英语单词变形规则汇总

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
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
形容词,副词பைடு நூலகம்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
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
注意以下形容词变副词的拼写
true— truly whole— wholly full— fully dull— dully

写出下列形容词的比较级和最高级
bad/ill-worse-the
famous-
worst clean-cleaner-the cleanest
more famous - the most famous
dirty-dirtier-the dirtiest big-bigger-the biggest heavy-heavier-the heaviest little-less- the least
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
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
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
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
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
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
动 词 的 -ing 形 式
写出下列单词的-ing形式 violate refer write
wind swallow scan quarrel breathe begin forgive tie try
写出下列单词的-ing形式 violating swallowing referring breathing writing tying
statesmen, mice,
mosquitoes , monkeys, passers-by, watches, buttons, brochures,universities
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
energetic— energetically
automatic— automatically
scientific— scientifically economic—economically basic— basically public— publicly （例外）
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



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-laterthe 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 m ore 或 m ost , 副 词 最 高 级 前 省 略 the . 如 : important --- more important --- the most important

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
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 eldest 老, 旧 far --- farther / further --- the farthest / the furthest 远
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 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
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
winding scanning quarrel(l)ing beginning forgiving trying
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
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