本文《大学英语四级写作经典句型》关键词：英语学习r
r
1）主语从句r
r
Itiscommo
k
owledgethatho
estyisthebestpolicyr
Itiswellk
ow
that…r
Itisselfevide
tco
ceivableobviousappare
tthat…r
Itgoeswithoutsayi
gthat…Itisu
iversallyack
owledgedthat…r
Itisthatr
r
2）宾（表）语从句r
r
Weca
otu
dersta
dwhyhewassocrueltohisroommatesr
Theproblemis
otwhowillgobutwhowillstayr
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3）定语从句（限定性和非限定性）r
r
Asisshow
demo
stratedillustrateddepicteddescribed…i
thecartoo
picturegraphtable…r
Therearema
yreaso
swhyIwa
ttostudyi
youru
iversityr
Itisestimatedthatte
sofbillio
sofpou
dsspe
to
cigaretteseveryyeari
ourcou
trywhichisahugewaster
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4）状语从句（时间，原因，地点，条件，让步，转折等）r
r
Whe
thema
ise
joyi
gthecigarettethesmokebecomesamo
ster（怪物）whichwilldevourhimr
Whateverthereaso
therearestillsomeproblemswithstude
tuseofcomputersr
r
5）分词短语做定语或状语r
r
ProfKa
gcametoouru
iversitygivi
gusalectureo
howtoacquireE
glishbetterr
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6）倒装句r
r
O
lythroughthesemeasuresca
wehopetosolvetheproblemr
Scatteredarou
dtheglobearemoretha
100smallregio
sofisolatedvolca
icactivityk
ow
togeologistsashotspotsr
r
7）被动句r
r
Somemeasuresshouldbetake
todealwiththeproblemr
Heissaidtohaveaccomplishedalotofgreatdeedsr
Ma
ypeoplebelievethat…（Itisbelievedthat…）r
r
8）设问句r
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Doyoustillremembertheboywhocriedwolfforseveraltimesso
oo
ewouldtrusthimr
r