初中英语常见词形变化一览表
一.名词变复数
1.cooks,stomachs,Germans,Asians,plays
  厨师  胃    德国人 亚洲人 戏剧
  monkeys,orders,tickets
  猴子    订单  票
2.story-stories,library-libraries,army-armies
  故事      图书馆      军队
family-families,enemy-enemies
    家庭        敌人
3.watch-watches,match-matches,inch-inches
  手表        比赛          英寸
fish-fishes,bush-bushes,dress-dresses,boxes
  鱼      灌木丛    连衣裙
4.man-men,policeman-policemen,警察
woman-women,Frenchman-Frenchmen法国人
man doctor-men doctors 男医生
5.mouse-mice,tooth-teeth,foot-feet,
  老鼠      牙齿    脚
child-children,sheep-sheep,deer-deer
  儿童      绵羊      鹿
二.基数词变序数词
one-first,two-second,three-third,four-fourth
five-fifth,six-sixth,eight-eighth,nine-ninth
twelve-twelfth,thirteen-thirteenth,
twenty-twentieth,forty-fortieth,
ninety-ninetieth,thirty-one—thirty-first
注:fifty复数 fifties 50多岁,50年代
三.形容词副词比较级最高级
规则变化-er,-est
1.clever—cleverer-cleverest
  聪明  更聪明  最聪明
high高的-higher-highesr
2.early早的-earlier-earliest
,heavy重的-heavier,busy忙碌的-busier,
healthy健康的-healthier,tasty美味的-tastier.
crazy着迷的-crazier-craziest
hungry饥饿的-hungrier-hungriest
3.hot热的-hotter-hottest, fat胖的-fatter
slim苗条的-slimmer,
sad伤心-sadder,big-bigger,
mad发疯-madder,thin瘦的-thinner-thinnest
4.cute-cuter-cutest,wise明智-wiser-wisest
wide宽大的-wider-widest
5.多音节和部分双音节形容词副词
dangerous-more dangerous-the most
important-more important-the most
polite-more polite-the most
generous-more generous-the most
weigh weight 区别difficult-more difficult-the most
quickly-more quickly-(the)most
happily-more happily-(the)most
形容词副词比较级最高级不规则变化
good/well-better-best 好的,更好,最好
bad/ill/badly-worse-worst坏的,更坏,最坏
far-farther-farthest(距离)远-更远-最远
far-further-furthest(距离及程度)
further study 进一步学习
many/much-more-most 许多-更多-最多
little-less-least少-更少-最少(修饰不可数名词)
at most至多,at least至少
old-older-oldest
old-elder-eldest表示长幼关系,只能作定语,elder后面不能接than.
四.形容词变副词 --ly
1.slow-slowly,quiet- quietly, sure-surely
慢的 慢地  安静的 安静地
complete-completely,polite-politely
完全的  完全地
careful-carefully,successful-successfully
2.easy-easily,heavy-heavily
lucky-luckily,healthy-healthily
3.possible-possibly,terrible-terribly
可能的 可能地 可怕的 可怕地,糟糕地
simple-simply,probable-probably
简单的 简直  可能的 可能地
comfortable-comfortably
gentle-gently温和地
4.true-truly
5.不规则变化★good-well,
★形容词变副词没有变化
high-high,fast-fast,late-late
wide-wide,early-early hard-hard
注:-ly 意思完全改变的有
hardly几乎不,highly 高度地
widely广泛地lately近期地
五:变为形容词

1.ly
friendly,weekly,monthly,day-daily                                 
live-lively ,lonely
2.y
luck-lucky,health-healthy
运气 幸运的 健康 健康的
wealth-wealthy,cloud-cloudy ,sleep-sleepy
财富  富有的  云  多云的 睡觉 昏沉的
wind-windy,rain-rainy snow-snowy,
noise-noisy, taste-tasty,shine-shiny
fun-funny,sun-sunny,fog-foggy
3.-ful,
helpful,cheerful,delightful,colourful,useful
successful,hopeful,beautiful,wonderful
homeful,harmful
4.修饰人ed,修饰物或事ing
amazed
amazing
bored
boring
excited
exciting
interested
interesting
pleased
pleasing
surprised
surprising
tired
tiring
worried
worrying
satisfied
satisfying
5.加前缀a
awake,  alive,  asleep,  alone(只做表语)
醒着的 活着的 睡着的  单独(副词)
6.-al centre-central,arrive-arrival,national
    International 国际的personal
7.-ous danger-dangerous,humour-humorous
8.Canada-Canadian,music-musician
加拿大 加拿大人 音乐  音乐家
Asia-Asian,  Europe-European
亚洲 亚洲人 欧洲  欧洲人
Africa-African,Australia-Australian
非洲  非洲人  澳大利亚 澳大利亚人
Germany-German,India-Indian
德国    德国人  印度  印度人
Russia-Russian
俄国  俄国人
9.value-valuable有价值的
10.western,eastern,northern,southern
六.反义词(中考词汇B项仅含前后缀)
1.incorrect 不正确的
2.impossible,impatient, impolite,  improper,
  不可能的 不耐烦的不礼貌的不合适的
3.uncomfortable,unfriendly, unkind, unhappy
不舒服的    不友好的 
unimportant,unnecessary,unpopular,
不重要的  不必要的  不受欢迎的
uncommon不普通的,unknown未知的
4.irregular 不规则的
5.cover覆盖-discover发现,honest-dishonest
advantage优势-disadvantage 劣势
6.homeful-homeless,careful-careless
useful-useless,harmful-harmless
hopeful-hopeless,colourful-colourless
七:变为名词:
1.动词ion
collect-collection,decide-decision
收集  收集物  决定
invent-invention,direct-direction
发明  发明物  指导  方向             
connect-connection,impress-impression
连接  连接      留下印象,印象
graduate-graduation,celebrate-celebration