英语中动词过去式、过去分词的变形规则

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1、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 l 一般在动词原形后加-ed look looked looked call called called open opened opened need neededneeded -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 -ed在t、d后发音为id 但fix的过去式和过去分词x不双写,为fixed. l 以-e结尾的动词加-d move moved moved phone phoned phoned hope hoped hoped agree agreed agree

2、d l 以辅音字母加y结尾的动词,变y为i,再加-ed study studied studied carry carriedcarried try triedtried l 以元音字母加y结尾的词,直接加-ed play played played enjoy enjoyed enjoyed stay stayed stayed l 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 stopped stopped plan planned planned fit fitted fitted l 以-r结尾的词,双写r字母, 再加-ed prefer preferred

3、 preferred refer referred referred 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。 cut(切) ,hit(打) ,cast(扔),hurt(伤害),put(放) ,let(让) shut(关) ,cost(花费) ,set(放) ,rid(清除) 2过去式与过去分词完全同形。 find(找到)-found, found pay(支付)-paid, paid leave(离开)-left, left lend(借出)-lent, lent meet(遇见)-met, met keep(

4、保持)-kept, kept lose(丢失)-lost, lost teach(教)-taught, taught sit(坐)-sat, sat lead(引导)-led, led win(赢)-won, won 3动词原形与过去分词同形 例:come(来)-came-come run(跑)-ran-run become(成为)-became-become 4动词原形、过去式、过去分词形式完全不同。 例: give(给) gave given fly(飞) flew flown drink(喝) drank drunk see(看见) saw seen go(去) went gone kn

5、ow(知道) knew known wear(穿) wore worn speak(说) spoke spoken 5过去式和过去分词有两种形式 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 /

6、leapt -leaped /leapt 提示 u beat的过去式与原形同形: 比:beat(打击)-beat(过去式)-beaten(过去分词) u lie有规则变化和不规则变化两种,含义不同 比:lie-lied-lied 说谎 lie-lay- lain 躺下,位于,平放 lay-laid-laid 放置,下蛋 u hang 有规则变化和不规则变化两种,含义不同 比:hanghanged-hanged(处绞刑) hanghung-hung(挂,吊) u welcome(欢迎)一词是规则动词,不可误用为不规则动词 比:welcomewelcomed-welcomed u 不要将不规则动词

7、误用为规则动词 比:hit(打)-hit-hit(正) (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.(前面提到过) 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/ B. 过去式与过去分词完全相同(前面提到过) 1. 过去式和过去分词中含有ought, aught, 读音是 :t bright-brought-brought think-thought-tho

8、ught 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(吐) 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-understoo

9、d 6. 动词原形中的ay为aid, say-said-said pay-paid-paid 7. a)动词原形中的d变为t, send-sent-sent lend-lent-lent spend-spent-spent build-built-built b ) 动词原形最后一个字母变为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 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-sle

10、pt-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-d

11、rank-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-

12、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-e

13、aten 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 5

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