一般过去时变化规则

1、般过去时变化规则(1) 一般在动词后加-ed。如：playplayed, offeroffered,weigh weighed,Destroy destroyed,signsigned.(2)在以字母e结尾的动词后，只加-d。如：likeliked,provide provided,hate hated, datedated。(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,flyflied,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-edo如：plan planne

2、d,referreferred,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:幻a:北？: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)be

3、at beat beaten 打3. A-B-A 型(现在式和过去分词同形)come came come 来become became become变run 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。burn burnt burnt燃烧 learn learned/learnt learned/learnt学习mean meant meant 意思 hear heard heard听见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 lent lent借给lose lost

4、lost其他失去send sent sentspend spent spent花费pay paid paidlay laid laid卜蛋say said saidbring brought brought think thought thought teach taught taught sleep slept slept sweep swept swept带来 想教buy bought bought catch caught caught fight fought fought keep kept kept stand stood stood买抓住战斗保持站understand under

5、stood understoodshine shone/shined shone/shined明白 发光win won wonfeel felt feltfind found found 发现hang hanged/ hung hanged/ hunghold held held 盛，握make made made 制造get got got绞死，挂 have had had leave left leftmeet met metsell sold soldtell told told卖告诉shoot shot shotsit sat satsmell smelt/smelled smelt/

6、smelled得胜觉得得到有遇见射击 坐嗅，闻 dig dug dug5. 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-neat ate eaten 吃或-en构成过去分词。fall fell fallensteal stole stolenfreeze froze frozen偷冻结give gave giventake took takensee saw seen 看见write wrote writtenride rode riddenthrow threw throwngrow grew grown fly flew flown骑抛, 生长show showed

7、showndrive drove drivenblow blew blownknow knew knowndraw drew drawn落下给拿写驾驶 吹 知道 拉，绘画过去式加-n或-en构成过去分词。speak spoke spoken说话break broke broken破碎,wake waked/ woke waked/ waken 醒 choose chose chosen折断选择word文档交流6forget forgot forgotten 忘记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)。begin began begun 开始 ring

8、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 been 是 be(are) were been 是do did done 做 go went gone 去lie lay lain 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bearboreborne , bornbearingbears忍受，承担forbearforboreforborneforbearingfo

9、rbears克制，忍耐overbearoverboreoverborneoverbearingoverbears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出价高于（别人）underbidunderbidunderbid

10、, underbiddenunderbiddingunderbids出价较低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castcastcastcastingcasts铸造，投掷，脱落broadcastbroadcast , broadcastedbroadcas

11、t , 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recastrecastrecastrecastingrecasts再铸，重塑，改正comecamecomecomingcomes来，成为，变得becomebecamebe

12、comebecomingbecomes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overdooverdidoverdoneoverdoingoverdoes做得过分，夸张redoredidredoneredoingredoes重做undoundidundoneundoingundoes松开，撤销drawdrewdrawndrawingdraws绘画，拉，吸引withdrawwithdrewwithdrawnwithdrawingwithdraws撤退，退出fallfellfallenfallingfalls落下，下降befallbefellbefallenbefallingbefalls发生，降临getgotgot;(US) gottengettinggets得到，到来，成为begetbegotbegottenbegettingbegets产生，引起forgetforgo