春季12八年级英语基础版状语从句学生版文档格式.docx
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春季12八年级英语基础版状语从句学生版文档格式.docx
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①主句+从属连词+从句
MumwascookinginthekitchenwhenIgothome.
②从属连词+从句+逗号(,)+主句
WhenIgothome,mumwascookinginthekitchen.
Ⅰ.状语从句分类
状语
从句
类别
连接词
1
条件
Youcannotsucceedunlessyouworkhard.
2
时间
MarywasreadingwhenIleft.
3
原因
Let’sstayinside,forit’sraininghardoutside.
4
目的
SpeakmoreloudlysothatIcouldhearyou.
5
结果
Hegotupsolatethathemissedthefirstclass.
6
让步
Althoughyouworkveryhard,youmakeveryslowprogress
7
比较
Icanplaybasketballaswellasyoudo.
8
*地点
Wherethereisawill,thereisaway.
1.时间状语从句
从属连词
常用时态
例句
when
主(将)从(现)
IwillcallyouwhenIgethomesafely.
主(过进)从(过)
Manypeopleweresleepingwhentheearthquakehappened.
主(过)从(过)
Hewashappywhenheheardthegoodnews.
主(现)从(现)
Wemustbecarefulwhenwecrosstheroad.
主(过完)从(过)
ThecarhadgoneawaywhenIarrivedatthestation.
while/as
主(进)从(进)
ShewassingingwhileIwasdancing.
assoonas
IsawhimassoonasIenteredtheroom.
before
ItwillbeoneweekbeforetheytraveltotheUK.
Thefilmhadbeenonbeforewegotthere.
after
IwillvisitmygrandparentsafterIfinishthework.
主(过)从(过完)
Theywenthomeaftertheyhadcleanedtheroom.
since
主(现完)从(过)
HehaslivedheresincehecametoShanghai.
until
Shewon’tgohomeuntilshefinishesherwork.
Shewaiteduntilthebuscameatlast.
2.条件状语从句
if
Wewillhaveapicnicifitisfinetomorrow.
unless
Hewon’tpasstheexamunlesshestudieshard.
常见句型转换题:
If...not=unless,在句型转换题中,if(如果)常常和unless(除非)and(那么)或or(否则)互换。
Ifyoudon’tgetupearly,youwillfailtocatchthebus.(保持句意不变)
=Youwon’tcatchthebusunlessyougetupearly.
=Youshouldgetupearly,oryouwillmissthebus.
=Getupearly,andyoumay/willcatchthebus.
3.原因状语从句
because
Shedidn’tgotoschoolyesterdaybecauseshewasill.
as
Asitwaslate,wehadtostayinsidethehouse.
since/nowthat
Since/Nowthateveryoneishere,let’sbeginthemeeting.
because和so不能用于同一句子中,because表示原因未知,语气最强回答why的提问。
because
引导的从句可与becauseof引导的简单句互换。
as语气最弱,常常用于口语中,since和nowthat(既然)表示已知的原因,一般放在主句之前。
Shedidn’tgotoseethemoviebecausetheweatherwasbad.
=Shedidn’tgotoseethemoviebecauseofthebadweather.
Thesportsmeetingwasputoffbecausetheweatherwasbad.
=Thesportsmeetingwasputoffbecauseofthebadweather.
4.目的状语从句
sothat/
inorderthat
Hewalkedquicklysothathecouldgetthereontime.
Hestudieshardsothathecanpasstheexameasily.
Iwillspeakmoreslowlysothatyoucanhearmeclearly.
sothat+从句=inorderthat+从句常与inorderto和soasto+短语互换,目的状语从句常常会和情态动词can,may,will,could,might,would等连用
=Hewalkedquicklyinorderthathecouldgetthereontime.
=Hewalkedquicklyinordertogetthereontime.
=Hewalkedquicklysoastogetthereontime.
5.结果状语从句
so...that
Theboywassoyoungthathecan’tgotoschool.
Heworkedsohardthathegotthefirstprize.
So...that(如此.......以至于)在句型转换中常常会和enoughtodo或者too...to互换,结果状语状语从句常常会和情态动词can,may,will,could,might,would等连用。
Theboyissoyoungthathecan’tgotoschool.(保持句子基本意思不变)
=Theboyistooyoungtogotoschool
=Theboyisnotoldenoughtogotoschool
6.让步状语从句
though/although
Heworkshardthoughheisnotverywell.
Althoughhewasill,hestillwenttowork.
解析:
although和though不和but连用,although放在句首,though位子不定。
在句型转换中,although/though常常和but互换。
如果是连续性动词可以用进行时表示。
Althoughitwasverylate,hewasstilldoinghishomework.(保持句子的基本意思不变)
=Itwasverylate,buthewasstilldoinghishomework.
7.比较状语从句
as...as
Thebusdoesn’tgoasfastasthetrain(does).
than
MaryistallerthanKate(is).
the+比较级+S+V;
the+比较级+S+V
主(现/将)从(现)
Theharderyouwork,thegreaterprogressyou(will)make.
as+adj./adv.原级+as的否定形式为notas/so+adj./adv.原级+as.比较状语从句中,从句的谓语常常省略。
notas/so...as在句型转换中常常和than互换;
than在句型转换中常常与最高级转换。
Mybikeisnotasexpensiveashis.(保持句子的基本意思不变)
=Hisbikeismoreexpensivethanmine.
Tomrunsmorequicklythananyotherstudentinourschool.(保持句子的基本意思不变)
=Tomrunsmostquicklyinourschool.
I.Choosethebestanswer.(错误率:
掌握情况:
)
1.Youarenotallowedtoenterthetheatre______youhaveaticket.(16一模普陀)
A.becauseB.whenC.ifD.unless
2.Wedo
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- 春季 12 年级 英语 基础 状语 从句 学生