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RevisionoftheAdverbialClauses复习状语从句复习目标：•通过复习使学生懂得状语从句的定义、句法功能、分类、引导词，及各类状语从句的用法，联系试题提高学生分析和解决问题的能力。•知晓状语从句的考查热点及做题方法。复习难点：•一些易混引导词的用法。复习方法：•自主学习;小组讨论;导学导练。Step1:自主梳理：状语从句是在复合句里用来修饰主句中的______动词、________动词、________、________或整个句子。状语从句一般由_______引导。从句位于______、______或______。位于______或______时通常用逗号隔开，位于______时可以不用逗号隔开。状语从句一共有_____种，他们是_______。谓语非谓语形容词副词连词句首句中句末句首句中句末九条件状语原因状语目的状语地点状语比较状语结果状语时间状语让步状语方式状语状语从句有九种，时地条件和原因，目比结果方让步，连词引导各不同；主句通常前面走，连词引导紧随后；从句若在主前头，主从之间有个逗。状语从句用法小结Backtoschool状语从句的常考点与重难点重点状语从句的时态问题;难点常考点时间状语从句各种从属连词的含义及用法比较；状语从句的时态问题;各种从属连词的含义及用法比较；时间状语从句状语从句的时态问题;各种从属连词的含义及用法比较；状语从句的时态问题;各种从属连词的含义及用法比较；时间状语从句,让步状语从句，条件状语从句状语从句的时态问题;各种从属连词的含义及用法比较；掌握状语从句的关键1.准确掌握每一个连词的含义。2.注意主句和从句的时态呼应。Step2:重点研讨：Doyoufinishthesentences?1.Itwasalreadyeighto'clock______wegotthere.2._________hewasspeaking,everybodylistenedcarefully.3.HehadlearnedChinese_________hecametoChina.4._________theworkwasdone,wesatdowntosumupexperience.5..Ihaven'tseenhim_________hemovedtotheothersideofthetown.WhenwhilebeforeAftersinceDoyoufinishthesentences?6.Iwaited________hecameback.7.Iwasabouttogoout_________avisitorcame.8.Shesings______shegoesalong.9.Thethievesranaway_______________theycaughtsightofthepolice.10.Itwasnot________hetookoffhiseyeglassesthatIrecognizedhim.asassoonaswhenuntiluntilDoyouknowthesentences?1.IfeltbadthefirsttimeItalkedtoagroup.2..IrecognizedyouthemomentIsawyouattheairport.3.BythetimeIwassixteen,mydreamhadcometrue.4.Nowwheneverwegotothepub,weplayoursongsandbuydrinksforthefriends.5.Hardlyhadhereachedtheschoolgatewhenthebellrang.时间状语从句的常用引导词when,while,as,before,after,whenever,since,until/till,not…until,assoonas,themoment,theminute,thesecond,theinstant,immediately,directly,instantly,hardly/scarcely…when,nosooner…than…everytime,eachtime,everyyear,eachyear,…thefirst/second…/lasttime,theday,anytime,bythetime,every/eachtime,完成句子，总结when的用法1._________________________(当电影结束时),thepeoplewentback.____________________(当我住在那里的时候),Iusedtogototheseashore.总结：when引导的时间状语从句，其谓语动词可以是延续的，也可以是瞬间的，可用于主句和从句动作同时发生或从句动作先于主句动作。2.Wewerehavingaclass_____________________(突然有人闯了进来).Wewereabouttosetoff___________________(这时开始下雨了)总结：相当于andatthis/thattime。意思为“正在/刚要……这/那时（突然……）”WhenthefilmendedWhenIlivedtherewhensomeonebrokeinwhenitbegantorain.3.Itwasfoolishofyoutotakeataxi______youcouldeasilywalkthereinfiveminutes•Howcanhegetgoodgrades_____hewon'tstudy?总结：“既然”，相当于since;consideringthat。•常用于下列句式：bedoingbeabouttodosth.beonthepointofdoing+whenwhenwhenPRACTICE1.Wewereswimminginthelake______suddenlythestormstarted.(北京春)A.whenB.whileC.untilD.before2.Hewasabouttotellmethesecret______someonepattedhimontheshoulder.(上海)A.asB.untilC.whileD.when3.Hetransplantedthelittletreetothegarden______itwasthebesttimeforit.(上海)A.whereB.whenC.thatD.until4.－DidJackcomebackearlylastnight?(福建)－Yes.Itwasnotyeteighto’clock____hearrivedhome.A.BeforeB.whenC.thatD.untilADBB1.Pleasedon’ttalksoloudwhileothersareworking.2.WhileIaccepttheproblemisdifficult,Idon’tthinkIwon’tworkitout.3.Somepeoplewastefoodwhileothershaven’tenough.虽然而/却当……猜测词义，as用法小结1.AsIleftthehouse,Iforgotthekey.2.AsIgetolder,Igetmoreoptimistic.3.Hehurriedhome,lookingbehindashewent.4.Astheweatherissobad,wehavetostayhome.5.Youcandoitasyoulike.6.Oldasheis,heisstillenergetic.7.HespeaksEnglishasfluentlyasanativespeaker.当……随着一边由于像/按照尽管像……一样Judgethemeaningsof“as”.as用法小结1.引导时间状语从句：强调同时发生或紧接着发生，动作无先后。①当……时候②一边……一边……③随着2.引导原因状语从句：由于3.引导方式状语从句：像，如4.引导让步状语从句：虽然5.引导比较状语从句：as…as…和……一样6.引导定语从句：如，像7.介词：作为连接词when,while,as的用法区别1.When/Whilehewaseatinghislunch,thedoorbellrang.WhenIstoppedmycar,amancameuptome.小结：while引导的时间状语从句的谓语动词必须是可延续的，而when引导的时间状语从句的谓语动词是可延续的，也可以是表短暂性动作的动词。2.Whenyouhavefinishedyourwork,youmayhavearest.小结：从句动作发生在主句动作之前时，只能用when引导这个从句，不可用as或while。3.When/While/AsIwaswalkingdownthestreet,Icameacrossanoldfriendofmine.小结：如果主句表示的是短暂动作，而从句用延续性动作的进行时态表示在一段时间内正在进行的动作时，三者可互换使用。选when？还是as比较像，选while吧！崩溃ING！用while,when,as填空：①_____________Iwaswalkingdownthestreet,Inoticedapolicecarinfrontofthestore.②____________Johnarrived,Iwascookinglunch.③____________hegrewolder,helostinterestineverythingexceptgardening.④Howcanhegetgoodgrades__________hewon’tstudy?(他不好好学习却能得高分，他是怎么做到的？When表示虽然)⑤Iwaswanderingthroughthestreet_________Icaughtsightofatailor’sshop.⑥_________thegrandparentslovethechildren,theyarestrictwiththem.When/While/AsWhenAswhenwhenwhiletill,until和not…until观察句子，找出用法。①Youmaystayhereuntiltherainstops.②Ididn’tleaveuntilhecame.③UntilyoutoldmeIhavenoideaofit.④ItwasnotuntilhecamethatIleft.⑤NotuntilyoutoldmedidIhaveanyideaofit.用于肯定句：主句谓语动词必须是________________,意为“某动作一直延续到某时间点才停止”。用于否定句：主句谓语动词必须是_________________,意为“某动作直到某时间才开始”。______可以用于句首,而______不可以。在强调句型中,notuntil两词不可分开；notuntil放在句首时，_______要倒装。延续性动词非延续性动词untiltill主句before用法小结1.Wehadsailedfourdaysandfournightsbeforewesawland.2.Wehadn’trunamilebeforehefelttired.3.Pleasewriteitdownbeforeyouforgetit.4.BeforeIcouldgetinaword,hehadmeasuredme.……才还没有/不到……就……趁……（还未）还没来得及……注意：before从句中谓语不用否定式。Beforetheyreachedthestation,thetrainhadgone.含有before的句型结构：1.Itwillbe/was＋段时间＋before…“过多久才”It_________________