动词的过去式形式规则动词的过去式词尾变化有几种1.一般情况下加ed,如watched,planted,watered,pulled,climbed,picked。2.以不发音字母e结尾的加d,如liked,moved,tasted。3.以辅音字母加y结尾的变y为i再加ed,如study——studied。4.以1个元音字母加1个辅音字母结尾的重读闭音节,双写最后一个辅音字母再加ed,如stop——stopped。词尾读音有3种:planneddroppeda.在浊辅音和元音后读[d],如lived,watered,listened,played。b.在清辅音后读[t],如liked,helped,watched。c.在[t],[d]音后读[Id],如planted,wanted,handed(上交)。不规则动词的过去式变化则没有什么规律,请大家背熟记牢:1.sit——sat2.am/is——was3.drink——drank4.draw——drew5.are——were6.sing——sang7.fly—flew8.do——did9.begin—began10.grow—grew11.have/has——had12.swim——swam13.put——put14.give——gave15.can——could16.let——let17.shall——should18.run—ran19.read——read20ride——rode21.catch——caught22.go——went23.write——wrote24.teach——taught25.eat——ate26.drive—drove27.think——thought28.buy——bought29.see——saw30.sleep——slept31.find——found32.sweep——swept33.feel——felt34.tell——told35.meet——met36.come——came37.get——got38.make——made39.take——took40.say——said一.写出下列单词的过去式,并且读一读ampullwatchhelpisplaymilkdancearestudylivepickdocrylistenhavecollectlikecooktaste二.用所给词的适当形式填空:1.Allthebooks_____(be)nothere,butthey_____(be)hereamomentago.2.It______(be)therejustnow,butitisn’ttherenow.3.YourCDWalkman(be)onthegroundjustnow.4.Where’sthecamera?It______(is)thereamomentago.5.Where____(be)thediarynow?It__(is)therejustnow.6.It_______(be)Helen’sbirthdayyesterday.7.It_____(be)onthegroundjustnow,butitisn’ttherenow.8.Myparents_______(be)notathomeamomentago.9.Tom_______(go)tovisitafarmlastweek.10.Thetwins_______(water)theflowersinthegardenyesterdaymorning.11.I_______(watch)afilmwithmyfriendlastFriday.12.Myfather_______(be)inLondonlastyear.13.What_______(do)youdothreedaysago?14._______(be)thereanyparksinthetownin1950?15.Where______(be)youjustnow?I_______(be)intheclassroom.16.What______you_______(do)lastFriday?We________(water)treesonthefarm.