被动语态
注：被动语态结构：be过去分词PPby…
在改写中应注意：1把原来的宾语提到前面作被动语态的主语2把动词变成“be过去分词”3主动语态中的主语变为介词by的宾语。
时态
被动语态结构
一般现在时
amisaredo
e
一般过去时
wasweredo
e
现在进行时
amisarebei
gdo
e
过去进行时一般将来时过去将来时
waswerebei
gdo
eshallwillbegoi
gtobedo
ewouldbedo
e
现在完成时
havehasbee
do
e
过去完成时
hadbee
do
e
EgSomepeopleattackedthetowers
S
V
O
Thetowerswereattackedbysomepeople
S
V
O
几种特殊结构
1seewatchhear
oticefeelmakeliste
tolookat等动词短语后作宾语补语的不定式都不带to；但改成被动语态后
必须带to。
EgWeofte
hearhimplayguitar．Heisofte
heardtoplayguitar
2短语动词变被动不可省略介词或副词。
Eg：WeshouldtakecareoftheoldpeopleTheoldpeopleshouldbetake
careof
Exercise1
1Newspapersaremade__paperPaperismade__wood
Afromof
BoffromCofi

Di
from
2Alotof
ewroads___builti
thewestofChi
a
Amust
BmustbeChas
Dhave
3Thisdictio
arymust
’t____fromthelibrary
AtakeawayBtake
awayCaretake
awayDbetake
away
4Myshoes____Iwe
toutfora
ewpair
Aiswor
outBworeoutCwerewor
offDwerewor
out
5Hiscar___tomorrow
AwillberepairedBisrepairedCisbei
grepairedDhasbee
repaired
6Whe
yourhomework____wewillgotoplayfootball
Aisdo
e
Baredo
eChaddo
eDwillbedo
e
7Heaskedme_______
Awhatthepaperisused
Bwhatthepaperwasusedfor
CwhatwasthepapermadeofDwhat’sthepaperusedas
8Threefourthsofthei
formatio
o
thei
ter
et___i
E
glish
AamBisCareDbe
10Thispairofscissors___i
Chi
a
AMake
BmadeCismadeDaremade
13They___tohelpthefarmerswiththeharvestlastautum

Aasked
Baski
gCtoask
Dwereasked
16Mary___someso
gsi
herroomi
themor
i
g
Aheardsi
gBheardtosi
gCwasheardsi
gDisheardtosi
g
f18Theguidesaidthatthedi
osaureggs____about95millio
yearsago
Alay
BwerelayClaidDwerelaid
19Wefou
dthegrou
d____s
ow
Acoverwith
BiscoveredwithCwascoveredwithDwascoveri
gwith
21Weca
fi
dma
ypictures____byXuBeiho
gi
themuseum
Adrawi
gBdraw
Cdrew
Dtodraw
22Havethesewords_____byusyesterday
bee
lear
tBlear
tClear
ed
Dwerelear
t
23Haveyouheardofadi
osaur_____feathers
AwascoveredbyBwascoveredwithCcoveredwithDcoveredby
24About500cars___i
thefactory
extmo
th
AwereproducedBwillbeproducedCwillbemadeDhavebee
produced
25She______for10years
Ahasbee
marryBhasmarriedCr