被动语态全英文ppt

be动词一共有八种基本形式：动词原形——be第一人称单数现在式——am第三人称单数现在式——is第二人称单、复数和第一、三人称复数现在式——are第一、三人称单数过去式——was第二人称单、复数和第一、三人称复数过去式——were过去分词——been现在分词——being。be动词可以作联系动词或助动词来使用。1. 联系动词。be动词作联系动词时，后面必须跟名词、形容词、副词、不定式、分词、动名词、介宾短语等作表语，否则意思是不完整的。be动词的意思是“是”或“在”，本身并无实际意义。如：My mother is a doctor.我的母亲是一名医生。I'm her mother.我是她的母亲。The girl is very beautiful.这位女孩很漂亮。The boys are away during the morning.男孩在早上就出去了。My work is to prepare dinner.我的工作是准备晚餐。One of my hobbies is making artificial flowers.我的爱好之一是制作人造花。His job is very interesting.他的工作很有趣。The cat is under the table.猫在桌子底下。2. 助动词。be动词作助动词时，后面可以跟现在分词构成进行时，或跟过去分词构成被动语态。My mother is stirring the gravy.我的母亲在搅拌肉汁。While he was having lunch, the phone rang.他在吃午饭时，电话铃响了。Jesus was hanged on the cross.耶稣被钉死在了十字架上了。All of the books in the library are lent for two-week periods.图书馆所有的书都有两周的借期。The problem being discussed is how to use the sixteen tenses of English.正在讨论的问题是如何运用英文中的16种时态。

、语态用：1.般现语态构：is/am/are+及物词词Ourclassroomiscleanedeveryday.Iamaskedtostudyhardbymymother.Knivesareusedforcuttingthings.2.般语态构：was/were+及物词词Anewshopwasbuiltlastyear.Dinosaureggswerelaidlonglongago.3.现完语态构：has/have+been+及物词词Thisbookhasbeentranslatedintomanylanguages.Manyman-madesatelliteshavebeensentupintospacebymanycountries.4.般语态构：will+be+及物词词Anewhospitalwillbebuiltinourcity.Manymoretreeswillbeplantednextyear.5.含情态词语态构：情态词+be+及物词词Youngtreesmustbewateredoften.Yourmistakesshouldbecorrectedrightnow.Thedoormaybelockedinside.Yourhomeworkcanbehandedintomorrow.6.现进行语态构：am/is/are+being+及物词词UncleWangismendingmybikenow.→MybikeisbeingrepairedbyTomnow.Theyareplantingtreesoverthere.→Treesarebeingplantedovertherebythem.7.定式语态：to+be+及物词词Therearetwobookstoberead.→Therearetwentymoretreestobeplanted.二、主语态改语态?主语态改语态非简单遵循几步骤：1.先找谓语词；2.再找谓语词宾语；3.宾语用作语态主语；4.注意称、态数变化例：1.Brucewritesalettereveryweek.→AletteriswrittenbyBruceeveryweek.2.LiLeimendedthebrokenbikethismorning.→ThebrokenbikewasmendedbyLiLeithismorning.3.Hehaswrittentwonovelssofar.→Twonovelshavebeenwrittenbyhimsofar.4.Theywillplanttentreestomorrow.→Tentreeswillbeplantedbythemtomorrow.5.Lucyiswritingaletternow.→AletterisbeingwrittenbyLucynow.6.Youmustlockthedoorwhenyouleave.→thedoormustbelockedwhenyouleave.三、使用语态应注意几问题：1.及物词语态Whatwillhappenin100years.Thedinosaursdisappearedabout65millionyearsago.2.些词用主形式表示意义Thispenwriteswell.Thisnewbooksellswell.3.官词或使役词使用省略to词定式主语态带to变语态须加to例：makesomebodydosomething→somebody+be+madetodosomethingseesomebodydosomething→somebody+be+seentodosomethingAgirlsawmywalletdropwhenshepassedby.→Mywalletwasseentodropbyagirlwhenshepassedby.Thebossmadethelittleboydoheavywork.→Thelittleboywasmadetodoheavyworkbytheboss.4.接双宾语词改语态直接宾语(物)作主语词要用介词介词由与其搭配词决定Hegavemeabook.→Abookwasgiventomebyhim.Heshowedmeaticket.→Aticketwasshowntomebyhim.Myfatherboughtmeanewbike.→Anewbikewasboughtformebymyfather.5.些词短语用于语态词短语应看作整体能丢掉其介词或副词Wecan’tlaughhim.→Hecan’tbelaughbyus.Helistenstotheradioeveryday.→Theradioislistenedtobyhimeveryday.Thenurseistakingcareofthesickman.→Thesickmanisbeingtakencareofbythenurse.