一般过去时变化规则

一般过去时变化规则⑴一般在动词后加-ed。如：Play-played, offer—offered, weigh—weighed,Destroy—destroyed, sign—signed.(2)在以字母e结尾的动词后，只加-d。如：like—liked, provide—provided, hate—hated,date—dated。(3)在以“辅音字母+y”结尾的动词后，则改y为i，再加ed。如：supply—supplied, fly—flied, study—studied.(4)在以单短元音的重读闭音节结尾且末尾只有一个辅音字母的动词后，双写最后一个辅音字母，再加-ed。如：plan—planned,refer-referred,regret-regretted,ban—banned.★重读闭音节三要素：(1)一个元音字母后跟一个或几个辅音字母

(2)以一个辅音音素结尾；(3)元音字母发短元音。★长元音：[i:][ə:][a:][ɔ:][u:]短元音：[e][i][ʌ][æ][ə][ɔ][u]常用不规则动词分类表A A A型（现在式、过去式、过去分词同形）costcostcost花费cutcutcut害必切hithithit打letletlet让 putputput放下readreadread读hurthurthurt伤A A B型（现在式和过去式同形）beatbeatbeaten打A B A型（现在式和过去分词同形）ComeCameCome来 becomebecamebecome变runranrun跑A B B型⑴在动词原形后加一个辅音字母d或t构成过去式或过去分词。burnburntburnt燃烧learnlearned/learntlearned/learnt学习meanmeantmeant意思hearheardheard听见⑵把动词原形的最后一个辅音字母“d”改为“t”构成过去式或过去分词。buildbuiltbuilt建筑loselostlost失去spent花费⑶其他paypaidpaid付Said说bringbroughtbrought带来thinkthoughtthought想住teachtaughttaught教斗sleepsleptslept睡sweepsweptswept扫胜觉得findfoundfound发现到sendsentsent送laylaidlaid下蛋understandunderstoodunderstood明白shineshone/shinedshone/shined发光hanghanged/hunghanged/hung绞死，挂lendlentlent借给spendspentsaysaidbuyboughtbought买

catchcaughtcaught抓fightfoughtfought战keepkeptkept保持standstoodstood站winwonwon得feelfeltfeltgetgotgot得havehadhad有leaveleftleft离holdheldheld盛，握开makemademade制造 meetmetmet遇见sellsoldsold卖 shootshotshot射击telltoldtold告诉 sitsatsat坐smellsmelt/smelledsmelt/smelled嗅，闻digdugdug挖A B C型（现在式、过去式和过去分词都不相同）⑴在动词原形后加-n或-en构成过去分词。eatateeaten吃stealstolestolen偷freezefrozefrozen冻结seesawseen看见rideroderidden骑驶throwthrewthrown抛，扔growgrewgrown生长flyflewflown飞画showshowedshown展示⑵过去式加-n或-en构成过去分词。speakspokespoken说话fallfellfallen落下givegavegiven给taketooktaken拿

writewrotewritten写

drivedrovedriven驾blowblewblown吹knowknewknown知道drawdrewdrawn拉，绘breakbrokebroken破碎，折断wakewaked/wokewaked/waken醒choosechosechosen选择forgetforgotforgotten忘记⑶变单词在重读音节中的元音字母“i”分别为“a”(过去式)和“u”(过去分词)。beginbeganbegun开始ringrangrung按铃singsangsung唱sinksanksunk沉 swimswamswum游泳drinkdrankdrunk饮⑷其他不规则动词的变化。be(am,is)was/werebeen是be(are)werebeen是dodiddone做 gowentgone去lielaylain躺 wearworeworn穿不规则动词表不定式过去式过去分词现在分词第三人称单数注释bearboreborne,bornbearingbears忍受，承担forbearforboreforborneforbearingforbears克制，忍overbearoverboreoverborneoverbearing:…压服，征服bendbentbentbendingbends弯曲，弯腰unbendunbentunbentunbendingunbends变直，伸直bidbade,bidbidden,bidbiddingbids出价，恳求，邀请，力求，企图forbidforbade,forbadforbiddenforbiddingforbids禁止，阻碍outbidoutbidoutbidoutbiddingoutbids出价高别人）Underbidunderbidunderbid,underbiddenunderbiddingunderbid出价较低bindboundboundbindingbinds约束，捆绑rebindreboundreboundrebindingrebinds重新捆绑unbindunboundunboundunbindingunbinds解开，解放buildbuiltbuiltbuildingbuilds建造，建rebuildrebuiltrebuiltrebuildingrebuilds重建，恢复castcastcastcastingcasts铸造，投掷，脱落broadcastbroadcastbroadca,,broadcastibroadcas广Stbroadcastbroadcastngts播ededforecast,forecastedforecast,forecastedforecasting预报，预测指配不miscastmiscastmiscastmiscastingmiscasts适当的角色overcastovercastovercasting一使沮丧，包缝，遮蔽recastrecastrecastrecastingrecasts再铸，重塑，改正comecamecomecomingcomes来，成为，变得becomebecamebecomebecomingbecomes变为，适合，发生overcomovercameovercomeovercomingovercome战胜，克服dealdealtdealtdealingdeals处理，分配misdealmisdealtmisdealtmisdealingmisdeals处理不当dodiddonedoingdoes做，outdooutdidoutdoneoutdoingoutdoes胜过，优overdooverdidoverdoneoverdoingoverdoes做得过分，夸张redoredidredoneredoingredoes重做undoundidundoneundoingundoes松开，撤销drawdrewdrawndrawingdraws绘画，拉，吸引WithdraWwithdrewwithdrawnwithdrawingwithdraw撤退，退出fallfellfallenfallingfalls落;befallbefellbefallenbefallingbefalls发生，降临getgotgot;(US)gottengettinggets得到，到来，成为begetbegotbegottenbegettingbegets产生，引起