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常见动词过去式、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。一、规则变化:1.一般情况直接加ed，如ask—asked,work—worked2.以不发音的e结尾，只加d，如love—loved,dance—danced3.以辅音字母加y结尾，把y变为i，再加ed，如try—tried,study—studied4.以一个元音字母和一个辅音结尾的重读闭音节结尾的动词(以重读闭音节或r音节结尾而末尾只有一个辅音字母),先双写末尾这个辅音字母,再加ed,如stop—stopped,permit—permitted注：A.以l结尾的动词,尾音节重读时,双写l,如control—controlled;尾音节不重读时,双不双写都可以，如travel—traveled(美)/travelled(英)。B.特例:picnic—picnicked—picnicked(去野餐),traffic—trafficked—trafficked（交易,在…通行），prefer—preferred—preferred较喜欢，refer—referred—referred提到另外,还有很多动词的过去式和过去分词是不合乎上述规则的,需要熟记.(见后)C.读音与说明:①.-ed在清辅音音素后发音为[t]:helped,liked,finished,fetched,stopped,clapped②.-ed在浊辅音和元音后发音为[d]:believed,changed,planned,preferred,followed,stayed③.-ed在[t]、[d]后发音为[id]:wanted,needed,admitted,permitted二、不规则变化⒈A---A---A型（现在式、过去式、过去分词同形）原形（现在式）过去式过去分词现分/动名词三单中文hithithithittinghits打、撞hurthurthurthurtinghurts伤害costcostcostcostingcosts花费letletletlettinglets让setsetsetsettingsets设置、搭建shutshutshutshuttingshuts关闭spreadspreadspreadspreadingspreads传播，散布putputputputtingputs放置readreadreadreadingreads读cutcutcutcuttingcuts砍、切、割补充broadcastbroadcastbroadcastbroadcastingbroadcasts广播，播放castcastcastcastingcasts投、掷burstburstburstburstingbursts爆裂，冲破shedshedshedsheddingsheds流出，放射upsetupsetupsetupsettingupsets弄翻，打乱口诀1：2H（hit,hurt)花钱(cost)让(let)3S(set,shut,spread)放(put)（下）读书(read)（去）切割（cut)⒉A---A---B型（现在式和过去式同形）原形（现在式）过去式过去分词现分/动名词三单中文beatbeatbeatenbeatingbeats打败口诀2：打败天下无敌手，过去分词加en⒊A---B---A型（现在式和过去分词同形）原形（现在式）过去式过去分词现分/动名词三单中文runranrunrunningruns跑comecamecomecomingcomes来becomebecamebecomebecomingbecomes成为overcomeovercameovercomeovercomingovercomes超越，克服口诀3：跑、来、成为、（杨）超越，元音字母变成a⒋A---B---B型（过去式与过去分词同形）(1)原形→aught→aught原形过去式过去分词现分/动名词三单中文teachtaughttaughtteachingteaches教catchcaughtcaughtcatchingcatches抓住、赶上口诀4：教书被抓，变成aught(2)原形→ought→ought原形过去式过去分词现分/动名词三单中文thinkthoughtthoughtthinkingthinks想、思考buyboughtboughtbuyingbuys买seeksoughtsoughtseekingseeks寻求bringbroughtbroughtbringingbrings带来fightfoughtfoughtfightingfights打架口诀5：想买（个）熊球（寻求）带来打架(3)eep→ept→ept原形过去式过去分词现分/动名词三单中文sleepsleptsleptsleepingsleeps睡觉keepkeptkeptkeepingkeeps保持sweepsweptsweptsweepingsweeps清扫口诀：睡觉保持清扫，变成ept(4)词尾-ell变成-old原形过去式过去分词现分/动名词三单中文sellsoldsoldsellingsells卖telltoldtoldtellingtells告诉retellretoldretoldretellingretells复述注：复述卖告诉(5)词尾变成-elt原形过去式过去分词现分/动名词三单中文feelfeltfeltfeelingfeels感觉smellsmelled/smeltsmelled/smeltsmellingsmells闻spellspelled/speltspelled/speltspellingspells拼写注：感觉闻（到）拼写(6)词尾-ild、-end，把d变成t原形过去式过去分词现分/动名词三单中文bendbentbentbendingbends使弯曲lendlentlentlendinglends借出sendsentsentsendingsends送spendspentspentspendingspends花费、度过buildbuiltbuiltbuildingbuilds建造rebuildrebuiltrebuiltrebuildingrebuilds重建注：使（史）弯曲借出送花费建造（重建）(7)词尾+t原形过去式过去分词现分/动名词三单中文dreamdreamed/dreamtdreamed/dreamtdreamingdreams梦想burnburned/burntburned/burntburningburns着火、燃烧leapleaped/leaptleaped/leaptleapingleaps跳跃learnlearned/learntlearned/learntlearninglearns学习dealdealtdealtdealingdeals处理meanmeantmeantmeaningmeans意思注：梦（见）着火，跳跃学习处理意思(8)词尾ay变成aid原形过去式过去分词现分/动名词三单中文paypaidpaidpayingpays付给saysaidsaidsayingsays说laylaidlaidlayinglays下蛋、放注：付给说下蛋(9)2个元音减少一个原形过去式过去分词现分/动名词三单中文feedfedfedfeedingfeeds喂养speedspeeded/spedspeeded/spedspeedingspeeds加速breedbredbredbreedingbreeds生产、繁殖meetmetmetmeetingmeets遇见leadledledleadingleads领导shootshotshotshootingshoots射击bleedbledbledbleedingbleeds出血口诀6：喂（牛）加速繁殖，遇见领导射击，出血，去掉后一个元音字母。(10)其他原形过去式过去分词现分/动名词三单中文have/hashadhadhavinghas有getgotgotgettinggets得到makemademademakingmakes制造findfoundfoundfindingfinds发现、找到holdheldheldholdingholds举办leaveleftleftleavingleaves离开loselostlostlosingloses丢失hearheardheardhearinghears听sitsatsatsittingsits坐winwonwonwinningwins赢得standstoodstoodstandingstands站、忍受understandunderstoodunderstoodunderstandingunderstands理解、明白showshowedshowed/shownshowingshows展示补充spinspunspunspinningspins纺纱spoilspoiled/spoiltspoiled/spoiltspoilingspoils溺爱、掠夺spillspilled/spiltspilled/spiltspillingspills流出spitspatspatspittingspits吐痰babysitbabysatbabysatbabysittingbabysits临时照看digdugdugdiggingdigs挖stickstuckstuckstickingsticks粘贴、刺bindboundboundbindingbinds捆绑flingflungflungflingingflings扔、抛bitebit/bitbit/bittenbitingbites咬lightlighted/litlightedlightinglights点燃shineshoneshoneshiningshines发光、照耀shinedshinedshiningshines磨光、擦亮hanghunghunghanginghangs悬挂hangedhangedhanginghangs吊死windwoundwoundwindingwinds缠绕windedwindedwindingwinds上紧......的发条⒌A---B---C型（现在式、过去式和过去分词都不相同）(1)原形（-aw,-ow）→ew→own原形过去式过去分词现分/动名词三单中文growgrewgrowngrowinggrows成长knowknewknownknowingknows知道了解throwthrewthrownthrowingthrows扔blowblewblownblowingblows吹drawdrewdrawndrawingdraws画画flyflewflownflyingflies飞注：长（grow）大后，才知道（know）,不要乱扔（throw）乱吹（blow）乱画（draw）乱飞（fly），show例外(2)原形i→a→u原形过去式过去分词现分/动名词三单中文beginbeganbegunbeginningbegins开始drinkdrankdrunkdrinkingdrinks喝ringrangrungringingrings响铃singsangsungsingingsings唱swimswamswumswimmingswims游泳sinksanksunk/sunkensinkingsinks下沉注：铃响（ring）后，开始（begin）唱歌（sing），游泳（swim）时，不要喝（drink）太多的水,否则会下沉（sink）的(3)原形-ear，过去式-ore，过去分词-orn原形过去式过去分词现分/动名词三单中文swearsworeswornswearingswears发誓teartoretorntearingtears扯破wearworewornwearingwears穿戴bearboreborn/bornebearingbears生育注：发誓扯破穿戴生育，ear变ore,分变orn。hear