英语人教版八年级下册被动语态.ppt

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1、被动语态被打的豆豆在遥远的小岛上，住着一个倒霉蛋，它叫豆豆。那里的人只有三件事要忙；吃饭，睡觉，打豆豆。你看它总是被打，还不知道是谁打的。明天，豆豆还会面临n顿暴打，可怜的豆豆啊。已经这样被打很多年了。我们亲爱的豆豆现在在干嘛，不用问，一定正在被打。随时可能被打的豆豆啊，谁来救救它吧。被动语态基本用法语态分两种，一种是主动语态，一种是被动语态；（1）当句子的主语是动作的执行者时，谓语的形式是主动语态。（2）当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。豆

2、豆总是被打，还不知道谁打的。Doudouisalwaysbeatenbysomeone.Hisbrotherwashesbowlseveryday.主谓宾(受动者)Bowlsarewashedbyhisbrothereveryday.改为被动语态1.Theymakeshoesinthatfactory.主语+及物动词+宾语Shoesaremade(bythem)inthatfactory.一般现在时：S(主语）+am/is/are+过去分词变为被动语态昨天晚上，夜黑风高，豆豆又被打了。Doudouwasbeate

3、nlastevening.Helookedafterthelittlebabyyesterday.主谓宾(受动者)Thelittlebabywaslookedafterbyhimyesterday.2.Theyboughttencomputerslastterm．Tencomputerswerebought(bythem)lastterm.一般过去时：S+was/were+过去分词明天，豆豆还将面临N顿暴打。Tomorrow,Doudouwillbebeatenseveraltimes.Tomwillcleant

4、heroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTomtomorrow.3.Theywillfinishtheworkintendays.Theworkwillbefinished(bythem)intendays.一般将来时：S+will+be+过去分词随时可能被打的豆豆啊，谁来救救它Doudoumaybebeatenanytime.4．AmycantakegoodcareofTina．TinacanbetakengoodcareofbyAmy.情态动词：S+can/m

5、ay/must/should+be+过去分词可怜的豆豆，已经这样被打很多年了。PoorDoudouhasbeenbeatenformanyyears.Wehavemadetwentymorekeys．Twentymorekeyshavebeenmadebyus.现在完成时：S+have/has+been+过去分词我们可怜的豆豆现在在干嘛，不用问，一定是正在被打。OurdearDoudouisbeingbeatenbow.Theworkersarepaintingtheroomsnow．Theroomsarebei

6、ngpaintedbytheworkersnow.现在进行时：S+am/is/are+being+过去分词总结：各种时态的被动语态构成一般现在时：一般过去时：一般将来时：现在完成时：情态动词：S+am/is/are+doneS+was/were+doneS+will+be+doneS+have/has+been+doneS+can/may/must/should+be+done各种时态的被动语态构成主动语态变被动语态口诀：宾语提前主语变，原主变宾by后见，时态人称be关键。1.Hecantakecareofthe

7、baby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.4.TheyshouldlearnEnglishwell.5.Jimcoulddoityesterday.Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.Englishshouldbelearnedwellbythem.ItcouldbedonebyJimyesterday.1.P

8、eopleuseknivesforcuttingthings.Knives____________forcuttingthings.2.Thestudentscleanthewindowsoftheirclassroomtwiceamonth.Thewindowsoftheirclassroom_____________twiceamonth.EXERCISESareus