一般过去时变化规则

1、般过去时变化规则weigh weighed, sig nsig ned.（1） 一般在动词后加-ed。如:play played,offeroffered,Destroy destroyed, 在以字母e结尾的动词后，只加-d。hate hated, date dated。如:likeliked, provide provided, 在以 辅音字母+y ”吉尾的动词后，则改y为i，再加ed。女口： 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。女口： plan

2、 planned,referreferred,regret regretted, ban banned.重读闭音节二要素：(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:?:a:?:u:短元音：e i? ? ? ?u常用不规则动词分类表1. A-A-A 型（现在式、过去式、过去分词同形）cost cost cost 花费 cut cut cut 割，切 hit hit hit打let let let 让 put put put放下 read read read 读hurt hurt hurt 伤2. A-A-B 型（现在式和过去式同形

3、）beat beat beate n打3. A-B-A 型（现在式和过去分词同形）come came come 来become became becomerun ran run 跑4. A -B -B 型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。bur n bur nt bur nt燃烧 lear n lear ned/lear nt lear ned/lear nt学习mea n mea nt mea nt 意思 hear heard heard 听见花费说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build built built 建筑 lend

4、lent lent借给lose lost lost 失去 send sent sent 送 spe nd spe nt spe nt 其他pay paid paid 付 lay laid laid下蛋 say said saidbring brought brought带来buy bought bought买think thought thought想catch caught caught抓住teach taught taught教fight fought fought战斗sleep slept slept睡keep kept kept保持sweep swept swept 扫sta nd s

5、tood stood站un dersta nd un derstood un derstood明白win won won得胜shi ne sho ne/sh ined sho ne/sh ined发光feel felt felt觉得find found found发现get got got得到hang han ged/ hung han ged/ hung绞死，挂have had had有leave left left meet met met shoot shot shot sit sat sat离开遇见射击坐hold held held盛，握make made made 制造 sell s

6、old sold卖tell told told告诉smell smelt/smelled smelt/smelled嗅，闻 dig dug dug 挖5. A-B-C 型（现在式、过去式和过去分词都不相同） 在动词原形后加-n或-en构成过去分词。eat ate eate n 吃fall fell falle n落卜steal stole stole n偷give gave give n给freeze froze froze n冻结take took take n拿see saw seen 看见write wrote writte n写ride rode ridde n骑drive drove

7、 drive n驾驶throw threw throw n 抛，扔blow blew blow n吹grow grew grown 生长know knew known知道fly flew flow n飞draw drew draw n拉，绘画show showed show n 展示过去式加-n 或-en 构成过去分词。speak spoke spoke n 说话 break broke broke n破碎，折断wake waked/ woke waked/ wake n 醒 choose chose chose n 选择forget forgot forgotte n忘t记变单词在重读音节中

8、的元音字母“ i”分别为“ a”(过去式)和“ u”(过 去分词)。begin began begun 开始 ring rang rung 按铃 sing sang sung 唱 sink sank sunk 沉 swim swam swum 游泳 drink drank drunk 饮 其他不规则动词的变化。be(am,is) was/ were bee n 是 be(are) were bee n 是 do did done 做 go went gone去lie lay lain身躺wear wore worn 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bearborebo

9、rne， bornbearingbears忍受，承担forbearforboreforborneforbearingforbears克制，忍耐overbearoverboreoverborneoverbearingoverbears压服，征服bendbentbentbendingbends弯曲，弯腰unbendunbentunbentunbendingunbends变直，伸直bidbade，bidbidden，bidbiddingbids岀价，恳求，邀 请，力求，企图forbidforbade， forbadforbiddenforbiddingforbids禁止，阻碍outbidoutbid

10、outbidoutbiddingoutbids岀价高于（别人）underbidunderbidunderbid ， underbiddenunderbiddingunderbids岀价较低bindboundboundbindingbinds约束，捆绑rebindreboundreboundrebindingrebinds重新捆绑unbindunboundunboundunbindingunbinds解开，解放buildbuiltbuiltbuildingbuilds建造，建立rebuildrebuiltrebuiltrebuildingrebuilds重建，恢复castcastcastcast

11、ingcasts铸造，投掷，脱落broadcastbroadcast ， broadcastedbroadcast ， broadcastedbroadcastingbroadcasts广播forecastforecast , forecastedforecast , forecastedforecastingforecasts预报，预测miscastmiscastmiscastmiscastingmiscasts指配不适当的角色overcastovercastovercastovercastingovercasts使沮丧，包缝，遮蔽recastrecastrecastrecastingrec

12、asts再铸，重塑，改正comecamecomecomingcomes来，成为，变得becomebecamebecomebecomingbecomes变为，适合，发生overcomeovercameovercomeovercomingovercomes战胜，克服dealdealtdealtdealingdeals处理，分配misdealmisdealtmisdealtmisdealingmisdeals处理不当dodiddonedoingdoes做，干outdooutdidoutdoneoutdoingoutdoes胜过，优于overdooverdidoverdoneoverdoingover

13、does做得过分，夸张redoredidredoneredoingredoes重做undoundidundoneundoingundoes松开，撤销drawdrewdrawndrawingdraws绘画，拉，吸引withdrawwithdrewwithdrawnwithdrawingwithdraws撤退，退岀fallfellfallenfallingfalls落下，下降befallbefellbefallenbefallingbefalls发生，降临getgotgot;(US) gottengettinggets得到，到来，成为begetbegotbegottenbegettingbegets产生，引起forgetfo