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1、初中状从句全面解及答案1、基本含状修、形容、副或整个句子。通常由副、介短、不定式、分和从句等担当。用下划划出下列句子中的状，并明是什么在做状：HespeaksEnglishverywell.Heisplayingunderthetree.Icomespeciallytoseeyou.Theboywaspraisedforhisbravery.Whenshewas12yearsold,shebegantoliveinDalian.IfIamnotbusytomorrow,Iwillplayfootballwithyou.什么是状从句？用来修主句中
2、的，副和形容的从句叫状从句。根据其含状从句可分状从句，地点状从句，条件状从句，原因状从句，果状从句，比状从句，目的状从句，步状从句。例句：IwillcallyouassoonasIarriveinBeijing.Ifhecomesback,pleaseletmeknow.IknowhowtolightacampfirebecauseIhaddoneitbefore.2、用法1.状从句(1)状从句常用when,as,while,before,after,since,till,until,assoonas等来引。例如：Itwasraininghar
3、dwhenwegottoschoolyesterday.Whilehewasdoinghishomework,thetelephonerang.Ashewalkedalongthelake,hesanghappily.HehadlearnedalittleChinesebeforehecametoChina.Afterhefinishedmiddleschool,hewenttoworkinafactory.(2)在状从句里，通常不用将来，用在表示将来的作或状。例如：I’llringyouupassoonasIgettoNewYork.Iwil
4、ltellhimeverythingwhenhecomesback.Hewon’tbelieveituntilheseesitwithhisowneyes.(3)在有till或until引的状从句的主从复合句里，如果主句用肯定式，其含是“一直到⋯⋯，”只能用延性。如果主句用否定式，其含是“直到⋯⋯才⋯⋯”,“在⋯⋯以前不⋯⋯”谓,可用瞬。例如：Theyoungmanreadtillthelightwentout.Let’waitsuntiltherainstops.1/8Wewon’tstartuntilBobcomes.Don’tgetoff
5、untilthebusstops.[Practice]Ididn’tknowhecameback____Imethiminthestreet.(2007河北)A.sinceB.WhenC.untilD.after请填入适当的引导词Ihaven’heardtfromhim_____hewenttoAmerica.Wefoundthebookstwodays____hehadgoneaway.Donotleavetheroom_____youhavefinishedthetest.2.条件状语从句(1)条件状语从句通常由if,unless引导。例如
6、：Whatshallwedoifitsnowstomorrow?Don’tleavethebuildingunlessItellyouto.(2)在条件状语从句里，谓语动词通常用现在时态表示将来的动作或状态。例如：I’llhelpyouwithyourEnglishifamfreetomorrow.Hewon’tbelateunlessheisill.(3)祈“使句+and(or)+陈述句”在意思上相当于一个带有条件状语从句的复合句。例如：Hurryup,oryou’llbelate.=Ifyoudon’hurrytup,you’llbelat
7、e.[Practice]1.Ifyou____latetomorrowmorning,youwon’tcatchtheearlybus.(2007福建厦门)A.getupB.don’getupC.willgetup请完成下面句子的翻译：如果明天有空,我会和你一起去喂狗._______________________如果明天他不来,我会代替他去的._________________________2、3.原因状语从句(1)原因状语从句通常由because,since,as引导。例如：Hedidn’comettoschoolbecausehewas
8、ill.Sinceyoucan’answertthequestion,I’llasksomeoneelse.(2)because表示直接原因，语气最强
