过去式及过去分词归纳
1 AAA型(动词原形、过去式、过去分词同形)

cost(花费)  cost  cost
cut(割)    cut  cut
hit(打)    hit  hit 
hurt 伤害)  hurt  hurt
let(让)    let  let
put(放)    put  put
read (读)  read  read 
spread (伸展/ 传播) spread spread
(2) AAB型(动词原形与过去式同形)    beat(跳动)  beat  beaten
(3) ABA型(动词原形与过去分词同形)
become(变成)became become 
come(来)    came  come
run(跑)    ran  run
(4) ABB型(过去式与过去分词同形)
dig(挖)    dug  dug        get(得到)  got  got
hang(吊死)  hanged  hanged    hang(悬挂)  hung  hung
hold(抓住)  held  held      lay  (产卵)  laid  laid
shine(照耀) shone shone      sit(坐)    sat  sat
win (赢)    won  won        meet(遇见)  met  met
keep (保持) kept  kept        sleep(睡)  slept slept
sweep(扫)  swept swept      feel(感觉)  felt  felt
flee (逃跑)  fled fled        smell(闻)  smelt smelt
leave(离开) left  left      build(建设) built built
lend(借出)  lent  lent      send 情投意合的意思是什么(传送)  sent  sent
spend(花费) spent spent      sink (沉下)sunk /sank  snuk /sunken 
lose (丢失) lost  lost      burn (燃烧) burnt burnt 
learn(学习) learnt learnt    mean(意思是)meant  meant 
catch(抓住) caught caught    teach(教)    taught taught
bring(带来)  brought brought    fight (战斗) fought fought 
buy(买)    bought bought    think(想)  thought thought
hear (听见) heard heard      sell(卖)    sold  sold
tell(告诉)  told  told      say(说)    said  said
find(到)  found found      feed ( 饲养 )fed fed
have/has()  had  had        make(制造)  made made
stand(站)  stood stood   
smell (闻)smelled /smelt    smelled /smelt
study的过去分词
stick (粘贴 /)          stuck  stuck
spell (拼写)  spelt/spelled spelt/spelled
spit (吐唾沫)  spat spat
understand(明白)understood understood
(5) ABC型(动词原形、过去式与过去分词三者不同形)
begin(开始)began begun  drink(喝)  drank drunk
农业补贴hide (躲藏)hid hidden    ring(铃响) rang  rung
sing (唱)  sang  sung    swim(游泳) swam swum 
blow(吹)  blew  blown  draw (画)  drew  drawn
fly(飞)    flew  flown  grow(生长) grew  grown
know(知道) knew known    throw(投掷)threw thrown   
show(出示) showed shown  break(打破)broke broken 
choose(选择)chose chosen  forget(忘记)forgot forgotten (forgot)
freeze (结冰/ 凝固)froze  frozen
speak(说)  spoke spoken  wake(醒)  woke woke
drive(驾驶)drove driven  eat(吃)    ate  eaten
fall(落下) fell  fallen  give(给)  gave    given 
rise(升高) rose  risen    take(取)  took  taken
mistake(弄错)mistook mistaken  ride(骑)  rode  ridden
write(写)  wrote written      do(做)    did  done
go(去)    went  gone      lie(平躺)  lay  lain        
see(看见)  saw  seen        wear (穿)  wore  worn
be ( am, is, are )(是)was, were  been 
不规则动词过去式和过去分词巧记方法
一、原形、过去式和过去分词的词形和读音都相同的单词,结尾字母一般是td。如:
  cut-cut-cut, hit-hit-hit, put-put-put, cost-cost-cost, let-let-let, shut-shut-shut, set-set-set, hurt-hurt-hurt, spread-spread-spread
  特殊:动词read的过去式和过去分词虽然词形与原形一致,read-read-read,但发音分别是[ri:d]-[red]-[red]
  二、有些动词的过去分词与原形是一样的。如:
  come-came-come, become-became-become, run-ran-run, overcome-overcame-overcome
  三、有些动词的过去式和过去分词相同。如:
  1. 把单词结尾的字母我好想哭d改为t。如:
  lend-lent-lent, spend-spent-spent, send-sent-sent
  2. 改变单词中间元音字母。如:
  sit-sat-sat, win-won-won, shine-shone-shone, hold-held-held
  3. 随身无线网eep结尾的动词,把eep改为ept。如:
几岁入团
  keep-kept-kept, sleep-slept-slept, sweep-swept-swept
  4. 过去式和过去分词都以aughough结尾的动词。
如:
  buy-bought-bought, fight-fought-fought, think-thought-thought, bring-brought-brought, teach-taught-taught, catch-caught-caught
  5. 有的以ay结尾的动词,在过去式和过去分词中把ay变成aid
如:  say-said-said, lay-laid-laid, pay-paid-paid
  6. 另有一些其它形式的变化。如:
  have-had-had, learn-learnt-learnt, leave-left-left, lose-lost-lost, make-made-made, meet-met-met, feel-felt-felt
四、有些动词原形中含有字母i,在过去式中变ia,在过去分词中变iu。如: begin-began-begun,  sing-sang-sung
五、以字母owaw结尾的动词,在变成过去式时,通常把元音字母变成e,在变成过去分词时,通常只在词尾加n
      blow- blew- blown,  draw-drew-drawn,  grow-grew-grown,
throw-threw-thrown,  know-knew-known
  六、有些动词的过去分词是在原形词尾加nen,变成以en结尾的单词。如:
Rise-rose-risen, arise-arose-arisen give-gave-given, take-took-taken, fall-fell-fallen, drive-drove-driven, eat-ate -eaten
  特殊 write-wrote-written, speak-spoke-spoken, ride-rode-ridden, get-got-gotten
一般情况在动词原形后-ed :
play--played, order--ordered, wash--washed, mind--minded, discuss--discussed, snow--snowed,agree--agreed,walk--walked,water--watered,visit--visited,stay--stayed,talk--talked,look--looked,remember--remembered,clean--cleaned,wait--waited,rain--rained,sno
w--snowed,cook--cooked,relax--relaxed,report--reported,enjoy--enjoyed,pass--passed,turn--turned,start--started,ask--asked,work--worked,answer--answered,thank--thanked,watch--watched,call--called,need--needed,help--helped,want--wanted,join--joined,show--showed,draw--drawed,listen--listened,