unit9 被动语态课件.ppt

《unit9 被动语态课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、ThePassiveVoice（被动语态）英语动词有两种语态:主动语态和被动语态主动语态表示主语是动作的执行者例如：ManypeoplespeakEnglish.Heopenedthedoor.Wecanrepairthiswatchintwodays.被动语态表示主语是动作的承受者。例如：Englishisspokenbymanypeople.Thedoorwasopened.门被开了。Thiswatchcanberepairedbyusintwodays.语态分类被动语态的构成被动语态由“助动词be＋及物动词的过去分词”构成。助

2、动词be的变化是通过人称、数和时态的变化表现出来的。肯定句：S(主语)+be+done+(by…)否定句：S(主语)+benot+done+(by…)一般疑问句：Be+S(主语)+done+(by…)特殊疑问句：疑问词+be+done+(by…)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)inthatfac

3、tory.一般现在时：变为被动语态S(主语）+am/is/are+过去分词TheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.Thesemachinesar

4、emadeinBeijing.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.

5、Wecleanedourclassroomjustnow.Theyusedthisroomforresting.Thetallbuildingwasbuiltbythemlastyear.Hislittlebrotherwastakengoodcareofbyhimyesterday.Ourclassroomwascleanedbyusjustnow.Thisroomwasusedforrestingbythem.Tomwillcleantheroomtomorrow.主谓宾(受动者)TheroomwillbecleanedbyTo

6、mtomorrow.3.Theywillfinishtheworkintendays.Theworkwillbefinished(bythem)intendays.一般将来时：S+will+be+过去分词Wewillhaveasportsmeetingnextweek.Childrenwilltakesomephotosintheschooltomorrow.Theheadmasterwillgiveatalkthisafternoon.Asportsmeetingwillbehadbyusnextweek.Somephotoswi

7、llbetakenbychildrenintheschooltomorrow.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.TheyshouldlearnE

8、nglishwell.Thebabycanbetakencareofbyhim.ThepicturemaybedrawnbyLucy.Thelightsmustbeturnedoffbyyou.Englishshouldbelearn