动词过去式变化规则

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1、动词过去式变化规则I一般过去时态定义：表示过去某时发生的动作或存在的状态。结构：“主语+动词的过去式”用法：1.表示过去某个时间发生的动作或存在的状态。Hewashereyesterday.Igotupatsevenyesterdaymorning.Mymotherwasatworkyesterdayafternoon.Didyouhaveagoodtimelastsummer?2.表示过去经常或反复发生的动作。Mymotheroftenwenttoworkbytaxilastyear.WhenIwasast

2、udent,Ioftenlistenedtomusic.3.常与一般过去时态连用的时间有：一般过去式的用法：一般过去式表示过去的动作和状态，通常一般过去式带有表示动作时间状语的词，词组或从句,如yesterday,thedaybeforelast,lastweek,twodaysago等,上下文清楚时可以不带时间状语。Iworkedinthatfactorylastyear.去年我在那一家工厂工作。Imethimyesterday.昨天我碰见了他。IwenttotheTianLongMountainyeste

3、rday.昨天我们去了天龙山。一般过去式构成：表示一般过去式的动词通常用动词的过去式形式来表示，而动词的过去式是在动词原形的基础上变化的。动词的过去式可分为规则动词和不规则动词。4.一般过去时的标志词:lastyear;lastnightyesterday(+morning,afternoon,evening)in+过去时间词:in1998…依上下文或句子。II过去式规则变化（a）动词词尾+“ed”。walk→walked（走）need→needed（需要）（b）动词词尾为“e”时，加“-d”live→liv

4、ed（住）like→liked（喜欢）（c）动词词尾为“辅音字母+y”时，去“y”加“ied”，若是词尾为“元音字母+y”，只加“ed”。study→studied（学习）play→played（游戏）（d）原形动词词尾为重读闭音节时，先双写该辅音字母再+“ed”stop→stopped过去式“-ed”的发音规则（1）动词词尾为“t，d”时，发/Id/音，want→wanted（要）need→needed（需要）（2）动词词尾为等清辅音时，发/t/音。help→helped（帮助）laugh→laughed（

5、笑）look→looked（看）kiss→kissed（吻）wash→washed（洗）watch→watched（注视）（3）动词词尾为以外之浊辅音或元音时，发/d/音。call→called（叫）stay→stayed（停留）cry→cried（哭）III过去式不规则变化(一)不变1.cut-cut2.let-let3.put-put4read-read5．Must-must（二）改成a1.come-came2.become-became3.begin-began4.drink-drank5.have-h

6、ad6.run-ran7.sit-sat8.ring-rang9.sing-sang10.swim-swam11.give-gave（三）改成ght1.think-thought2.fight-fought3.bring-brought4.buy-bought5.catch-caught6.teach-taught（四）改成t1.keep-kept2.sleep-lept3.sweep-swept4.feel-felt5.spend-spent6.learn-learnt7.mean-meant（五）改成ew

7、1.blow-blew2.know-knew3.grow-grew4.draw-drew5.throw-threw6.fly-flew（六）改成o1.get-got2.forget-forgot3.write-wrote4.ride-rode5.drive-drove6.sell-sold7.tell-told8.stand-stood9.understand-understood10.speak-spoke11.hear-heard12.take-took(七)其他形式1.make-made2.hear-h

8、eard3.eat-ate4.mean-meant5.say-said6.find-found7.meet-met8.see-saw9.can-could10.shall-should11.will-would12.may-might13.go-went14.see-saw15.wear-wore(八)易错型Think-thought/thank-thankedtake-took/talk-talk