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1、状语从句的定义与功能:在复合句中担任状语成分的从句称为状语从句,修饰主句的谓语动词,形容词或副词。状语从句的位置:状语从句同状语一样,在句中的位置比较灵活,可置于句首,句未,或句中.状语从句位于句首时,常用逗号分开,状语从句位于句尾时,其前一般不用逗号状语从句的分类:根据意义和用途的不同,状语从句可分为:1.时间2.原因3.地点4.目的5.方式6.条件7.结果8.让步9.比较状语从句条件状语从句引导条件状语从句的连词有:if,unless,so/aslongas(只要),incase(如果,万一),ifonly(要是,只要),prov
2、ided/proving(that)(假如),onconditionthat(只要),suppose/supposing(that)(假定),assumingthat,once①I’llgothere_________heinvitesme.②_________Iforget,pleaseremindmeaboutit.(假使我忘了,请提醒我)③Takeanumbrellawithyou________itrains.(带把伞吧,万一下雨)④_________hehasachance,hewilldogreatthings.(只要他有
3、机会,他就能干大事)⑤Suppose/Supposing(that)hecan’tcome,whowilldothework?⑥Providing/Provided(that)thereisnoopposition,weshallholdthemeetinghere.【重点提示】★同时间状语从句一样,条件状语从句如果表示将来时间,要用一般现在时代替将来时。★incase如位于句首,意思是“假如”,位于句中和句尾,意思是“万一”V.方式状语从句引导方式状语从句的连词有:as(正如---),asif/though(仿佛,好象),justa
4、s---so(像---那样)①Pleasedo______Ido.②Thechildtalks_____he_____aman.(be)③Itlooks_______it_____/_____goingtorain.(be)④Just______wateristofish,soairistoman.空气对于人,就像水对于鱼一样。⑤Just_____youhateMr.Green,soIdislikehiswife.正如你不喜欢格林一样,我也不喜欢他妻子。【重点提示】asif/asthough引导的方式状语从句一般用虚拟语气,但如果从句
5、中所陈述的情况很可能实现,也可用陈述语气。1.---Theexperimentisofparticularimportance.---Isee.Wewillcarryonwithit_____wecangetenoughmoney.a.untilb.unlessc.whetherd.however2.Iwon’tgiveyouanyhelp____youtellmethetruth.It’snoneofmybusiness.a.Unlessb.sincec.ifd.evenif3.---CanIjoinyouinthegame?---
6、Sorry,not____youhavefinishedyourhomework.a.ifb.sincec.unlessd.that4.---Doyouthinkwecangetthereontime?---Yes,___thetruckdoesn’tbreakdown.a.evenifb.unlessc.untild.solongas5.Wewon’tgiveup___weshouldfailtentimes.a.evenifb.sincec.whetherd.until6..---I’dliketoinviteyoutomynew
7、housenextweekend.---Thankyou,but___I’llhavetimeIamnotsureatthemoment.a.whenb.asc.incased.unless7..Idon’tthinkIwillneedanymoneybutIwillbringsome___.a.atlastb.incasec.onceagaind.intime8.TheWTOcan’tliveuptoitsname_____itdoesnotincludeacountrythatishometoonefifthofmankind.A
8、.aslongasB.whileC.ifD.eventhough9.Themenwillhavetowaitallday____thedoctorworksfaster..A.ifB.unlessC.whetherD.t