BeforeBefore用作连词，其基本词义是用作连词，其基本词义是““在在------之前”，用来表示时间或顺序。之前”，用来表示时间或顺序。如：如：TurnthelightoffTurnthelightoffbeforebeforeyousleep.yousleep.睡前先把灯熄掉睡前先把灯熄掉ThinkThinkbeforebeforeyouspeak.youspeak.说话之前应先想清楚说话之前应先想清楚但在不同的语境中但在不同的语境中beforebefore有不同的翻译有不同的翻译1.1.BeforeBefore表示表示“不等“不等------就就---/---/尚未尚未------就就---”---”⑴⑴.---whydidn’tyoutellhimabout.---whydidn’tyoutellhimaboutthemeeting?themeeting?---Herushedoutoftheroom___---Herushedoutoftheroom___Icouldsayaword.Icouldsayaword.((我还没来得及说他就冲出了房间我还没来得及说他就冲出了房间))A.beforeB.untilC.whenD.afterA.beforeB.untilC.whenD.afterbeforebefore⑵⑵.____Icouldgetinaword,hehad.____Icouldgetinaword,hehadmeasuredme.measuredme.我还没来得及插上话，他就给我量好了尺寸我还没来得及插上话，他就给我量好了尺寸A.AfterB.WhenC.sinceD.beforeA.AfterB.WhenC.sinceD.before2.Before2.Before表示“不知不觉，还没弄清就表示“不知不觉，还没弄清就------””此意常用于此意常用于beforesb.beforesb.know/realise---know/realise---⑴⑴TimepassedquicklyandthreeTimepassedquicklyandthreemonthswentbybeforeIknewit.monthswentbybeforeIknewit.((时间飞快流逝，不知不觉时间飞快流逝，不知不觉33个月过去了个月过去了))⑵⑵SeveralweekshadgonebybeforeSeveralweekshadgonebybeforeIrealisedit.Irealisedit.((不知不觉几个周就过去了不知不觉几个周就过去了))3.Before3.Before表示“趁表示“趁------还没”还没”It’scloudy.TakeanumbrellaIt’scloudy.TakeanumbrellabeforebeforeYouregretit.Youregretit.((带把伞吧以免后悔带把伞吧以免后悔))I’llcallhimI’llcallhimbeforebeforeIforget.Iforget.((趁着还没忘记我就给他打个电话趁着还没忘记我就给他打个电话))PutthatawayPutthatawaybeforebeforeitgetsbroken.itgetsbroken.((把它收好，以免砸了把它收好，以免砸了))4.Before4.Before用于这两个句型：用于这两个句型：Itwas/wasn’t+Itwas/wasn’t+一段时间一段时间++beforebefore从句从句（过了多久（过了多久//没过多久没过多久才才------））一般过去一般过去时时Itwill/won’t+Itwill/won’t+一段时间一段时间++beforebefore从句从句（还得过多久（还得过多久//用不了多久用不了多久就就------））一一般现在时般现在时区别：区别：Itis+Itis+一段时间一段时间+since+since从句从句Itis+一段时间+since从句（自从…有多久了）（从句用一般过去时）Itwas+一段时间+since从句（自从…有多久了）（从句用过去完成时）巩固性练习巩固性练习1.Ascientistmustpractisealot___he1.Ascientistmustpractisealot___hecanusealldatatoolswell.canusealldatatoolswell.A.assoonasB.whenC.untilD.beforeA.assoonasB.whenC.untilD.before2.___sherealizedwhatwashappening,2.___sherealizedwhatwashappening,shewashitoverthehead.shewashitoverthehead.A.WhenB.beforeC.sinceD.asA.WhenB.beforeC.sinceD.asBBDD3.–whydidn’tyouhelpthelittleboy?3.–whydidn’tyouhelpthelittleboy?--Oh,sorry.Hehadstruggledtohis--Oh,sorry.Hehadstruggledtohisfeet_____Iranover.feet_____Iranover.A.untilB.afterC.beforeD.sinceA.untilB.afterC.beforeD.since4.Hemadeamistake,butthenhe4.Hemadeamistake,butthenhecorrectedthesituation___itgotworse.correctedthesituation___itgotworse.A.untilB.whenC.beforeD.asA.untilB.whenC.beforeD.asCCCC5.Scientistssayitmaybe5years___it5.Scientistssayitmaybe5years___itispossibletotestthismedicineonispossibletotestthismedicineonhumanpatients.humanpatients.A.SinceB.afterC.beforeD.whenA.SinceB.afterC.beforeD.when6.Someonecalledmeupinthemiddle6.Someonecalledmeupinthemiddleofthenight,buttheyhungup_____Iofthenight,buttheyhungup_____Icouldanswerthephone.couldanswerthephone.A.asB.sinceC.whileD.beforeA.asB.sinceC.whileD.beforeCCDD7.You’dbettergiveitup___itistoolate7.You’dbettergiveitup___itistoolateasit’sverydangerous.asit’sverydangerous.A.beforeB.asC.whenD.sinceA.beforeB.asC.whenD.since8.Itwouldbemonths___hewasfitfor8.Itwouldbemonths___hewasfitforwork.work.A.untilB.sinceC.beforeD.afterA.untilB.sinceC.beforeD.afterAACC9.Itwasevening___wereachedthe9.Itwasevening___wereachedthelittletownofWinchester.littletownofWinchester.A.thatB.untilC.sinceD.beforeA.thatB.untilC.sinceD.before10.Thescientistshadtriedoutmany10.Thescientistshadtriedoutmanykindsofchemicals____theyfoundkindsofchemicals____theyfoundtherightone.therightone.A.sinceB.afterC.beforeD.whenA.sinceB.afterC.beforeD.whenDDCC
VIP
