状语从句教案状语从句是一种副词性从句，通常由一个从属连词或一个起连词作用的词组引导。状语从句可以表示时间、地点、原因、目的、结果、条件、方式、让步和比较9种意义。（一）时间状语从句1.when,whenever,while,as所引导的时间状语从句①WhenIcameintotheroom,hewaswritingaletter.当我进屋时，他正在写信。②Weshallgotherewheneverwearefree.我们什么时间有空，我们就去那里。③Iwaswalkingalongthestreetwhensuddenlysomeonepattedmeontheshoulderfrombehind.我正在街上走着，这时忽然有人从后面拍我的肩膀。④Whileitwasraining,theywentout.下雨的时候，他们出去了。⑤Istayedwhilehewasaway.他不在的时候我在。⑥Hehurriedhome,lookingbehindashewent.他赶快回家，不时地一边走一边向后看。2.before,after,since所引导的时间状语从句①Beapupilbeforeyoubecomeateacher.先做学生，再做先生。②Hearrivedafterthegamestarted.比赛开始后，他才到。③GreatchangeshavetakenplaceinChinasince1978.自从1978年以来中国发生了巨大的变化。3.till和until所引导的时间状语从句①Wewaitedtill(until)hecameback.我们一直等到他回来。②Shedidn’tstopworkinguntileleveno’clock.她到11点钟才停止工作。③Untilhehadpassedoutofsight,shestoodthere.她站在那里看着，直到看不见他的身影。4.assoonas,hardly/scarcely/barely…when,nosooner…than所引导的时间状语从句①AssoonasIarriveinShanghai,I’llwritetoyou.我一到上海就给你写信。[来源:学_科_网]②Ihadhardlygothomewhenitbegantorain.我刚到家，天就下雨了。=HardlyhadIgothomewhenitbegantorain.③Nosoonerhadwegottothestationthanthetrainleft.我们刚到车站，火车就开走了。=Wehadnosoonergottothestationthanthetrainleft.注意：hardly/scarcely/barely…when,nosooner…than只可以用于过去时态的句子中。5.directly/instantly/immediately,bythetime,theinstant/themoment,thesecond/theminute/theday/theyear,everytime/eachtime/nexttime/thelasttime/thefirsttime等副词、介词短语和名词短语所引导的时间状语从句⑥HeleftEuropetheyearWorldWarⅡbrokeout.第二次世界大战爆发那一年他离开了欧洲。⑦EverytimehephonesIalwaysseemtobeinthebath.每次他来电话时似乎我都在洗澡。⑧Eachtimehecametotownhewouldvisitourschool.他每次进城都要到我们学校看看。⑨Helookedmuchworried(the)lasttimeIsawhim.我上次见到他时他满脸愁容。（二）地点状语从句地点状语从句由where和wherever引导①Wherethereisawill,thereisaway.有志者，事竟成。②Youarefreetogowhereveryoulike.你可以随意到你喜欢的任何地方去。③Whereveryougo,youmustobeythelaw.无论你去哪都要遵守法律。（三）原因状语从句1.because,since,as所引导的原因状语从句①IcamebacklateyesterdaybecauseIwasonduty.昨天我回来晚了，因为我值班。②Sinceeveryoneishere,let’sbeginourmeeting.既然大家都到了，我们开始开会。③Ashedidn’tknowmuchEnglish,helookedupthewordinthedictionary.由于他英语懂得不多，他在字典中查阅这个单词。[来源:学科网ZXXK]2.nowthat,seeingthat,consideringthat,inthat所引导的原因状语从句①Now(that)theweatherhasclearedup,wecanstartourjourney.鉴于天气已经晴朗，我们可以启程了。②Seeing(that)hewasbadlyill,wesentforthedoctor.鉴于他病情严重，我们派人去请医生去了。③Consideringthattheyarejustbeginners,theyaredoingquiteagoodjob.考虑到他们才刚刚学做，他们干得算很不错的了。④Thisbookisdifferentfromthatbookinthatthisoneisaboutchemistryandthatoneabouthistory.这本书不同于那本,因为这本是有关化学的,而那本是有关历史的。[来源:学.科.网Z.X.X.K]（四）目的状语从句目的状语从句常常由sothat,inorderthat,forfearthat,incase来引导①IshallwritedownyourtelephonenumberthatImaynotforget.我要把你的电话号码记下来，以免忘记。②We’lltellyouthetruthsothatyoucanjudgeforyourself.我把真实...
