Unit2UsingLanguage课件-高中英语外研版选择性必修第四册

Usinglanguage

P17

新外研选择性必修Book4

Unit2LessonsinlifeA:Thebirdiseatingworms.B:Howcanyouchangethesentenceintopassivevoice?A:Wormsarebeingeatenbythebird!Lookatthedialogueandcompletethesentences.Lead-in1.Thecar_________________.汽车正在修理。2.Theearlyworm___________byabird.早起的虫被鸟吃。3.He______________manytimestobehavehimself.他多次被告知要守规矩。

isbeingrepairedwaseatenhasbeentoldPassiveVoice被动语态Summary一.定义：被动语态是动词的一种特殊形式，用以说明主语和谓语动词之间的关系，表示主语是动作的承受者。一般情况下，只有需要动作对象的及物动词才有被动语态。二.构成：助动词be+及物动词的过去分词TheactivevoiceindifferenttensesThepassivevoiceindifferenttenses...do...did...willdo...bedoing...verb(modal)do...have/hasdone...haddone...willhavedone...be(is/am/are)done...be(was/were)done...willbedone...bebeingdone...verb(modal)bedone...have/hasbeendone...hadbeendone...willhavebeendone三.主动语态到被动语态的转换四.主动语态变被动语态的注意事项1.时态保持一致例句:Theteacherhaspunishedhimmanytimesforhislateness.Hehasbeenpunishedmanytimesforhislateness.2.谓语为动词短语的被动语态不能丢掉动词短语的介词或副词。例句：Hisbestfriendoftenlooksafterhim.Heisoftenlookedafterbyhisbestfriend.3.主动语态中若有双宾语，将其中一个宾语变为被动句的主语，另一个宾语不变。例句：Viviangavemeabook.Iwasgiven

abookbyVivian.AbookwasgiventomebyVivian.4.主动语态若有复合宾语，将主动句的宾语变为被动句的主语，宾语补足语不变。例句：TheycallhimLouis.HeiscalledLouis.5.主动语态句中有make,have,let,notice,see,watch,lookat等动词时，变成被动语态时，后面的不定式需要加上to。例句：MrLeemadehimwashthedishes.HewasmadetowashthedishesbyMrLee.6.有些动词（短语）不能用于被动语态，takeplace/happen/cometrue/breakdown...例句：Allyourdreamswillcometrueifyoutryyourbest.1.John___________(elect)presidentoftheclass.2.Smoking_______________(notallow)inpublicplacesinChina.3.Oh,mygod!Ourhouse_______________(break)intolastnight.Lookatthefootprintsonthefloor.4.Theycangohomeassoonasthehomework_____________(finish).5.ThereasonwhyIhaven’tmovedintothenewflatisthatit_________________(repair).随堂练waselectedisn’tallowedwasbrokenisfinishedisbeingrepairedLookatthesentencesfromthereadingpassageandmatchthemtothereasonswhythepassivevoiceisused.a.OndiscoveringthatMorrieisbeingweakenedbyaseverillness,...2.Thefocusofthesentenceisontherecipientoftheaction,notonthesubjectofthesentence.1Practiceb....TuesdayswithMorrieisjustmadeupofacollectionofover-emotionalthoughtsandmessages,...3.Thesubjectgoeswithlengthyexpressionsthatarebetterputattheend.c.Aboxoftissueswillbeneededtogetthroughthisbook!1.Thesubjectisnotknown,isunimportant,oris“peopleingeneral”andcanbeomitted.Rewritetheparagraphusingthepassivevoicewhereappropriate.Sinceancienttimes,storytellinghasbeenawaytoshareandpassonwisdom.OneimportantearlyworkthatdidsowasAesop’sFables,1.acollectionofstoriesthathistorycreditstoAesop,aGreekstoryteller.2.

PeoplebelievethathelivedinAncientGreecebetween620BCand564BC.Mostofthecharactersinhisstoriesareanimals,3.

thequalitiesofwhichAesopusedtoreflecthumantraitsandwisdom.4.

EachfableteachesalifelessonthatAesopsummarisesinashortphraseattheendofthestory,calledamoral.5.

Today,childrenandadultsallaroundtheworldstillenjoyAesop’sFables.2Rewrite:Sinceancienttimes,storytellinghasbeenawaytoshareandpassonwisdom.OneimportantearlyworkthatdidsowasAesop’sFables,1.

acollectionofstoriesthatiscreditedtoAesop,aGreekstoryteller.2.

ItisbelievedthatAesoplivedinAncientGreecebetween620BCand564BC.Mostofthecharactersinhisstoriesareanimals,3.

thequalitiesofwhichwereusedtoreflecthumantraitsandwisdombyAesop.4.

Eachfableteachesalifelessonthatissummarisedinashortphraseattheendofthestory,calledamoral.5.

Today,Aesop’sFablesisstillenjoyedbychildrenandadultsallaroundtheworld.LookatthepicturesandwritethestoryfromAesop’sFables.Usethepassivevoicewhereappropriate.

13Onedayalittlemousewascaughtbyalion.Thelionwantedtoeatthemouse,butthemousesaidthathewouldhelpthelionsomeday,ifhewaslettogo.2Thelionthought,“Howcanagreatanimalbehelpedbyalittleanimal?”Butthemousewasallowedtoleave.3Severaldayslater,thelionwascaughtbyahunter’snet.Themousebitthenetwithhisstrongteethandhelpedthelionout.4Thankstothelittlemouse,thelionwassavedandfi