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【sweep2wake】keepsleepsweep变过去式有什么规律?

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解决时间 2021-02-14 22:29
【sweep2wake】keepsleepsweep变过去式有什么规律?
最佳答案
【答案】 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t或d.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. 以eep结尾的动词,把eep改为ept.如:
   keep-kept-kept, sleep-slept-slept, sweep-swept-swept
   4. 过去式和过去分词都以augh或ough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i为a,在过去分词中变i为u.如:
   五、以字母ow或aw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.如:
   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n或en,变成以en结尾的单词.如:
   rise-rose-risen, 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
  (二)、动词过去式和过去分词的变化规则
  动词过去式和过去分词有规则变化和不规则变化两种.
  1) 规则变化
  情况 例词 读音与说明
  动词原形 过去式 过去分词
  一般在动词原形后加-ed look
  call
  open
  need looked
  called
  opened
  needed looked [lukt]
  called [kC:ld]
  opened [5EupEnd]
  needed [ni:did] ①-ed在清辅音音素后
  发音为〔t〕,在浊辅音后发音为〔d〕,在元音后发音也为[d]
  ②-ed在〔t]、〔d〕
  后发音为[id]
  ③但fix的过去式和过去
  分词x不双写,为fixed.
  以-e结尾的动词加-d move
  phone
  hope
  agree moved
  phoned
  hoped
  agreed moved [mu:vd]
  phoned [fEund]
  hoped [hEupt]
  agreed [E5^ri:d]
  以辅音字母加y结尾的动词,变y为i,
  再加-ed study
  carry
  try studied
  studied
  carried studied [5stQdid]
  carried [5kArid]
  tried [traid]
  以原音字母加y结尾的词,直接加-ed play
  enjoy
  stay played
  enjoyed
  stayed played [pleid]
  enjoyed [in5dVCid]
  stayed [steid]
  末尾只有一个辅音字母的重读闭音节词,双写该辅音字母,再加-ed stop
  plan
  fit stopped
  planned
  fitted stopped [stCpt]
  planned [plAnd]
  fitted [5fitid]
  以-r音节结尾的词,双写r字母,
  再加-ed prefer
  refer preferred
  referred preferred [prI`f:d]
  referred [ri5fE:]
  2) 不规则变化
  英语中有些动词的过去式和过去分词形式变化不规则,可分为五种情况.
  1.动词原形、过去式和过去分词完全同形.
  例:
  原形 过去式 过去分词
  cut(切)
  hit(打)
  cast(扔)
  hurt(伤害)
  put(放)
  let(让)
  shut(关)
  cost(花费)
  set(放)
  rid(清除) cut
  hit
  cast
  hurt
  put
  let
  shut
  cost
  set
  rid cut
  hit
  cast
  hurt
  put
  let
  shut
  cost
  set
  rid
  2.过去式与过去分词完全同形.
  例:
  原形 过去式 过去分词
  find(找到)
  pay(支付)
  leave(离开)
  lend(借出)
  meet(遇见)
  keep(保持)
  lose(丢失)
  teach(教)
  sit(坐)
  lead(引导)
  win(赢)除) found
  paid
  left
  lent
  met
  kept
  lost
  taught
  sat
  led
  won found
  paid
  left
  lent
  met
  kept
  lost
  taught
  sat
  led
  won
  3.动词原形与过去分词同形
  例:
  原形 过去式 过去分词
  come(来)
  run(跑)
  become(成为) came
  ran
  became come
  run
  become
  4.动词原形、过去式、过去分词形式完全不同.
  例:
  原形 过去式 过去分词
  give(给)
  fly(飞)
  drink(喝)
  see(看见)
  go(去)
  know(知道)
  wear(穿)
  speak(说) gave
  flew
  drank
  saw
  went
  knew
  wore
  spoke given
  flown
  drunk
  seen
  gone
  known
  worn
  spoken
  5.过去式和过去分词有两种形式
  例:
  原形 过去式 过去分词
  burn(燃烧) burned
  burnt burned
  burnt
  learn(学习) learned
  learnt learned
  learnt
  smell(闻) smelled
  smelt smelled
  smelt
  spell (拼写) spelled
  spelt spelled
  spelt
  shine (照射) shined
  shone shined
  shone
  leap (跳) leaped
  leapt leaped
  leapt
  提示
  a. beat的过去式与原形同形:
  比:beat(打击) beat(过去式) beaten(过去分词)
  b. lie有规则变化和不规则变化两种,含义不同
  比:lie lied, lied(说谎)
  lay, lain(躺,位于)
  c. hang 有规则变化和不规则变化两种,含义不同
  比:hang hanged, hanged(处绞刑)
  hung, hung(挂,吊)
  d. welcome(欢迎)一词是规则动词,不可误用为不规则动词
  比:welcome welcomed, welcomed(正)
  welcome, welcome(误)
  e.不要将不规则动词误用为规则动词
  比:hit(打) hit, hit(正)
  hitted, hitted(误)
  6 现在分词的变化规则
  规则 动词原形 现在分词及发音
  一般在动词原形词尾加-ing,-ing发音为 [iN] go
  push
  play
  carry going [5^EuiN]
  pushing [5puFiN]
  playing [pleiiN]
  carrying [5kAriiN]
  以不发音的e结尾的动词,先去掉e,再加-ing take
  write
  leave taking [5teikiN]
  writing [5raitiN]
  leaving [5li:viN]
  重读闭音节结尾的动词,如果词尾只有一个辅音字母,要将该末尾只有一个辅音字母的重读闭音节词,双写该辅音字母,再加-ed stop
  stop
  fit
  begin
  forget cutting [5kQtiN]
  stopping [5stCpiN]
  fitting [5fitiN]
  beginning [bi5^iniN]forgetting [fE5^etiN]
  以ie结尾的动词,要把ie改为y,再加-ing lie
  die
  tie lying [5laiiN]
  dying [5daiiN]
  tying [5taiiN
  (三)、不规则动词过去式和过去分词归纳
  A. 原形与过去式和过去分词完全相同.
  cost----cost----cost cut----cut----cut put----put----put
  let----let----let set----set----set hit----hit----hit
  shut----shut----shut hurt---hurt----hurt read---read----read 读音 /e/
  
  lie---lied---lied 说谎 lay---laid---laid 放置,下蛋
  lay--- lain 躺下,位于,平放
  eg. The hens don’t _______eggs during such cold weather.
  She _____ her books on the table. ____
  B. 过去式与过去分词完全相同
  1. 过去式和过去分词中含有ought, aught, 读音是〔 :t〕
  bright----brought----brought think----thought----thought buy----bought----bought
  catch----caught----caught teach ---- taught ----taught
  2. 动词原形中的e为o,变成过去式和过去分词.
  get----got----got sell----sold----sold tell----told----told
  
  3. 动词原形中i为a, … sit----sat----sat spit----spat----spat
  4. 动词原形中i为o, … win----won----won shine----shone/ shined----shone / shined
  5. 动词原形中an为oo, … stand----stood---stood understand----understood----understood
  6. 动词原形中的ay为ai,… say----said----said pay----paid----paid
  7. a)动词原形中的d为t,… send----sent----sent lend----lent----lent
  spend----spent----spent build----built----built
  b ) 动词原形最后一个字母改为t , … smell----smelt----smelt lose----lost----lost
  c ) 动词原形后加一个字母t, … learn----learnt----learnt mean----meant----meant 读音/e/
  d ) 动词原形中的ee去掉一个字母e, 然后在词尾加t. 字母e发音/e/
  feel----felt----felt sleep----slept----slept sweep---swept----swept
  keep---- kept----- kept
  其它meet----met----met have----had----had hold----held----held
  make----made----made dig----dug----dug hear----heard----heard
  find----found----found hang----hung ----hung
  
  C.原型与过去分词相同
  come----came----come run----ran----run become----became----become
  D. 原形,过去式, 和 过去分词完全不同
  1. 把动词原形中i改为a变成过去式,改成u变成过去分词.
  begin ---- began -----begun drink---drank----drunk ring----rang-----rung
  swim----swam----swum sing----sang----sung
  2. 把动词原形中o改为e变成过去式,在原形词尾加n变成过去分词.
  blow----blew----blown grow----grew----grown know---knew---known
  throw ---- threw ---- thrown fly ----flew /flu:/ ----flown ( 和以上相似)
  3. 以下动词的过去分词都以en结尾,故把它们分为一类.
  a ) 把动词原形中i改为o变成过去式,在词尾加n变成过去分词.
  drive----drove----driven rise---rose---risen write---wrote---written (双写t )
  ride----rode----ridden (双写d )
  b ) 把动词原形中ea改为o, 在词尾加e变成过去式,在过去式后加n变成过去分词.
  speak----spoke----spoken steal----stole----stolen break----broke----broken
  c ) 把动词原形中的个别字母或字母组合改为o变成过去式, 在过去式后加n变成过去分词.
   wake----woke----woken freeze----froze----frozen
  choose----chose----chosen forget----forgot----forgotten (双写t,加en )
  d) 其它过去分词以en结尾的动词
  eat----ate----eaten beat---- beat ---- beaten fall----fell----fallen
  give----gave----given see----saw----seen take----took----taken
  mistake---- mistook----- mistaken hide----hid----hidden (双写d )
  E. 没有过去分词的动词
  can ----- could - may---- might - shall---- should- will ---- would -
  其它
  am, is ---- was----- been are-----were----- been do-----did----- done
  draw-----drew----- drawn/ :/ go-----went----- gone show----showed----shown
  wear--- wore ---- worn
  不规则动词的过去式 (初二)
  不规则动词的过去式是同学们学习的重点,也是一个难点.同学们应通过不规则动词的动词原形和它们的过去式找出其变化规律,总结如下:
  1. 把动词原形中的o改为a,变成过去式.过去分词不变.如:
  become—became, come—came
  2.把动词原形中的i改为a,变成过去式.如:
  begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam ,sink—sank,
  3.把重读开音节中的i改为o,变成过去式.如:
  drive—drove,ride—rode,shine—shone,win—won,write—wrote
  4.动词原形中的e改为o,变成过去式.如:
  get—got,forget—forgot
  5.动词原形中的eep改为ept,变成过去式.如:
  keep—kept,sleep—slept,sweep—swept
  6. 动词原形中的an改为oo,变成过去式.如:
  stand—stood,understand—understood
  7.改动词原形中的aw /ow为ew,变成过去式.如:
  draw—drew,grow—grew,know—knew,throw—threw(动词show除外,show—showed)
  8.动词原形中的eak改为oke,变成过去式.如:
  break—broke,speak—spoke
  9.动词原形中的ell改为old,变成过去式.如:
  sell—sold,tell—told
  10.以ought和aught结尾,且读音是〔 :t〕的过去式.如:
  bring—brought,buy—bought,think—thought,catch—caught,teach—taught
  11.以ould结尾且读音为〔ud〕的情态动词过去式.如:
  can—could,shall—should,will—would
  12.在动词原形后加d或t变成过去式,并且发生音变.如:
  hear〔hi 〕—heard〔h :d〕, say〔sei〕—said〔sed〕,
  mean〔mi:n〕—meant〔ment〕, dream—dreamt 〔dremt〕
  13.动词的过去式与动词原形一样.如:
  cut—cut, hit—hit, hurt—hurt, let—let,must—must,
  put—put,read—read〔red〕,set—set
  14. 动词的过去式有两种形式.如:
   dream—dreamed/ dreamt learn—learnt/ learned shine—shone/ shined
  smell—smelt/ smelled wake—woke/ waked
  15.不符合上述规律的动词过去式.如:
  am,is—was,are—were,build—built,do—did,eat—ate,fall—fell,
  feel—felt,find—found,fly—flew,go—went,have /has— had,hide—hid,
  hold—held,lay—laid,leave—left,lie—lay,lose—lost,make—made,may—
  might,run—ran,see—saw, smell—smelt,take—took,wake—woke,
  wear—wore
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