SectionⅢGrammar—时间状语从句和省略语法图解探究发现①SomeoftheDJsbeganspeakingandshoutingwhilethemusicplayed.②ThemomentIheardit,Iknewitwasacompletelynewkindofmusic.③Thefirsttimethatrapartistsrecordedtheirmusic,musiciansrecordedthebackingtracks(themusicwithoutthesinging)inthestudioandtherappersaddedtheirvocalslater.④Nosoonerhadhereachedhomethanitbegantorain.⑤HardlyhadIenteredtheroomwhenthephonerang.⑥—Doyouwanttogotothemovietonight?—Ihopeto(gotothemovie).⑦Whatdoyouthinkofthefilm(that)yousawyesterday?⑧While(Iwas)atcollege,Ibegantoknowhim,astrangebutablestudent.⑨Bobhasdonehishomework,butTomhasn't(donehishomework).⑩Heacceptedthesuggestionthathe(should)gotherebytrain.[我的发现](1)①~⑤句中黑体部分在句中引导时间状语从句,⑥~⑩句为省略句。(2)④⑤句为nosooner...than.../hardly...when...句式,表示“一……就……”,且nosooner/hardly位于句首时,主句要用倒装语序。(3)⑥句是不定式的省略,省去了to后面的动词(短语)。(4)由⑦句可知,关系词在定语从句中作宾语时可以省略。(5)⑧句中,从句主语与主句主语一致,且从句中包含be动词的某种形式,可以将从句的主语和be动词同时省略。(6)⑩句是情态动词should的省略;⑨句省略了部分谓语及宾语。一、时间状语从句在复合句中起时间状语作用的句子称为时间状语从句。时间状语从句常用when,while,as,until,since或表示时间意义的名词短语等引导。1.when,while,as的用法连词用法when从句谓语用延续性动词和非延续性动词均可,主、从句谓语表示的动作可同时或先后发生while从句谓语用延续性动词表示两个延续性动作同时发生且具有对比意味,或一个动作发生在另一个动作进行的过程中as从句谓语动词用延续性动词,强调主、从句动作同时发生表示“一边……一边……;随着”之意Hewasninewhenhisfatherdied.他父亲去世时他才九岁。Jackwasworkinginthelabwhenthepowercutoccurred.(2016·北京高考改编)杰克正在实验室里工作,这时突然停电了。Theyarrivedwhilewewerehavingdinner.他们到时我们正在吃晚饭。WhileIplayedthepiano,mysisterdidherhomework.我弹钢琴的时候姐姐在做家庭作业。Asyearsgoby,Chinaisgettingstrongerandricher.随着时间一年一年过去,中国变得越来越富强了。IsawmymotherasIwasgettingoffthebus.我下公共汽车的时候看见了我妈妈。[名师点津]when在beabouttodo...when...,bedoing...when...,haddone...when...,beonone'sway...when...,beonthepointofdoing...when...等结构中,作“正在那时”讲,表示某个动作正在发生或刚刚发生,另一动作同时发生。Hewasabouttoleavewhensomeoneknockedatthedoor.他刚要离开就有人敲门。[即时演练1](1)选词填空:when,while,as①It'smucheasiertomakefriendswhenyouhavesimilarinterests.②While/WheninViennahestudiedmusic.③Youwillgrowwiserasyougrowolder.(2)完成句子①Iwasabouttogotobedwhenthetelephonerang.我正要睡觉时电话铃响了。②TheywerewatchingTVwhentheylearnedthattheplanewasoutoftouch.他们正在看电视,这时得知飞机失去联系。③Hehadjustleftwhenyoucame.他刚离开,你就来了。④Hedroppedtheglassashestoodup.他站起来时,把杯子摔了。2.until,till的用法主句形式主句谓语意义肯定句用延续性动词意为“直到……为止”,表示主句中的动作到从句动作发生时结束否定句用非延续性动词意为“直到……才……”,表示主句中的动作到从句动作发生时开始Hewaiteduntilshehadfinishedspeaking.他一直等到她讲完。Youcan'tgohomeuntilyoufinishyourwork.工作完成后你才能回家。[名师点津](1)置于句首或在强调句中时常用until,其他情况until和till可通用。UntilyoutoldmeIhadnoideaofit.直到你告诉我,我对此事才有所了解。(2)如果将“notuntil...”结构放在句首,那么主句要部分倒装。Notuntilhisbikelookedalmostnewdidhestopcleaningit.直到他的自行车看起来几乎像新的一样,他才停止擦...