Unit5---Unit7被動語態(tài)何為被動語態(tài)？當句子的主語是動作的執(zhí)行者時，謂語的形式是主動語態(tài)。當句子的主語是動作的承受者時，謂語要用被動語態(tài)被動語態(tài)的標志：被動語態(tài)由助動詞be+過去分詞構(gòu)成，時態(tài)通過be表現(xiàn)出來。一般現(xiàn)在時被動語態(tài)Hisbrotherwashesbowlsevery

day.主謂賓(受動者）Bowlsarewashedbyhisbrotherevery

day.結(jié)構(gòu)：S(主語）+am/is/are+過去分詞一般現(xiàn)在時被動語態(tài)練習TheyplayfootballonSunday.FootballisplayedbythemonSunday.Lucydoesthehomeworkintheevening.ThehomeworkisdonebyLucyintheevening.Theyoftenusecomputersinclass.Computersareoftenusedbytheminclass.一般過去時被動語態(tài)Helookedafterthelittlebabyyesterday主謂賓（受動者）Thelittlebabywaslookedafterbyhimyesterday結(jié)構(gòu)：S+was/were+過去分詞一般過去時被動語態(tài)練習

Theybuiltthetallbuildinglastyear.Thetallbuildingwasbuiltbythemlastyear.Hetookgoodcareofhislittlebrotheryesterday.Hislittlebrotherwastakengoodcareofbyhimyesterday.Wecleanedourclassroomjustnow.Ourclassroomwascleanedbyusjustnow.一般將來時被動語態(tài)Tomwillcleantheroomtomorrow.主謂賓TheroomwillbecleanedbyTomtomorrow.結(jié)構(gòu)：S+will+be+過去分詞一般將來時被動語態(tài)練習

Wewillhaveasportsmeetingnextweek.Asportsmeetingwillbehadbyusnextweek.Childrenwilltakesomephotosintheschoolyardtomorrow.Somephotoswillbetakenbychildrenintheschoolyardtomorrow.Theheadmasterwillgiveatalkthisafternoon.Atalkwillbegivenbytheheadmasterthisafternoon.情態(tài)動詞的被動語態(tài)Amy

cantakegoodcareof

Gina

．主謂賓GinacanbetakengoodcareofbyAmy結(jié)構(gòu)：S+情態(tài)動詞+be+過去分詞can/may/must/need/would/should/would/could/might...情態(tài)動詞的被動語態(tài)練習

Hecantakecareofthebaby.Thebabycanbetakencareofbyhim.Lucymaydrawthepictures.ThepicturemaybedrawnbyLucy.Youmustturnoffthelights.Thelightsmustbeturnedoffbyyou.現(xiàn)在進行時被動語態(tài)Someworkers

arepainting

theroomsnow．主謂賓Theroomsarebeingpaintedbysomeworkersnow.結(jié)構(gòu)：S+am/is/are+being+過去分詞過去進行時被動語態(tài)I

wasdoing

myhomeworkat8:00lastnight．主謂賓Myhomeworkwasbeingdonebymeat8:00lastnight．結(jié)構(gòu)：S+was/were+being+過去分詞現(xiàn)在完成時被動語態(tài)We

havemade

twentymorekeys．主謂語賓Twentymorekeyshavebeenmadebyus結(jié)構(gòu)：S+have/has+been+過去分詞被動語態(tài)特殊情況Thestudentslistento

theteachercarefullyinclass.Theteacherislistenedtocarefullybythestudentsinclass.Theylookafterthenewstudentsintheschool.Thenewstudentsarelookedafterbythemintheschool.1.不及物動詞帶介詞或介詞賓語時，在變被動語態(tài)時仍要帶上介詞被動語態(tài)特殊情況

Theymakeusdoallthework.Wearemadetodoalltheworkbythem.Weoftenhearhersingsongs.Sheisoftenheardtosingsongsbyus.2.使役動詞let/make/have,感官動詞see/watch/feel/hear/notice等在主動語態(tài)中省略to，在被動語態(tài)中加上to被動語態(tài)特殊情況Hegivesmeaflowereveryday.被動1Iamgivenaflowerbyhimeveryday.被動2Aflowerisgiventomebyhimeveryday.Mymotherboughtmeacomputer.被動1Iwasboughtacomputerbymymother.被動2Acomputerwasboughtformebymymother.當動詞帶雙賓時（一個指人的賓語，一個指物的賓語）