英语单词变形规则汇总省公共课一等奖全国赛课获奖课件.pptx

变 形 规 则第1页可数名词复数形式第2页可数名词才有复数形式可数名词才有复数形式不不可可数数名名词词主主要要是是抽抽象象名名词词和和物物质名词，做主语时谓语用单数质名词，做主语时谓语用单数集集体体名名词词没没复复数数形形式式但但做做主主语语时时谓语通惯用复数谓语通惯用复数第3页statesman,mouse,mosquito,monkey,passer-by,watch,button,brochure,university第4页statesmen,mice,mosquitoes,monkeys,passers-by,watches,buttons,brochures,universities第5页1.普通在普通在词词尾加尾加-smap-maps,bridge-bridges2.以以-s,-x,-sh,-ch结结尾加尾加-esglass-glasses,brush-brushes3.以以o结结尾有生命名尾有生命名词词后加后加-eshero-heroes,potato-potatoes 以以o结结尾尾无无生生命命名名词词以以及及-oo结结尾尾词词后后加加-spiano-pianos,zoo-zoos第6页4.以以辅辅音音加加y结结尾尾词词变变y为为i加加es;以以元元音音加加y结结尾尾词词直接加直接加sfactory-factories;boy-boys5.以以-f或或-fe结结尾尾词词，把把-f,-fe改改为为V,再再加加-eswolf-wolves,leaf-leaves有以有以-f,-fe结结尾尾词词，能，能够够直接加直接加-sbelief-beliefs,roof-roofs第7页不规则改变1.bacterium-bacteria;medium-media;criterion-criteria phenomenon-phenomena第8页2.businessman-businessmen policeman-policemen postman-postmen salesman-salesmen spokesman-spokesmen statesman-statesmen第9页3.goose-geese;tooth-teeth;foot-feet4.mouse-mice;ox-oxen;child-children deer-deer;fish-fish;sheep-sheep5.means-means;analysis-analyses stamach-stamachs第10页 leaf-leaves;knife-knives life-lives;shelf-shelves thief-thieves;wolf-wolves第11页动 词 单 三 变第12页写出以下动词单数第三人称形式写出以下动词单数第三人称形式1.swim 2.draw 3.make 4.run 5.carry 6.leave 7.arrive 8.watch 9.clean 10.stay第13页写出以下动词单数第三人称形式写出以下动词单数第三人称形式1.swims 2.draws 3.makes 4.runs 5.carries 6.leaves 7.arrives 8.watches 9.cleans 10.stays第14页动动词词第第三三人人称称单单数数规规则则 当当主主语语是是第第三三人人称称（she、he、it）或或名名词词时时，谓谓语语动动词词要要用用单单数数形形式式。普普通通情情况况下下动动词词第第三三人人称称单单数数形形式式都都是是直接加直接加s 动词单动词单数形式：数形式：1、动词动词以以ch、sh、o、s、x结结尾尾时时，单单数形式要数形式要加加es 2、动词动词以元音字母以元音字母+y结结尾尾时时，在，在y后直接加后直接加s；动词动词以以辅辅音字母音字母+y结结尾尾时时，把，把y变变成成i再加再加es 3、be动词动词现现在在时时包含包含am、is、are。第三人称。第三人称单单数要用数要用is；have第三人称第三人称单单数是数是has 第15页动 词 -ed 形式第16页写出以下单词过去式和过去分词写出以下单词过去式和过去分词1.flow 2.stick 3.bite 4.identify5.receive 6.aim 7.limit 8.yell9.ban 10.admit第17页1.flow-flowed-flowed 2.stick-stuck-stuck 3.bite-bit-bitten 4.identify-identified-identified5.receive-received-received 6.aim-aimed-aimed 7.limit-limited-limited 8.yell-yelled-yelled9.ban-banned-banned 10.admit-admitted-admitted第18页规规则则动动词词过过去去分分词词与与规规则则动动词词过过去去式式组组成成规规则则相相同。同。1 普通普通动词动词，在，在词词尾直接加尾直接加“ed”work-worked visit-visited 2 以以“e”结结尾尾动词动词，只在，只在词词尾加尾加“d”live-lived 3 以以“辅辅音音字字母母+y”结结尾尾动动词词，将将“y”变变为为“i”，再加，再加“ed”study-studied-studied 4 重重读读闭闭音音节节结结尾尾，末末尾尾只只有有一一个个辅辅音音字字母母，双双写写该辅该辅音字母，再加音字母，再加“ed”stop-stopped 第19页动 词 -ing 形 式第20页写出以下单词写出以下单词-ing形式形式violate wind swallow scanrefer quarrel breathe beginwrite forgive tie try第21页写出以下单词写出以下单词-ing形式形式violating winding swallowing scanningreferring quarrel(l)ing breathing beginningwriting forgiving tying trying第22页1.普通在普通在动词动词末尾直接加末尾直接加ing 2.以不以不发发音字母音字母e结结尾尾动词动词，先去掉，先去掉e,再加再加ing 如：如：have-having3.以重以重读闭读闭音音节结节结尾尾动词动词，中，中间间只有一个只有一个d短短元音字母，元音字母，词词尾只有一个尾只有一个辅辅音字母音字母,应应双写末尾双写末尾辅辅音字母，再加音字母，再加ing 如如：running beginning jogging sitting getting 4.以以ie结结尾尾动词动词，把，把ie变变成成y再加再加ing，如：如：lie-lying die-dying 第23页形容词,副词比较级和最高级第24页写出以下形容词比较级和最高级写出以下形容词比较级和最高级bad clean famous dirty big ill heavy little happy far expensive well slow easy wide carefully early thin much clever 第25页写出以下形容词比较级和最高级写出以下形容词比较级和最高级bad/ill-worse-the worstclean-cleaner-the cleanestfamous-more famous-the most famous dirty-dirtier-the dirtiest big-bigger-the biggestheavy-heavier-the heaviest little-less-the least第26页happy-happier-the happiestfar-farther/further-the farthest/furthest expensive-more expensive-the most expensive well-better-bestslow-slower-the slowesteasy-easier-the easiest wide-wider-the widest carefully-more carefully-most carefullyearly-earlier-earliestthin-thinner-the thinnest much-more-the most clever-cleverer-the cleverest第27页1.单单音音节节词词在在词词尾尾加加-er组组成成比比较较级级，加加-est组组成最高成最高级级 如：如：hard-harder-the hardest2.以以不不发发音音e结结尾尾单单音音节节词词直直接接加加-er或或-est，如如：late-later-the latest3.以以辅辅音字母加音字母加y结结尾尾变变y为为I加加er或或est:如如:easy-easier-the easiest4.以以一一个个辅辅音音字字母母结结尾尾重重读读闭闭音音节节词词双双写写最最终终一个一个辅辅音字母再加音字母再加er或或est:如如:big-bigger-the biggest5.多多音音节节词词前前加加more或或most,副副词词最最高高级级前前省省略略the.如如:important-more important -the most important第28页6.以以-ly结结尾尾副副词词，除除early外外，其其它它均均使使用用more/most组组成比成比较级较级和最高和最高级级early-earlier-earliestwarm-more warmly-most warmlypatiently-more patiently-most patiently第29页不不规则规则改改变变 good/well-better-the best 好好bad/badly/ill-worse-the worst 坏坏many/much-more-the most 多多little-less-the least 少少old-older/elder-the oldest/the eldest 老老,旧旧far-farther/further-the farthest/the furthest 远远第30页请请写出以下形容写出以下形容词词副副词词形式形式exact complete personal probable easy frequent full automatic第31页形 容 词 变 副 词第32页1.直接直接+ly quietquietly differentdifferently confidentconfidently beautifulbeautifully carefulcarefully recentrecently第33页2.以以-le 结尾形容词去结尾形容词去e+ly terrible terribly possible possibly comfortable comfortably gentle gently simple simply reasonable reasonably probable probably incredible incredibly 第34页其它以其它以e结尾形容词直接结尾形容词直接+ly wise wisely nice nicely polite politely fortunate fortunately close closely immediateimmediately widewidely第35页true trulywhole whollyfull fullydull dully 注意以下形容词变副词拼写注意以下形容词变副词拼写第36页3.以以 辅音辅音+y结尾，结尾，变变y 为为i+ly happy happily easy easily angry angrily merry merrily heavy heavily noisy noisily healthyhealthily lucky luckily 第37页4.以以ic结尾结尾+ally energetic energetically automatic automatically scientific scientifically economiceconomically basic basically public publicly（例外）（例外）第38页注意以注意以ly结尾形容词结尾形容词 friendly lovely lively elderly lonely monthly weekly yearly brotherly fatherly motherly deadly manly womanly daily silly 第39页5.形容词与副词形容词与副词 同形同形 fastfast earlyearly hardhard latelate farfar alonealone little-little第40页6.有两个副词形式词有两个副词形式词 highhigh highly deepdeepdeeply widewidewidely hardhard hardly loudloud loudly closeclose closely latelate lately第41页free-无无偿偿地地freely-随便不拘束地随便不拘束地hard-努力地、猛烈地努力地、猛烈地 hardly-几乎不几乎不 just-恰好、恰好、仅仅仅仅、很快前、很快前justly-公正地公正地 late-迟迟lately-最新地、最近地最新地、最近地 第42页most-最最 mostly-大部分地大部分地 near-近近 nearly-几乎几乎 pretty-很很(作副词用作副词用)prettily-漂亮漂亮 short-突然地突然地 shortly-很快很快，很快，很快 第43页May you succeed!May you succeed!第44页