优点英语状语从句状语从句有时间、地点、原因、目的、结果、条件、方式、比较和让步状语从句，共9种，是每年必考的语法项目，主要考查连词的判断选用，主句与从句谓语动词的时态运用。其中，以对时间状语从句、条件状语从句、让步状语从句和结果状语从句的考查最为频繁。近几年，重点考查的连词有：when，while，as，before，unless，however等。近三年，高考有考查状语从句、宾语从句、名词性从句交叉运用的题型出现。【重点、难点】一、时间状语从句(一)when，while与as引导的时间状语从句1．when，while与as引导时间状语从句的区别连词谓语动词用法点津when延续性动词非延续性动词从句的动作和主句的动作可以同时发生，也可以先后发生while延续性动词从句的动作与主句的动作同时发生as延续性动词强调主从句动作相伴发生，可译为“一边……一边……；随着”WhentheyheardthenewsthatShenzhouⅨhadbeensentupintospacesuccessfully，theyjumpedwithjoy.听到“神舟”九号成功发射的消息，他们高兴地跳了起来。WhileIwasreading，hecamein.我正在看书时，他进来了。Thestudentssangastheywalked.,优点英语学生们边走边唱。2．while还可以作并列连词，表示对比，意为“而，却”。LiuWangisfromShanxiwhileLiuYangcomesfromHenan.刘旺来自山西，而刘洋来自河南。3．when也可以作并列连词，意为“这时，那时”。Wewerehavingameetingwhensomeonebrokein.我们正在开会这时突然有人闯了进来。(二)before与since引导的时间状语从句1．before与since的常用句式连词词义常用句式before在……之前，还未……就……；……才……；趁……，还没来得及……Itwill(not)be＋一段时间＋before...(没有)过……时间才Itwasnotlongbefore...不久……就Itwas＋时间段＋before...过了……(时间)才……since自从……以来Itis/hasbeen＋一段时间＋since...(从句用一般过去时)Itwas＋一段时间＋since...(从句用过去完成时)Itwillbetwoyearsbeforeheleavesthecountry.再过两年他才会离开这个国家。,优点英语Itwasn'ttwoyearsbeforeheleftthecountry.不到两年他就离开了这个国家。2．since引导的从句如果用非延续性动词，所表示的动作自从句谓语动作算起；若用延续性动词，所表示的动作自动作或状态的完成或结束时算起。It'stwoyearssincewearrivedhere.我们到这儿两年了。It'sthreeyearssincewelivedhere.我们不住在这里有三年了。(三)表示“一……就……”含义的词(短语)引导的时间状语从句1．引导时间状语从句，且表示“一……就……”含义的词或短语有：assoonas，themoment，theminute，immediately，directly，hardly/scarcely...when，nosooner...than...。2．hardly/scarcely...when，nosooner...than...中主句应用过去完成时，从句应用一般过去时；当nosooner...和hardly/scarcely...位于句首时，主句要部分倒装。(四)until与till引导的时间状语从句1．until与till引导时间状语从句的区别连词位置用法点津until可以放在句首not...until可用于强调句型till不可放在句首一般不用于强调句型2.notuntil位于句首时，主句要部分倒装。(五)引导时间状语从句的其他常见连词(短语),优点英语1．其他常见的引导时间状语从句的连词(短语)还有after，whenever，everytime，eachtime，nexttime,thefirst/lasttime,anytime,bythetime,theday/year等。Wheneverwemetwithdifficulties,theycametohelpus.每当我们遇到困难，他们就来帮忙。2．bythetime引导的时间状语从句用一般现在时，主句用将来完成时；bythetime引导的时间状语从句用一般过去时，主句用过去完成时。Ifonlyhehadfollowedthedoctor'sadvice，hewouldnotsuffersomuchnow.(2)onlyif意为“只要，只有”引导真实条件句。置于句首时，其后的主句要用部分倒装语序。Onlyifyoufinishyourworkbeforeninecanyougoouttoplay. 随堂练习一Ⅰ.单句填空1. myin-lawsnoddedandsmiled,Irecognizedthattheseexplanationswereapoorsubstitute. 2.Therefore,theyarereducedtogivingup anyrealisticresultsareachieved. 3.Idon’tlistentoEnglishmusicasfrequently IlistentoChinesemusic. 4. you’relookingatwallpaperorpaint,thetime,effortandrelativeexpenseputintoitareimportant. 5.However,there’sadebateontheweddingphotographs nogroom(新郎)canbefoundinthephotos. 6. therearemanypositivedevelopmentsassociatedwiththeInternet,therearealsocertainfearsandconcerns. 7.Talkingaboutfirescanbescary noonelikestothinkaboutpeoplegettinghurtortheirthingsgettingburned. 8.TheGreatWallwindsitswayfromwesttoeast,acrossdeserts,overmountains,throughvalleys atlastitreachesthesea. ,优点英语Ⅱ.单句改错9.Inaddition,weneedtoimproveouroralEnglish.WhenwearealwayslearningEnglish,wemaynotbeabletomakeafluentspeech.Wecan’teasilycommunicatewithotherslikenativespeakers. 10.However,afterIgohiking,Imakesuretohaveallofthepropernecessities.Firstofall,Iwearproperclothingandhikingshoes. 二1.(2019天津,13)Tomissoindependentthatheneveraskshisparents’opinion hewantstheirsupport. 2.(2018北京,2) wedon’tstopclimatechange,manyanimalsandplantsintheworldwillbegone. 3.(2018天津,4)Let’snotpickthesepeachesuntilthisweekendso theygetsweetenoughtobeeaten. 4.(2018江苏,29) youcansleepwell,youwilllosetheabilitytofocus,planandstaymotivatedafteroneortwonights. 5.(2017北京,25) birdsusetheirfeathersforflight,someoftheirfeathersareforotherpurposes. 6.(2017北京,28)Ifyoudon’tunderstandsomething,youmayresearch,study,andtalktootherpeople youfigureitout. 7.(2017江苏,23)Located theBeltmeetstheRoad,JiangsuwillcontributemoretotheBeltandRoadconstruction. 8.(2016北京,27)Mygrandfatherstillplaystennisnowandthen, he’sinhisnineties. although/though9.(2016北京,33)Ireallyenjoylisteningtomusic ithelpsmerelaxandtakesmymindawayfromothercaresoftheday. 10.(2016天津,7) theaverageageofthepopulationincreases,therearemoreandmoreoldpeopletocarefor. 11.(2016浙江,5) onlineshoppinghaschangedourlife,notallofitseffectshavebeenpositive. 12.(2015北京,32) thedamageisdone,itwilltakemanyyearsforthefarmlandtorecover. ,优点英语13.(2015江苏,26)Itissocoldthatyoucan’tgooutside fullycoveredinthickclothes. 14.(2015天津,12)Weneedtogettotherootoftheproblem wecansolveit. 15.(2015浙江,9)Just asinglewordcanchangethemeaningofasentence,asinglesentencecanchangethemeaningofaparagraph. 16.(2015安徽,23) scientistshavelearnedalotabouttheuniverse,thereismuchwestilldon’tknow. 17.(2015福建,31) thestudentscamefromdifferentcountries,theygotalongquitewellinthesummercamp. 18.(2015陕西,20)Ibelieveyouwillhaveawonderfultimehere yougettoknoweveryoneelse. 19.(2015四川,6)Thereisonlyonemoredaytogo yourfavoritemusicgroupplaylive. 三1.(2020届安徽“江淮十校”联考一,62)Anewstudyshedslightonwhat’sgoingoninsideourbrains wematchourmusictoourfeelings. 2.(2020届山西太原五中9月月考,47)Legendhasitthathewasturneddown1,009times hischickenwasfinallyaccepted. 3.(2020届云南昆明一中摸底一,64) TheEconomistcallsitselfanewspaper,eachissueisonthefinestpaperlikeanewsmagazine. 4.(2020届四川雅安中学开学摸底,61)Ithasbeen2years wehiredacleaningladyandforsomereasonmyhusbandhasbecomeverydemandingtowardher. 5.(2020届湖南衡阳四中8月月考,70)ColonelSandersdidn’topenhisfirstKFCrestaurant hewas62,whileFaujaSinghranhisfirstmarathonat89. 6.(2020届湖南衡阳八中月考三,67)AnotherresidentMs.Leeinher60ssaidshecame shewantedtowakeupyoungpeople. 7.(2020届湖南长沙雅礼中学月考一,63) youfeellikeyourlifelackspurpose,don’tworry. 8.(2019河北保定摸底考试,67) TCMhasbeenwidelyaccepted,itstillfaceschallenges. 9.(2019湖北孝感一中、应城一中等五校期中联考,69)Theyhadnosoonerfinishedthesurveybyaskingthe,优点英语parentsthesamequestionsthreeyearslater theyfoundthat18percentofkidsinvolvedinthestudywereobese. 10.(2019河北衡水中学一调,63) theeventwillcostthegovernmentalot,thebenefitsareeasyforustosee. 11.(2019江西红色七校二次联考,61)Yesterdaywasacrazyday.Ifeltverytired Ihadtonsofworkstuffgoingon. 12.(2019河南天一大联考二次考试,62) theexactboundarybetweenprimaryandsecondaryeducationvariesfromcountrytocountry,itisgenerallyaroundtheseventhtothetenthyearofschooling. 13.(2018江苏启东中学一次月考,25)ThedoctorsuggeststhatIshouldsleepwiththewindowopen it’sverycold. 14.(2018广西钦州一次质检,70)Theycalled911andwaitedwithme,oneholdingmyhandandspeakinggentlytomethattheywouldstay helpcame. 四MyclassmateMichaelstudiedveryhard 1 hewenttoseniorhighschool.Everydayheworked 2 everyoneelseinmyclasslefttheclassroom.Hesaidhewouldn’tstoptrying 3 hegotsatisfyingscoresinhisstudies.Hard 4 hetried,hemadelittleprogress.Buthedidn’tloseheartatall 5 hebelievedaslongashepersistedhewouldsucceedoneday. 6 timewentby,hemadeimprovementsinhisstudiesandhewasadmittedtoauniversityinBeijingatlast.Wehadaget-together 7 westartedournewlifeinuniversity.Everyonehadgotoffersfromuniversities, 8 wehadaverygoodtime.Whenwestood 9 weusedtoplayandstudy,wecouldn’thelpthinkingofourhappyolddays.Webelievedwewouldneverforgeteachother, 10 wewouldgoorwhateverwewoulddo.
