英语单词变形规则汇总

1、变 形 规 则可数名词的复数形式可数名词才有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集体名词没复数形式但做主语时谓语通常用复数谓语通常用复数statesman, mouse, mosquito ,monkey, passer-by, watch, button, brochure,universitystatesmen, mice, mosquitoes ,monkeys, passers-by, watches, buttons, brochures,universit

2、ies1.一般在词尾加一般在词尾加-smap-maps, bridge-bridges2.以以-s,-x,-sh,-ch结尾的加结尾的加-esglass-glasses, brush-brushes3. 以以o结尾的有生命的名词后加结尾的有生命的名词后加-eshero-heroes, potato-potatoes 以以o结尾的无生命的名词以及结尾的无生命的名词以及-oo结尾结尾的词后加的词后加-spiano-pianos, zoo-zoos4.以辅音加以辅音加y结尾的词变结尾的词变y为为i加加es;以元音以元音加加y结尾的词直接加结尾的词直接加sfactory-factories;boy-b

3、oys5. 以以-f或或-fe结尾的词，把结尾的词，把-f,-fe改为改为v,再再加加-eswolf-wolves, leaf-leaves有的以有的以-f,-fe结尾的词，可以直接加结尾的词，可以直接加-sbelief-beliefs, roof-roofs不规则变化1.bacterium-bacteria; medium-media; criterion-criteria phenomenon-phenomena2. businessman-businessmen policeman-policemen postman-postmen salesman-salesmen spokesman

4、-spokesmen statesman-statesmen3. goose-geese; tooth-teeth; foot-feet4. mouse-mice; ox-oxen; child-children deer-deer; fish-fish;sheep-sheep5. 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写出下列动词

5、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写出下列动词的单数第三人称形式1. swims 2. draws 3. makes 4. runs 5. carries 6.leaves 7. arrives 8. watches 9.cleans 10. stays动词的第三人称单数规则动词的第三人称单数规则 当主语是第三人称当主语是第三人称（she、he、it）或名词时，谓语动词要用单数）或名词时，谓语动词要用单数形式。一般情

6、况下动词的第三人称单数形式都形式。一般情况下动词的第三人称单数形式都是直接加是直接加s 动词单数形式：动词单数形式：1、动词以、动词以ch、sh、o、s、x结尾时，单数形式结尾时，单数形式要加要加es 2、动词以元音字母、动词以元音字母+y结尾时，在结尾时，在y后直接加后直接加s；动词以辅音字母动词以辅音字母+y结尾时，把结尾时，把y变成变成i再加再加es 3、be动词动词的现在时的现在时包括包括am、is、are。第三人。第三人称单数要用称单数要用is；have的第三人称单数是的第三人称单数是has 动 词 的 -ed 形式写出下列单词的过去式和过去分词写出下列单词的过去式和过去分词1. f

7、low 2. stick 3.bite 4.identify5. receive 6. aim 7. limit 8.yell9. ban 10. admit1. 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-a

8、dmitted-admitted规则动词的过去分词与规则动词的过去式的构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。成规则相同。 1 一般动词，在词尾直接加一般动词，在词尾直接加“ed” work-worked visit-visited 2 以以“e”结尾的动词，只在词尾加结尾的动词，只在词尾加“d” live-lived 3 以以“辅音字母辅音字母 + y ”结尾的动词，将结尾的动词，将 “y” 变为变为 “i” ，再加，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，再加写

9、该辅音字母，再加“ed” stop-stopped 动 词 的 -ing 形 式写出下列单词的写出下列单词的-ing形式形式violate wind swallow scanrefer quarrel breathe beginwrite forgive tie try写出下列单词的写出下列单词的-ing形式形式violating winding swallowing scanningreferring quarrel(l)ing breathing beginningwriting forgiving tying trying1.一般在动词末尾直接加一般在动词末尾直接加ing 2.以不发音字

10、母以不发音字母e结尾的动词，先去掉结尾的动词，先去掉e, 再再加加ing 如：如： have - having3.以重读闭音节结尾的动词，中间只有一以重读闭音节结尾的动词，中间只有一个个d短短元音字母，词尾只有一个辅音字母元音字母，词尾只有一个辅音字母,应双写末尾的辅音字母，再加应双写末尾的辅音字母，再加ing 如如：running beginning jogging sitting getting 4.以以ie结尾的动词，把结尾的动词，把ie变成变成y再加再加ing ，如：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写出下列

11、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写出下列形容词的比较级和最高级bad/ill-worse-the worstclean-cleaner-the cleanestfamous- more famous - the most famous dirty-dirtier-the dirtiest big-bigger-the biggestheavy-

12、heavier-the heaviest little-less- the leasthappy-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-earl

13、iestthin -thinner-the thinnest much -more-the most clever -cleverer-the cleverest1.单音节词在词尾加单音节词在词尾加-er构成比较级，构成比较级， 加加-est构构成最高级成最高级 如：如：hard-harder-the hardest2.以不发音的以不发音的e结尾的单音节词直接加结尾的单音节词直接加-er或或-est，如：如：late-later-the latest3. 以辅音字母加以辅音字母加y结尾的变结尾的变y为为i加加er或或est: 如如: easy - easier - the easiest4.以

14、一个辅音字母结尾的重读闭音节词双写最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后一个辅音字母再加er或或est: 如如: big - bigger - the biggest5.多音节词前加多音节词前加more或或most, 副词最高级前省略副词最高级前省略the. 如如: important - more important - the most important6.以以-ly结尾的副词，除结尾的副词，除early外，其他均外，其他均使用使用more/most构成比较级和最高级构成比较级和最高级early-earlier-earliestwarm-more warmly-mo

15、st warmlypatiently-more patiently-most patiently不规则变化不规则变化 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

16、远请写出下列形容词的副词形式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.直接直接+ly quietquietly differentdifferently confidentconfidently beautifulbeautifully carefulcarefully recentrecently2. 以以-le 结尾的形容词去结尾的形容词去e + ly terrible terribly possible possibly comfortable comfor

17、tably gentle gently simple simply reasonable reasonably probable probably incredible incredibly 其它以其它以e结尾的形容词直接结尾的形容词直接+ly wise wisely nice nicely polite politely fortunate fortunately close closely immediateimmediately widewidelytrue trulywhole whollyfull fullydull dully 注意以下形容词变副词的拼写注意以下形容词变副词的拼写3

18、. 以以 辅音辅音+y结尾的，结尾的，变变y 为为i+ly happy happily easy easily angry angrily merry merrily heavy heavily noisy noisily healthyhealthily lucky luckily 4. 以以ic结尾的结尾的+ally energetic energetically automatic automatically scientific scientifically economiceconomically basic basically public publicly （例外）（例外）注意以注意以ly结尾的形容词结尾的形容词 friendly lovely lively elder