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theAdverbialClauseofTime时间状语从句theAdverbialClauseofTime1.while/when/as;before/after;since;till/until2.assoonas/instantly/immediately/directlythemoment/theminute/thesecond;3.thefirst(next)/time/everytime/eachtime4.nosooner…thanhardly…whenscarcely…when1.Wewereswimminginthelake______suddenlythestormstarted.(北京)A.whenB.whileC.untilD.before2.Hewasabouttotellmethesecret______someonepattedhimontheshoulder.(上海)A.asB.untilC.whileD.whenAD4.Hesmiledpolitely___Maryapologizedforherdrunkfriends.A.asB.ifC.unlessD.thoughA3.__satdownforarest___thedoorbellrang.A.HardlyIhas;whenB.HardlyIhad;thanC.HardlyhadI;thatD.HardlyhadI;whenD5.ShethoughtIwastalkingaboutherson,infact,Iwastalkingaboutmyson.A.whenB.whileC.beforeD.untilB6._____thedaywenton,theweathergotworse.A.BeforeB.AfterC.AsD.While7.Itisalmostfiveyears______wesaweachotherlasttime.(北京)A.beforeB.sinceC.afterD.becauseCB8.Hewaited______alltheotherpeopleleftthestation.A.afterB.sinceC.untilD.notuntilC9.Shehadjustfinishedherhomework_______hermotheraskedhertopracticeplayingthepianoyesterday.(2009福建)A.whenB.whileC.afterD.sinceA10.－Whydidn’tyoutellhimaboutthemeeting?--Herushedoutoftheroom___Icouldsayaword.A.beforeB.untilC.whenD.afterAwhenwhileas总结:when=atthistime/atthattime“正在/刚要做某事...这/那时（突然……）”when常用于下列句式：was/weredoingsth.was/wereabouttodo.hadjustdonesth.+when......1.2.3.总结:hardly…when.../scarcely…when…nosooner…than…whenHardlyhadIgothomewhenitbegantorain.Ihadhardlygothomewhenitbegantorain.(转换为倒装句)如果hardly;nosooner;scarcely置于句首，主句必须用过去完成时的部分倒装结构。WhileIwaswalkingdownthestreet,Icameacrossanoldfriend.Helikespopmusic,whileIlikefolkmusic.while/as表对比“然而”※Asthedaywenton,theweathergotworse.※Shesangassheworked.()()一边...一边随着总结：till/untiltill,until和not…until•用于肯定句：主句谓语动词是______________,意为“一直到......停止...”。•用于否定句：主句谓语动词是_________________,意为“一直到......才开始...”。•______可以用于句首,而______不可以。延续性动词①非延续性动词②until③till总结：①Youmaystayhereuntiltherainstops.②Ididn’tleaveuntilhecame.③UntilyoutoldmeIhadnoideaofit.④ItwasnotuntilhecamethatIleft.⑤(Notuntilhehadfinishedallhiswork)didhestop.总结：notuntil从句可用于强调句型中,notuntil从句放在句首时,主句要部分倒装⑤not….until…的强调句Hedidnotstopuntilhehadfinishedallhiswork.变成强调句:Itwasnotuntilhehadfinishedallhisworkthathestopped.before句型：1.Itwillbe＋alongtime＋before…“（将要）过多久才”It______________________heleavesthecountry.willbetwoyearsbefore要过两年他才能离开这个国家。2.Itwillnot+be＋alongtime＋before…“没多久就……”译：不久我们就会再见面。Itwon’tbelongbeforewemeetagain.beforesinceSince1.Itis/hasbeen+sometime+since+sb.____.2.Itwas+sometime+since+sb.+_________.总结：延续性动词:反过来翻译非延续性动词:直译★★+didhaddoneIthasbeensixyearssincewelastsaweachother.(Book1M5)1.Itistwoyearssincehesmoked.(延续v.）他不吸烟/戒烟已有两年了。2.Itistwoyearssincehebegantosmoke.（非延续性v.)他吸烟有两年了。Examples:hejoinedthearmy.hewasasoldier.自从他退伍以来.自从他参军以来Itis5yearssince1.Itisfiveyears______hegraduated.2.Itwillbefiveyears______hegraduates.3.Itwasfiveo’clock______helefthome.4.Itwasatfiveo’clock_____helefthome.sincebeforewhenthat※易错句型对比：Itis+time+when/before/since/that1.(浙江)OneFriday,wewerepackingtoleaveforaweekendaway____mydaughterheardcriesforhelp.A.afterB.whileC.sinceD.when2.(四川)Asisreported,itis100years____QinghuaUniversitywasfounded.A.whenB.beforeC.afterD.since3.(辽宁)Hehadnosoonerfinishedhisspeech__thestudentsstartedcheering.A.sinceB.asC.whenD.than4.(陕西)Johnthinksitwon’tbelong___heisreadyforhisnewjob.A.whenB.afterC.beforeD.sinceADPKBC佳句回顾背诵1.HardlyhadIgothomewhenitbegantorain.BoysPKGirls2.Itistwoyearssincehesmoked.他不吸烟/戒烟已有两年了。我刚到家就下起雨来。不久我们就会再见面。3.Itwon’tbelongbeforewemeetagain.4.ItwasnotuntilhecamethatIleft.直到他来，我才离开A.直到他来，我才离开ItwasnotuntilhecamethatIleft.tilluntil1.Recite:10’2.Makeupasentence.20’Itwasnotuntil...that...B.他不吸烟/戒烟已有两年了。Itistwoyearssincehesmoked.since1.Recite:10’2.Makeupasentence.20’Itis+alongtime+sincesb.+didC.不久我们就会再见面。Itwon’tbelongbeforewemeetagain.before1.Recite:10’2.Makeupasentence.20’Itwon’tbelongbefore...HardlyhadIgothomewhenitbegantorain.D.我刚到家就下起雨来。When1.Recite:10’2.Makeupasentence.20’Hardly...when...