状语从句知识点整理Word下载.docx
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即:
通常在表示当”时,while的从句为进行时或系表,动作为延续性的。
As表示一边…一边…
而when在没有特殊情况下时可以替代while和as。
考点二Since引导时间状语从句
Since引导通常用完成时
注:
①Itis/hasbeen+—段时间since+过去时
EgItis6yearssinceIleft.
②当since后的动词为延续性动词,要翻译成对应的反义词
Itis4yearssinceIsmoked戒烟对比:
It'
s6yearssinceIleft
Itis6yearssinceIlivedhere.考点三:
关于before注意下列的几个特殊句型:
Itwillbe+—段时间+before+现在时还要过多久…才”
Itwas+—段时间+before过去时.过…才”
Itis+—段时间+since+过去时
Ithasbeen+—段时间+since+寸去时
Itis/was+时亥U+when+句子(即以when弓丨导的定语从句)
1.Itwillbeyearswemeetagain.
A.whenB.thatC.beforeD.since
2.ItistenyearsIcametothistown.
3.ItistenyearsagoIcametothistown
4・Itwas1986hisfirstnovelcameout.
考点四not…until
1主将从现
Hewon'
tgotobeduntildomeback
2倒装
NotuntilIcomebackwillhegotobed.
3强调句
ItisnotuntilIcomebackthathewillgotobed.
考点五特殊的时间状语引导词
①表示时间的名词:
themoment/minute/day/
instant;
bythetime(过夫、将来完成时)
each/every/nexttime;
thefirst/•…/lasttime;
EgI'
plhoneyouthemomentIarrive.
EverytimeIseehim,he'
sworkinghard.Besuretocallmenexttimeyoucome.
IfeltexcitedthefirsttimeIsawaUFO.
fcomp
ythetimewegraduatefromSeniorHigh,we
willhavebeenherefor3years.BythetimeIcame,hehaddied.
②表示时间的副词引导的状语
immediately;
directly(一…就);
instantlyEgIleftimmediatelythebellrang.
Directlyyoufeelanypains,youmustgotothedoctor.
Pleasegivemeaphonecallinstantlyyouarrive.
考点六时间状语从句中的时态
EgWhenhecomesIwillphoneyou.
IwilltellyouassoonasIknow.Hewon'
tgotobeduntilIamback.
You'
llhavetofinishyourhomeworkbeforeyougoout.
2完成时
I'
velivedheresinceIwasborn.
Ihadbeenatthebusstopfor20minuteswhenabusfinallycame
Shedidn'
tgotobeduntilshehadfinishedherwork.
Hecalledmeafterhehadfinishedhiswork
Bythetimehecamehere,Ihadfinishedit.
BythetimeIgraduate,Iwillhavelearnedalot.
另:
Bytheendof+表示过去的名词,也用过去完成
Itwasthefirst/secondtimethat+过去完成时
nosooner…thanhardly/scarcely…whenhen可用before来换)
A.时态:
主句用过去完成时(haddone)
从句用一般过去时
B.倒装:
nosooner/hardly/scarcely放句首,主句要到装
EgShehadnosoonerenteredthehotelthanitstartedtosnow.
如何倒装?
?
?
Hehadnosoonerenteredthehotelthanitstartedtosnow.
Nosoonerhadheenteredthehotelthanitstartedtosnow.
用hardly…when/before怎么做?
Hehadhardlyenteredthehotelwhenitbegantosnow.
Hardlyhadheenteredthehotelwhenitbegantosnow
原因状语从句
because直接原因,语气最强.回答why
since通常放句首.译为既然”as不谈自明的原因,语气最弱.
for放句中,多表示推断的原因(不可放句首,不可回答why,用逗号隔开)
EgIwaslatebecauseIgotuplate.Sinceyou'
reill,youhadbetternotgo.
Ashewasinahurry,helefthisbag.
Itmustrainlastnight,forthegroundiswetnowthat
NowthatIamwellagain,Icangoonwith
mywork.
位于句首时that可省略
Seeing/consideringthat考虑至U,鉴于)EgConsideringthattheyarebeginners,theyaredoingquiteagoodjob.
Seeingthatheisill,heisunlikelytocome.
inthat也可表原因,了解即可
条件状语从句
考点一if与unless
IwillgoifIaminvited.(主将从现)
Youwillbelateagainunlessyouhurry.
(unless除非;
如果不)
此类题一定要明晰句意方可选对;
另
外要注意if与whether表示是否”时的区另绝大多数情况下,选whether表示是否”
考点二:
其他的原因状语引导词(当固定词组来记)
1so/aslongas(只要…)
Iamhappyaslongasyouarehappy
2once一旦)
Onceyouneedmyhelp,pleasetellme
3onconditionthat(条件是…)
lllendittoyouonconditionthatyoucanreturninontime
4incase(以防;
万一)
Istayedalldayathomeincaseyoucalledon
我一整天都呆在家里以防你来访。
Takeanumbrellaincaseitrains
incaseof也表“万一”后接名词,上句可以改成
Takeanumbrellaincaseofrain.
5provided/providingthat(女口果)
We'
llvisitEuropeprovided/providingthatwehavethemoney.
6suppose/supposingthat
Suppose/supposingitrainstomorrow,whatshallwedo?
要明确哪个连接词用的是ing形式;
哪
个用的是ed;
哪个用的是原形
让步状语从句
考点一:
as的让步状语从句(倒装)
PoorasIam,Icanaffordit.(adj提前)Hardasheworks,hemakeslittleprogress.
(adv提前)
Tryashemight,hecouldn'
topenthedoc(v提前)
Childasheis,heknowsalot.(n提前,切记:
名词前零冠词)
注:
①这里的as可以换成though
②出冠词题,常出第四个as倒装名词前置零冠词
though与although与evenif/eventhough
Though/Although/Eventhough/Even讦it'
shardwork,Ienjoyit.
①只有though可以倒装,相当于as
Strangethough/asitmayseem,itistrue.②although不与but连用,但是可以和yet或
still连用
EgAlthoughwewonthegame,yetweshouldbemodest.
Althoughwewonthegame,westillhavealongway.