被动语态(一般过去式)

被动语态(一般过去式)lightbulbThomasEdisonin1879radioMarconi1895ThefirstairplaneWilburandOrvilleWright1903KarlBenz1885JohnBaird(约翰·贝尔德)1926AlexanderGrahamBell1876句型转换1.Ourteachingbuildingwasbuiltin1978.(一般问句)2.Alongtimeago,computerswereonlyusedforcounting.(提问)3.ThefirstMP3wasmadeinKorea.(提问)4.IwasinvitedtoplaybasketballlastSaturday.(提问)5.ThecupwasbrokenbyTom.(提问)Hisbrotherwashesbowlseveryday.主谓宾(受动者)Bowlsarewashedbyhisbrothereveryday.改为被动语态1.TheyplayfootballonSunday.2.Lucydoesthehomeworkintheevening.3.Theyoftenusecomputersinclass.4.WemakethesemachinesinBeilun.5.PeoplespeakEnglishasthefirstlanguageinUK.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeilun.EnglishisspokenasthefirstlanguageinUK.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Helookedafterthelittlebabyyesterday.主谓宾(受动者)Thelittlebabywaslookedafterbyhimyesterday.Theybuiltthetallbuildinglastyear.Hetookgoodcareofhislittlebrotheryesterday.Wecleanedourclassroomjustnow.Theyusedthisroomforresting.Theyplantedmanytreesyearsago.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.Manytreeswereplantedbythemyearsago.2.Theyboughttencomputerslastterm．Tencomputerswerebought(bythem)lastterm.一般过去时：S+was/were+过去分词