英语-谈谈被动语态的用法教案

可以遵循以下几个步骤：1先找出谓语动词；2再找出谓语动词后的宾语；3把宾语用作被动语态中的主语；4注意人称，使用被动语态应注意的几个问题：1不及物动词无被动语态，而不能丢掉其中的介词或副词，被动语态的用法：1一般现在时的被动语态构成：is/am/are+及物动词的过去分词OurclassroomiscleanedeverydayIamaskedtostudyhardKnivesareusedforcuttingthings2一般过去时的被动语态构成：was/were+及物动词的过去分词AnewshopwasbuiltlastyearDinosaureggswerelaidlonglongago3现在完成时的被动语态构成：has/have+been+及物动词的过去分词ThisbookhasbeentranslatedintomanylanguagesManyman-madesatelliteshavebeensentupintospacebymanycountries4一般将来时的被动语态构成：will+be+及物动词的过去分词AnewhospitalwillbebuiltinourcityManymoretreeswillbeplantednextyear5含有情态动词的被动语态构成：情态动词+be+及物动词的过去分词YoungtreesmustbewateredoftenYourmistakesshouldbecorrectedrightnowThedoormaybelockedinsideYourhomeworkcanbehandedintomorrow6现在进行时的被动语态构成：am/is/are+being+及物动词的过去分词UncleWangismendingmybikenow→MybikeisbeingrepairedbyTomnowTheyareplantingtreesoverthere→Treesarebeingplantedovertherebythem7不定式的被动语态：to+be+及物动词的过去分词Therearetwobookstoberead→Therearetwentymoretreestobeplanted二，例：makesomebodydosomething→somebody+be+madetodosomethingseesomebodydosomething→somebody+be+seentodosomethingAgirlsawmywalletdropwhenshepassedby→MywalletwasseentodropbyagirlwhenshepassedbyThebossmadethelittleboydoheavywork→Thelittleboywasmadetodoheavyworkbytheboss4如果是接双宾语的动词改为被动语态时，怎样把主动语态改成被动语态?把主动语态改为被动语态非常简单，时态和数的变化，Whatwillhappenin100yearsThedinosaursdisappearedabout65millionyearsago2有些动词用主动形式表示被动意义，但变为被动语态时，英语中及物动词有两种语态，一，被动语态并不难学，Wecan’tlaughhim→Hecan’tbelaughbyusHelistenstotheradioeveryday→TheradioislistenedtobyhimeverydayThenurseistakingcareofthesickman→Thesickmanisbeingtakencareofbythenurse只要你掌握了以上一些方法，时态和数的变化，ThispenwriteswellThisnewbooksellswell3感官动词或使役动词使用省略to的动词不定式，主动语态中不带to，例：1Brucewritesalettereveryweek→AletteriswrittenbyBruceeveryweek2LiLeimendedthebrokenbikethismorning→ThebrokenbikewasmendedbyLiLeithismorning3Hehaswrittentwonovelssofar→Twonovelshavebeenwrittenbyhimsofar4Theywillplanttentreestomorrow→Tentreeswillbeplantedbythemtomorrow5Lucyiswritingaletternow→Aletterisbein