初中九年級英語課件被動語態(tài)“十市聯賽”一等獎

Unit3

被動語態(tài)被動語態(tài)的構成:Baby,down!(被:bedone)be的各個時態(tài)？一般將來時：過去將來時：shall/willbe

am/is/aregoingtobewould/shouldbewas/weregoingtobedoneplanttreesThetreeswillbeplantednextyear.Hesaidthattreeswouldbeplantednextyear.現在完成時：過去完成時：have/hasbeen

hadbeen

finishhomeworkHerhomeworkhasbeenfinishedalready.Shesaidthatherhomeworkhadbeenfinishedalready.1)過去完成時的用法：過去完成時表示在過去某一時間或動作之前已經發(fā)生或完成了的動作。它表示動作發(fā)生的時間是“過去的過去”Marywasbusyyesterday.Shewasworkinginherofficeallevening.HerfriendsRoseandJackcametovisither.Theywerewaitinginherhousethewholeevening.Maryfinishedherworkatlast.Shecamehomeatten.ButRoseandJackhadleftherhousebeforeten.Theydidn’tseeeachother.Whatapity!

2）常用時間狀語：a.by,before（在…之前）等構成的短語；Wehadlearned300Englishwordsbytheendoflastterm.Ihadreachedtheschoolbefore7:45！b.when,before引導的從句；Thetrainhadalreadyleftwhentheygottothestation.Lucyhadfinishedherhomeworkbeforehermothercameback.c.或通過上下文表示Theshopwasquitenew,forithadopenedonlytheweekbefore.Herememberedhehadchosenanewjacket,buthehadn’tpaidforit!(1)“Ihavenevercookamealbefore.”(變成賓語從句)Hesaidthat_________________never_________amealbefore.(2)He____________(arrive)homewhenIgothome.(3)They_____________(come)toherhomebeforeshe__________(telephone)them.(4)Bytheendoflastyear,I________________(be)toWestHillFarmthreetimes.(5)Theysaidthey____________________(see)thisfilmbefore.現在進行時：過去進行時：am/is/arebeingwas/werebeing

rideabikeThebikeisbeingridenbythemnow.Shesaidthatthebikewasbeingridenbythem.練習Anewcinemaisbeingbuiltnow.________________________________.Thenewspaperisbeingreadbymysisteratthepresent.————————————————————.Themovieisbeingwatchednow.________________________________________.它搞不定！Ican'tdoit!①②③Itcan’tbedone(byme)!

它可以被搞定！Icandoit!Itcanbedone(byme)!mustbetakengoodcareof①②③③②①Wemusttakegoodcareofthebaby.Thebaby(byus).Conclusion:

被動語態(tài)的構成：被bedone!(be+動詞的過去分詞)被動語態(tài)：主語和動詞之間是被動關系(can/may/must／could／should…)+

be+doneWhatmustbedoneifsomeonegetssunstroke?_________mustbe__________tohim.Whatshouldbedoneifsomeonegetssunstroke?_________shouldbe__________.Whatcanbedoneifsomeonegetssunstroke?_________canbe__________.canbedone/mustbedone/shouldbedoneThekey_____________(find)beforegoinghome.

mustbefound

shouldbefinished

1.Youmustfindthekeybeforegoinghome.2.Weshouldfinishourhomeworkontime.Ourhomework(finish)ontime.3.Mostofthewastepaper___________(put)touseagain.canbeput情態(tài)動詞的被動語態(tài)

Thiswatchcanberepairedintwodays.Yourbookwillbetakenaway.Thesetreesshouldbeplantedatonce.情態(tài)動詞——aux.v.(must／can／could／may…)+be+v.p.p.Thiswatchcanberepairedintwodays.Thiswatchcannotberepaired….Canthiswatchberepairedintwodays?Yes,itcan.No,itcan’t.顯擺你的強大！Yourhomeworkmust﹙finish﹚ontime.Thebadvegetableshouldnot﹙eat﹚.Yourclothesmay﹙put﹚here.Allofthesemathsexercisesmust﹙finish﹚