely,late,late lately,free-,免费地,freely-,随便不拘束地,hard-,努力地、猛烈地,hardly-,几乎不,just-,恰好、仅仅、不久前,justly-,公正地,late-,迟,lately-,最新地、最近地,most-最,mostly-大部分地,near-近,nearly-几乎,pretty-很(作副词用),prettily-漂亮 short-突然地,shortly-不久，很快,May you succeed!,46,可编辑,