主动语态与被动语态一.概念:主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。二.被动语态的构成:助动词be+及物动词的过去分词三.被动语态的时态:以为work例:一般现在时:am/is/are+worked一般过去时:was/were+worked一般将来时:shall/will+be+worked过去将来时:should/would+worked现在进行时:am/is/are+being+worked过去进行时:was/were+being+worked7.过去进行时:was/were+being+worked8.现在完成时:have/has+been+worked9.过去完成时:had+been+worked10.将来完成时:shall/will+havebeen+worked11.过去将来完成时:should/would+havebeen+worked12.情态动词(can/may/must/shouldetc.)+be+动词的过去分词四.用法:当我们不知道谁是动作的执行者或者没有必要指出谁是动作的执行者时或者只需强调动作的承受者时,要用被动语态。五.方法:主动语态)(被动语态)六.注意以下问题:A.带有双宾语的动词变为被动语态时,可以把其中一个宾语变为被动语态的主语,若将直接宾语(sth.)变为主语,须根据习惯在原间接宾语前加上介词to或for用to的常见词有:give,show,send,lend,pass,pay,teach,throw,take,bringetc.用for的常见词有:make,choose,sing,play,draw,save,buy,get,leave,cooketc.HewasgivensomebooksbyMary.B.带复合宾语(宾语+宾语补足语)的动词变为被动语态时,只能将宾语变为被动语态的主语,宾语补足语不可变为主语。Iwasaskedtocomehere(byhim)在see,let,make,hear,watchetc.动词之后,作宾语补足语的动词不定式不带to,但在变为被动语态时,则一定要加上to。sawthemplayfootballjustnow.2.WeoftenhearhersinginEnglish.D.在某些“不及物动词+介词/副词”(相当于及物物动词)的句子中,变被动语态时,注意不要丢掉介词/副词。eg.E.当“动词+宾语+宾语补足语”结构变为被动语态时,将宾语变为被动结构中的主语,其余不动。例Someonecaughttheboysmokingacigarette.可改为Theboywascaughtsmokingacigarette.F.need表示需要时,后面常接doing形式表示被动意义,相当于tobedone.Allthecomputersneedrepairing.=Allthecomputersneed_______________.被动语态专项练习1.AlargenumberofpeoplespeakFrenchinParis.French______________alargenumberofpeopleinParis.2.TheyproducesilkinSuzhou.Silk__________________inSuzhou.3.Doeshecleantheroomeveryday?______theroom__________________everyday?4.Weoftensingthissong.____________________________________________.5.Doeshecleantheroomeveryday?______theroom__________________everyday?6.Didhepaintthewindowred?______thewindow______________________?7.Mycousinrepairedthebrokenwatch.Thebrokenwatch______________mycousin.8.Theybuiltabridgebetweenthetwoislandslastyear.Abridge________________betweenthetwoislandslastyear.9.Wheredidtheyplanttrees?Where_________trees_________?10.Hebrokehisleginthematch.________________________.11.Wewillgiveabirthdaypartytomorrow.___________________________________________.12.Shewillsellherhousesoon.___________________________________________.13.Wewillbuildanewlibrarythisyear.Anewlibrary____________________by_______thisyear.14.PeoplearestillcuttingdowntoomanytreesintheUSA.______________________________________________________.15.Heisrepairingthemachine.___________________________________________.16.Aretheyteachingforeignlanguagesthere?______foreignlanguages________________there?17.Areyougoingtomakeanewplane?____anewplane_____________________?18.Hehasfinishedhiswork.________________________________________.19.Havetheyfinishedthenewproject?______thenewproject_____________by______?20.Weshouldplantthetreesaroundthelake.21.Youcanborrowtwobooksatatime.Twobooks___________________________atatime.22.Wecallmathsthelanguageofscience.Maths__________________thelanguageofscience.23.Theteachermadethestudentscopythetext.Thestudents___________________________copythetext.24.SomeonesawJohncrossthestreetjustnow.John___________________________thestreetjustnowbysomeone.25.ThebossmadetheworkersworkalldayTheworkers____________workalldaybytheboss.26.HegavemeabookI____________abookbyhim.Abook_____________mebyhim.27.Mymothermademeacake.I_________acakebymymotherAcake____________mebymymother.28.IheardTomsingingjustnowTom_______________bymejustnow.29.Weshouldtakecareoftheold.Theoldshould_____________________.30.Myauntboughtmeapresentonmybirthday.