1、根据主动句中涵盖句子成分决定,一般被动谓语表达完整加by,若还有地点、时间等状语,可随by+介宾之后,这样看起来by在句中Eg:Thegiftwasboughtbyhisgirlfriend.

　　ThegiftwasboughtbyhisgirlfriendinthegreatmallinShijiazhuangyesterday.对比以上两句话您会找到原因.

　　被动语态专项练习：

　　选择填空.

　　1.Insomecountries,tea______withmilkandsugar.

　　A.isservingB.isserved

　　C.servesD.served

　　2.Greatchanges_____inmyhometownsince1980.

　　A.havebeentakenplaceB.tookplace

　　C.havetakenplaceD.weretakenplace

　　3.Thenewtypeofcarisgoingto______inthreeyears.

　　A.turnoutB.beturnedout

　　C.hasturnedoutD.havebeenturnedout

　　4.Thewomanmurderedherfriendand______to______.

　　A.wassentenced,deathB.sentencing,die

　　C.sentenced,deathD.sentenced,die

　　5.－Doyouliketheskirt?

　　－It_______soft.

　　A.isfeelingB.feltC.feelsD.isfelt

　　6.Areyoustillhere?Youwerehereanhourago.Who________for?

　　A.areyouwaitingB.didyouwait

　　C.wereyouwaitingD.doyouwait

　　7._____toknowProfessorZhang.

　　A.HesaidB.Isaid

　　C.HeissaidD.Itsays

　　8.－Iwanttositatthetablenearthewindow.

　　－Sorry,______already.

　　A.ittookB.ittakes

　　C.itistakingD.ithasbeentaken

　　9.Theletter_______threedaysagoandit______yesterday.

　　A.hadpost,hadarrived

　　B.wasposted,arrived

　　C.posted,arrived

　　D.hadbeenposted,wasarrived

　　10.Hetoldmethatthefinalexamination_______nextThursday.

　　A.isgivenB.willbegiven

　　C.wouldhavegivenD.wouldbegiven

　　11.Water______intoice.

　　A.willchangedB.mustbechanged

　　C.shouldchangeD.canbechanged

　　12.Plays______twiceamonthinthattheatre.

　　A.putonB.areputon

　　C.wasputonD.oftenputon

　　13.Thebirds_______flyawaylastSaturday.

　　A.lettoB.isletto

　　C.wasletD.wereletto

　　14.Astrangesound______yesterdayevening.

　　A.washeardB.hears

　　C.heardD.isheard

　　15.Abeautifulbike_______himbyhisclassmates.

　　A.senttoB.willsentto

　　C.wassenttoD.willbesentfor

　　16.MissChen______just______tospeakatthemeeting.

　　A.has…beenaskedB.hasbeen…asked

　　C.Havebeen…askedD.have…beenasked

　　17.Meat_______outinthisshop.Wecan_________now.

　　A.havebeensold,getnothingB.hasbeensold,getnothing

　　C.hasbeensold,getsomeD.havebeensold,getsome

　　18.Thenewplay_______intheatrenow.Whydon’tyougoinandseeit?

　　A.isbeingshownB.isshowing

　　C.isshownD.shows

　　19.Canyoutell_______

　　A.whendidithappenB.whenwasithappened

　　C.whenithappenedD.whenitwashappened

　　20.______thejob______byLucyorbyJohnTellmethetruth,please.

　　A.Has…finishedB.Has…beingfinished

　　C.Is…finishD.Has…beenfinished

　　二.用所给动词的适当时态和语态填空

　　1.When_____thefirstman-madesatellite_______（send）upintospace?

　　2.Lastyearvegetables______（grow）inthegardenbyTomandhe______

　　（sell）themhimself.

　　3.She______（he