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1.WhileIwaswonderingatthis,ourschoolmastertookhisplace.()2.Wherethereisawill,thereisaway.()3.Nowthat/Sinceeverybodyishere,let’sbeginourmeeting.（）4.I’llspeakslowlysothatyoucanunderstandme.()时间地点原因目的判断下列状语从句的种类5.Socleverwasheastudentthathewasabletoworkoutallthedifficultproblems.()•6.Aslongasyoudon’tloseheart,you’llsucceed.()•7.Tryashemight,hecouldnotfindajob.()•8.Theoldladytreatstheboyasifhewereherownson.()•9.Hewokeupassuddenlyashehadfallenasleep.()结果条件让步方式比较一个____在复合句中用作状语时,在语法上叫状语从句。从句由_______、________或_______引导。状语从句可分为：1)______2)_________3)______4)_________5)_______6)_________7)_______8)_________9)_______等句子时间地点原因目的结果条件方式比较让步名词词组从属连词副词一.时间状语从句的引导词1.when,while,as,before,after,until,till,since,eversince,once,assoonas，2.everytime,next/last/eachtime,thefirsttime,themoment,theminute,theinstant4.hardly…when,scarcely…when,nosooner…than3.immediately,instantly,directlywhen,while,as1._______________weweretalking,Mr.Smithscamein.2._____theycamehome,Iwascookingdinner.3.Iwasabouttogotobed_______Iheardsomeoneknockatthedoor.4.________wewerewatchingTV,hewasstudying.5.Heisfat_______hisbrotheristhin.6.______shesang,tearsrandownherface.While/As/WhenWhenwhenWhilewhileAs连接词when、while、as的用法小结1、when的用法：（1）when引导的时间状语从句的谓语动词可以是延续的，也可以是表短暂性动作的动词，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。如：Whenthefilmended,thepeoplewentback.WhenIlivedthere,IusedtogototheseashoreonSundays.（2）可用作并列连词，其意义为“那时，这时”，相当于andatthis/thattime。常用于句式：Somebodywasdoingsomethingwhen…Sb.wasabouttodosth.when…(刚要……这时突然……)(3)whenever指的是“在任何一个不具体的时间”Youcanaskforhelpwheneveryouneedit.你如果需要帮助请随时提出来。2、连接词while的用法（1）while意思是“当……的时候”或“在某一段时间内”，引导的从句动作必须是持续性的，侧重主句动作和从句动作相对比。Peopledon’ttalksoloudlywhileothersareworking.（2）从句和主句的谓语动词都为延续性动词时,只能用while;while还可作并列连词,表示”而”.IwasreadingwhilehewaswatchingTV.3．as的用法：(1)as着重强调主句和从句的动作同时或几乎同时发生，如：Thestudentsroseastheteacherenteredtheclassroom.(2)as还可以表示“随着……”，如：Astimegoesby,itisgettingcolderandcolder.(3)As还能表示“一边……一边”，如：Helookedbehindfromtimetotimeashewent.4．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，when,while与as可互换使用。如：When/While/AsIwaswalkingdownthestreet,Icameacrossanoldfriendofmine.before,after,since1.Hehadleftthetowntheday______shearrived.2.Itwasnotlong______helefthishometown.3.Iplayedfootball_____I(had)finishedmyhomework4.PleasetellherI’llcome_______Idosomeshopping.beforeafterbeforeafter5.Itwillnotbelong______wemeeteachotheragain.6.I__________(be)athisbedsidesincehe_______(become)ill.7.It____________(be)twoyearssincewe_______(begin)tousethismachine.beforehavebeenbecameis/hasbeenbeganConclusion:1）句型Itwillbe/was＋一段时间＋before…“还要过多久才……”如：Itwillbetwoyearsbeforeheleavesthecountry.2）句型Itwillbe/wasnot＋一段时间＋before…“不多久就……”，如：Itwasnotlongbeforeheworkedouttheproblem.3）句型Itbe＋一段时间＋since…,该句型主句和从句中动词谓语时态的搭配很严格。Itis/hasbeen…sincesb.didsth.如：Itisthreeyearssinceshejoinedthearmy.从句动词为瞬间动词，表示“自……以来，已经过去多长时间了”。Itisfourdayssinceshewasill.从句谓语动词为延续性动词，表示“自……结束以来，已经过去多长时间了”。小结：till,until和not…until：1.until/till引导时间状语从句用于肯定句时，主句的动词是延续性动词，表示动作或状态一直持续到until/till所表示的时间，意为“某动作一直延续到某时间点才停止”。如：Wewaiteduntilhecame.2．用于否定句时，主句谓语动词是非延续性动词，从句为肯定，意为“某动作直到某时间才开始”。如：Hewon’tgotobedtill/untilshereturns.3．till不可以置于句首，而until可以。如：UntilyoutoldmeIhadnoideaofit.4．not…until句型中的强调和倒装说法：ItwasnotuntilyoutoldmethatIhadanyideaofit.NotuntilyoutoldmedidIhaveanyideaofit.till与until:1.Helivedwithhisparents________hegraduatedfromcollege.2.Not____hetoldmedidIknowthetruth.3.Thechildren___________(willcome)homeuntil/tillit’sdark.4.Itwas_________thewarwasoverthathereturnedtohisland.till/untiluntilwon’tcomenotuntil一…就…ill.1.__________________________________________hesawthemonster,heturnedpale.2、Thespyhad_________returnedhomethanhewastoldtogotoanothercountry.3、Wehad_______________returnedhomewhenitrained.4、_______________hadwebegunwhenwetoldtostop.Themoment/minute/Immediately/nosoonerhardly/scarcelyHardly/ScarcelyAssoonas5nosooner…thanhardly/scarcely…when刚……就A.时态：主句用过去完成时（had+p.p.）从句用一般过去时B.倒装：nosooner/hardly/scarcely放句首，主句要到装Shehadnosoonerarrivedatthestationthanthetrainstartedtomove.Nosoonerhadshearrivedatthestationthan….Hehadhardlyenteredthehotelwhenitbegantosnow.Hardlyhadheenteredthehotelwhenitbegantosnow二.地点状语从句:where,whereverYouwouldletyourchildrenplaywhereyoucanseethem.Whereveryouare,Iwillberighttherewaitingforyou.where指“在某个地方”，wherever指“无论哪里，在任何一个地方”语气较强，常用于书面语。在使用时：一、要注意两者的含义区别。二、要注意状语从句和定语从句的区别。三、要注意在状语从句中不可使用介词+which引导。出题者既考状语从句又考定语从句和状语从句的区别。还加入名词性从句这一干扰项。1.Ifyouaretraveling____thecustomsarereallyforeigntoyourown，pleasedoastheRomansdo.A.inwhichB.whatC.whenD.where2.Inpeace，too，theRedCrossisexpectedtosendhelp___thereishumansuffering.A.whoeverB.howeverC.whateverD.wherever3.--Mom，whatdidyourdoctorsay？--Headvisedmetolive____theairisfresher.A.inwhereB.inwhichC.theplacewhereD.whereDDDwhere引导的地点状语从句在句首时常兼有抽象条件意味Wherethere'sawill,there'saway.有志者事竟成。三、原因状语从句原因状语从句的引导词有：because,as,sincenowthat（既然）,consideringthat（考虑到）,seeingthat（由于）用because,as,since与for填空:1.--Whyareyoucrying,meg?---________I’vebrokenyournecklace,mom.2.Iwenttobedearly_______Iwastired.3.Iwasnotkindtohim_________hewasrude.4.__Ihadacold,Iwasa