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Until和Not…until用法XunyiHighSchoolFuYapinguntil为介词和连词(表动作、状态的继续)……为止，在……之前例句：1.Iwaiteduntilthreeo’clock.(1)Prep介词+表时间的名词我一直等到三点钟。2.HewatchedTVuntilhisfathercameback(2)Conj连词+从句在肯定句中，until与表示延续性的动词连用，表示动作及状态继续到某一个时刻。在这种用法中，主句的谓语动词必须是持续动词(非瞬间动词)，如live,wait,last,love,like,stay,work,continue等。Notuntil的用法2.如果（主）句中的谓语动词是终止性动词应采用“...not...until...”结构，意为到……为止；直到……才例句：Hedidn’tgotobeduntilhisparentscameback直到他父母回来，他才去睡觉。在Until的否定句中，主句的谓语动词是非延续性动词，表示是某动作在until后所接的时间才开始notuntil的三种考点：基本结构——正常语序强调句结构倒装句结构——倒装语序Wedidnotgetoffthebusuntilitstopped.基本结构：主句从句直到车停了，我们才下了公交车。Notuntil的基本结构not主句+until+从句Notuntil在倒装句中的运用倒装结构：Notuntil+从句+倒装的主句Wedidnotgetoffthebusuntilitstopped.Notuntil_________________________itstoppeddidwegetoffthebus倒装主句从句wedidgetoffthebus×从句主句Notuntil在强调句中的运用Itwasnotuntil_________that_____________Wedidnotgetoffthebusuntilitstopped.itstoppedwegotoffthebus主句从句肯定形式强调句结构：Itis/wasnotuntil+从句+that+主句Notuntil在倒装句中的运用倒装结构：Notuntil+从句+倒装的主句Wedidnotgetoffthebusuntilitstopped.Notuntil_________________________itstoppeddidwegetoffthebus倒装主句从句wedidgetoffthebus×从句主句3.3notuntil的强调句结构总结：notuntil的强调句结构Itis/wasnotuntil+从句/表时间的词+that+主句（不到装）翻译：直到她摘掉眼镜，我才知道她是谁从句主句ItwasnotuntilshetookoffherglassesthatIknowwhoshewas高考链接Notuntiltwodaysafterearthquake____________(她发现)hermotheralive.(find)解题步骤：1.判断句型：Notuntil在句首考倒装。2.回忆结构：Notuntil从句+倒装的主句shefoundhermotheralivedidshefindhermotheralive倒装didshefindNotuntil用法总结基本结构：not+主句+until+从句强调句结构：Itis/wasnotuntil+从句+that+主句倒装句结构:Notuntil+从句+倒装的主句主倒从不倒直到她摘掉眼镜，我才认出来她是李宇春。基本结构IdidnotrealizeshewasLiYuchununtilshetookoffherglasses.强调句结构ItwasnotuntilshetookoffherglassesthatIrealizedshewasLiYuchun.倒装句结构NotuntilshetookoffherglassesdidIrealizeshewasLiYuchun.用notuntil的三种结构翻译下面的句子主句倒装高考链接1.Notuntiltheearlyyearsofthe19thcentury-----whatheatisA.mandidknowB.manknewC.didn’tmanknowD.didmanknow注解：Notuntil放句首，句子要倒装所以答案是D高考链接2.Itwasnotuntilshehadarrivedhome----herAppointmentwiththedoctorAwhensherememberedBthatsherememberedCdidsherememberedDthatdidsheremembered注解:Notuntil句型的强调结构Itis/wasnotuntil+从句+that主句所以答案是b高考链接3.Itwas-----hecamebackfromAfricathatyear----hemetthegirlhewouldliketomarry.A.when;thenB.not;untilC.notuntil;thatD.only;when注解:notuntil句型的强调句型结构是itwasnotuntil+从句+that+主句所以答案是CThankyou!