一般现在时被动语态教学课件(共18张PPT)

IntroductionThegirlmakesadressforherdoll.Thedressismadeofsilk.结构：be+动词的过去分词意义：强调主语是动作的承受者Theglasswasbrokenbytheboy.变化：示例Theboybroketheglass.Theglasswasbrokenbytheboy.从主动语态变为被动语态1.主语2.谓语3.宾语介词by+宾语加be,并变为过去分词主语WecallthegardentheWestLake.ThegardeniscalledtheWestlake.Activevoice主动语态SVOPassivevoice被动语态SV1.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2.Theyboughttencomputerslastterm．Tencomputerswerebought(bythem)lastterm.一般过去时：S+was/were+过去分词Tomwillcleantheroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTomtomorrow.一般将来时:willbe+动词的过去分词WhentousethepassivevoiceWeusethepassivevoicewhenitisobviouswhoperformstheaction.EnglishisspokeninBritain,Americaandsomeothercountries.Thenewtypeofwashingmachinesissoldinthisshop.TheycleantheriverPeoplebuildmanybuildingsinthecity.Manybuildingsarebuiltinthecitybypeople.主动语态被动语态被动语态句子的谓语部分由助动词be+动词的过去分词其中，助动词be来体现时态的变化。amSubject+is+doneareTheriveriscleanedbythemPeoplecleantheroadseveryday.Heoftenhitsmeonmyhead.WewelcomemorevisitorstoYangzhou.Studentsdolotsofhomework.TransformthefollowingintothepassiveTheroadsarecleanedeveryday.Iamoftenhitonmyheadbyhim.MorevisitorsarewelcomedtoYangzhou.Lotsofhomeworkisdonebystudents.DescribethepictureswiththepassivevoiceTheriverispollutedseriously.Sometreesarecutdown.Asportsmeetingisheldinourschooleveryyear.Thewhaleiskilledforitsfin.1,感官动词、使役动词等在主动语态中后接零动词不定式变成被动语态时要加上“to”see/hear/noticesb.dosth.sb.beseen/heard/noticedtodosth.let/make/havesb.dosth.sb.belet/made/hadtodosth.•Thebossmakestheworkersworkallday.•Ioftenhearhersingintheroom.•Weseesomeboysplayingfootball.Theworkersaremadetoworkallday.Sheisoftenheardtosingintheroom.Someboysareseenplayingfootball.2，双宾语结构变为被动语态的两种情况：例句：HeteachesusEnglish常把间接宾语即（sb）变为主语WearetaughtEnglishbyhim.若把直接宾语(即sth.)变为被动句的主语时，常在保留宾语前加to或for。Englishistaughttous(byhim).3，主动语态中“动词+介词”或“动词+副词”的短语动词变为被动语态时，介词或副词不可拆开或漏掉。Theylookafterthegirlwell.Thegirlislookedafterwellbythem.Heoftenlaughsatthepoorboy.Thepoorboyisoftenlaughedatbyhim.4，请注意以下几种不用被动语态的情况：不及物动词（vi）没有被动语态。如：happen,cost,dieStart/begin,finish,rise,appear,dropetc.联系动词（linkingV）没有被动语态。（seem,look,become,get,grow,turn,remain,stay）一些固定结构无被动。如：takeplace,setout,cometrue,breakout,comedown,belongto有些动词既是及物又是不及物，当他们与well,badly,easily等副词连用时表示主语内在品质或性能，无被动。如：Theclothwasheseasily.Thepenwritessmoothly.Thenewproductsellswell.1.一般现在时态的被动语态结构:am/is/are+vt过去分词2.一般过去时态的被动语态结构:was/were+vt过去分词3.含有情态动词的被动语态结构:情态动词+be+vt过去分词4.一般将来时的被动语态结构:will/shall+be+vt过去分词5.现在进行时态的被动语态结构:am/is/are+being+vt过去分词6.过去进行时态的被动语态结构:was/were+being+vt过去分词7.现在完成时态的被动语态结构:have/hasbeen+vt过去分词Homework:1,许多人被邀请参加这次的活动。(invite)2,需要更多的钱来支持这项工作。(support)3,在贫困地区，每年很多学校被建起来。4，电脑被年轻人广泛地使用。Manypeopleareinvitedtoattendtheactivity.Moremoneyisneededtosupportthework.Manyschoolsarebuiltinpoorareaseveryyear.Computersarewidelyusedbyyoungpeople.