英语被动语态讲解(总5页)
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一、被动语态的构成形式
1.被动语态的基本时态变化
被动语态通常为十种时态的被动形式,被动语态由be+过去分词构成,be随时态的变化而变
化。以do为例,各种时态的被动语态形式为:1)am/is/are+done(过去分词)一般现在时
例visitorsarerequestednottotouchtheexhibits.
2)has/havebeendone现在完成时例allthepreparationsforthetaskhave
beencompleted,andwe'rereadytostart.3)am/is/arebeingdone现在进行时
例anewcinemaisbeingbuilthere.4)was/weredone一般过去时例iwasgiven
tenminutestodecidewhetheri
shouldrejecttheoffer.5)hadbeendone过去完成时例bytheendoflastyear,
anothernew
gymnasiumhadbeencompletedinbeijing.6)was/werebeingdone过去进行时例a
meetingwasbeingheldwheniwasthere.7)shall/willbedone
begoingtobedone
beabouttobedone/betobedone一般将来时例hundredsofjobswillbelostifthe
factory
clos.
8)shouldwouldbedone
wasweregoingtobedone
waswereabouttobedone
2.被动语态的特殊结构形式
1)带情态动词的被动结构。其形式为:情态动词+be+过去分词。例thebabyshouldbe
takengoodcareof
bythebaby-sitter.2)有些动词可以有两个宾语,在用于被动结构时,可以把主动结构中
的一个宾语变为主语,另一宾语仍然保留在谓语后面。通常变为主语的是间接宾语。例his
mothergavehimaprentforhis
birthday.可改为hewasgivenaprent
byhismotherforhisbirthday.3)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someonecaughttheboysmokinga
ciggarette.可改为theboywascaughtsmokingacigarette.4)在使役动词have,make,let
以及感官动词e,watch,notice,hear,feel,obrve等后面不定式作宾语补语时,在主动
结构中不定式to要省略,但变为被动结构时,要加to。例someonesawastrangerwalk
intothe
building.可改为astrangerwasentowalk
3
intothebuilding.
5)有些相当于及物动词的动词词组,如“动词+介词”,“动词+副词”等,也可以用于被
动结构,但要把它们看作一个整体,不能分开。其中的介词或副词也不能省略。
例themeetingistobeputofftillFriday.
3.非谓语动词的被动语态
v.+ing形式及不定式todo也有被动语态(一般时态和完成时态)。
例idon'tlikebeinglaughedatinthepublic.
二、itissaidthat+从句及其他类似句型一些表示“据说”或“相信”的动词如
believe,consider,expect,report,say,
suppo,think等
可以用于句型“it+be+过去分词+that从句”
或“主语+be+过去分词+todosth.”。有:itissaidthat…据说,itisreported
that…据报道,itisbelievedthat…大家相信,itis
hopedthat…大家希望,itiswellknown
that…众所周知,itisthoughtthat…大家认为,itissuggestedthat…据建议。例
itissaidthattheboyhaspasdthe
nationalexam.
(=theboyissaidtohavepasdthe
nationalexam.)
三、被动语态与系表结构的区别当“be+过去分词”作被动语态时表示主语承受的动作;作
系表结构时表示主语的特点或所处的状态时,be后面的过去分词是表语,相当于形容词。其区分
办法如下:1.如果强调动作或句中有介词by引导出动作的执行者,该句一般为被动语态,
否则为系表结构。例theglassisbroken.(系表结构)theglasswasbrokenby
theboy.(被动语态)2.如果句中有地点、频率或时间状语时,一般为被动语态。例
thedoorislocked.(系表结构)thedoorhasalready/justbeenlocked.(被动语
态)3.被动语态除用于一般时态和完成时态外,还可以用于其他各种时态,而系表结构中的
系动词be只有一般时态和完成时态。例themachineisbeingrepaired.
被动语态基础练习选择题
_____,
to
paint
vedinbeijing,wherehe_____c.
_____n
takesintheexercis
will_____
4
herandihave__________
_______o
__o
todoing8._____chaplin.a.
thechild'ld'
rtsmeeting____.
alizedshe_________ingfunofb.
ngmadefun11.______tosayathing
consideredit'redthatthe
books_______tedd.
ry______
_____ngtob.
_______byhisteacher.a.
penedto
hanges_____en
takenplace,kenplace,en
takenplace,kenplace,l's____but
it'snotyet____hed,nished,been
inished,,hallisthe
tallestbuildinginthistown._____een
aswegottotheairport,wefoundthatthe
plane_____.eadytaking
thehotelsinmyhometown_________.a.
nois____fromincreasing,people____shouttobeheard
evenatdinner.kept;kept;
keep;eep;thgenerationcomputers,with
artificialintelligence,are____veloped
vebeendeveloped23.---____thesportsmeet
mightbeputoff.---yes,italldependsontheweather.a.i'vebeentold
b.i'vetoldc.i'nemorestampbeforemycollection
___.leted25.
rainforests___andburnedatsuchaspeedthattheywilldisappearfromtheearthin
5
suspensionbridge___n
encilispartlyinaglass
ofwater,itlooksasifit____.
hanges___inthecity,andalotoffactories___.
beentakenplace;kenplace;
takenplace;kenplace;it__over60
30.---look!everything
hereisunderconstruction.---what'stheprettysmallhouthat__
ding31.---doyoulikethe
material---yes,it___
fficultforaforeigner____chine.ec.
omoreletters____,thankyou.
re!don'tdroptheinkonyourshirt,
forit__'''twashedout
'noticedthethiefslipintothehoubecauthe
lightshappenedto___.36.
thecomputersonthetable___ongedtoc.
to37.---whatdoyouthinkofthebook---oh,'s
worth___ead38.
thesquirrelwasluckythatitjustmisd___.ughtc.
geneeded___heckedb.
ecked40.___manytimes,theboystilldidn'tknow
d.
teaching
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