被动语态周瑜PassiveVoice被动语态与主动语态：当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。ManypeoplespeakEnglish.(speak的动作是由主语manypeople执行的）Englishisspokenbymanypeople.(主语English是动词speak的承受者)被动语态与主动语态：当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。ManypeoplespeakEnglish.(speak的动作是由主语manypeople执行的）Englishisspokenbymanypeople.(主语English是动词speak的承受者)TheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.被动语态的构成被动语态是由（be+过去分词）构成的，如果需强调动作或行为的发出者时，在其后接（by...），意为（被…)。这里be是助动词，必须与主语的人称和数相一致，并有时态的变化(be有时也可以使用get,become等词来代替)。Hisbrotherwashesbowlseveryday主谓宾Bowlsarewashedbyhisbrothereveryday.一般现在时：Theymakeshoesinthatfactory.主语+及物动词+宾语Shoesaremade(bythem)inthatfactory.一般现在时：主语+am/is/are+过去分词Helookedafterthelittlebabyyesterday.主谓宾Thelittlebabywaslookedafterbyhimyesterday.2.一般过去时：Theyboughttencomputerslastterm．Tencomputerswerebought(bythem)lastterm.一般过去时：主语+was/were+过去分词Theybuiltthetallbuildinglastyear.Wecleanedourclassroomjustnow.Theyusedthisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.Tomwillcleantheroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTomtomorrow.Theywillfinishtheworkintendays.Theworkwillbefinished(bythem)intendays.一般将来时：主语+will+be+过去分词3.一般将来时：Wewillhaveasportsmeetingnextweek.Childrenwilltakesomephotosintheschoolyardtomorrow.Theheadmasterwillgiveatalkthisafternoon.Asportsmeetingwillbehadbyusnextweek.Somephotoswillbetakenbychildrenintheschooltomorrow.Atalkwillbegivenbytheheadmasterthisafternoon.4．情态动词：AmycantakegoodcareofGina．GinacanbetakengoodcareofbyAmy.情态动词：主语+can/may/must/should+be+过去分词1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.一般现在时：一般过去时：一般将来时：情态动词：主语+am/is/are+done主语+can/may/must/should+be+done主语+will+be+done主语+was/were+done各种时态的被动语态构成各种时态的被动语态构成下列时态的被动语态构成1.Lucyiswateringthetrees.1.Lucyiswateringthetrees.2.Wehavefinishedourcompositions.2.Wehavefinishedourcompositions.现在进行时：Someworkersarepaintingtheroomsnow．Theroomsarebeingpaintedbysomeworkersnow.现在进行时：主语+am/is/are+being+过去分词Wehavemadetwentymorekeys．Twentymorekeyshavebeenmadebyus.现在完成时：主语+have/has+been+过去分词现在完成时：
