蒙香美2013322动词过去式过去分词的构成work-shop-Finish-dig-Play-grow--Like-run-Die–eatCry-speak-Carry-drive--Rememberthepastformsandpastparticipleforms:A---A---Acut---cut---cutcost---cost---costput---put---putread---read---readHit–hit–hitHurt–hurt–hurtSet–set–setShut–shut–shutBet—bet—betA---B---Acome---came---comebecome---became---becomerun---ran---runA---A---Bbeat---beat---beatenA---B---Cbegin---began---begunswim---swam---swumsing---sang---sungwrite---wrote---writtenspeak---spoke---spokenchoose---chose---choseneat---ate—eatensee-saw—seenbring---brought---broughtthink---thought---thoughtlend---lent---lentspend---spent---spentSend–sent----sentBuild---built----builtA---B---B?What’situsedfor?What’sitmadeof?Whenwasitinvented?Whowasitinventedby?1876/BellA:What______the…______________?B:Itismadeof....A:What_____it________for?B:It’susedfor….A:When______it__________?B:Itwasinventedin_________.A:Who_________it___________by?B:Itwasinventedby_______.1879/Edison1976Americanscientistsismadeofisusedwasinventedwasinvented一、被动语构成一、被动语构成时态通过时态通过bebe表表现出来现出来被动语态的句子是以“被动语态的句子是以“bebe动词动词++过去分词”的过去分词”的形式来表达，如果强调动作或行为的执行者时，形式来表达，如果强调动作或行为的执行者时，句子后面需接句子后面需接by…by…，意为“被（由），意为“被（由）……”……”。。被动语态的句型被动语态的句型肯定句主语+bebe+过去分词过去分词+（byby…）否定句主语+bebenotnot+过去分词过去分词+（byby…）一般疑问句bebe+主语+过去分词过去分词+（byby…）特殊疑问句疑问词+bebe+主语+过去分词过去分词+（byby…）1Treesareplantedbypeopleinspring.Thissongsongisnotlikedisnotlikedbyyoungpeople.byyoungpeople..IsChineseusedonlyinChina?A:Whatwasitmadeof?B:Itwasmadeofbamboo.Hisbrotherwashesbowlseveryday主谓宾(受动者)Bowlsarewashedbyhisbrothereveryday.二、主动语态变为被动语态1.Theymakeshoesinthatfactory.主语+及物动词+宾语Shoesaremade(bythem)inthatfactory.一般现在时：S(主语）+am/is/are+过去分词•TheyplayfootballonSunday.•Lucydoesthehomeworkintheevening.•Theyoftenusecomputersinclass.•WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.Helookedafterthelittlebabyyesterday.主谓宾(受动者)Thelittlebabywaslookedafterbyhimyesterday.2.Theyboughttencomputerslastterm．Tencomputerswerebought(bythem)lastterm.：一般过去时:S+was/were+过去分词•Theybuiltthetallbuildinglastyear.•Hetookgoodcareofhislittlebrotheryesterday.•Wecleanedourclassroomjustnow.•Theyusedthisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.Tomwillcleantheroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTomtomorrow.3.Theywillfinishtheworkintendays.Theworkwillbefinished(bythem)intendays.一般将来时：S+will+be+过去分词•Wewillhaveasportsmeetingnextweek.•Childrenwilltakesomephotosintheschoolyardtomorrow.•Theheadmasterwillgiveatalkthisafternoon.Asportsmeetingwillbehadbyusnextweek.Somephotoswillbetakenbychildrenintheschooltomorrow.Atalkwillbegivenbytheheadmasterthisafternoon.4．AmycantakegoodcareofGina．GinacanbetakengoodcareofbyAmy.情态动词：S+can/may/must/should+be+过去分词1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglis...
