until--not...until...与not-until...的用法

“直到”你学会until“为止”主讲人：肖颖珊2015年2月1日until既可以用作介词，又可用作连词。作介词时，后面要接具体的时间；作连词用时，后面要接状语从句。Ishallstayhereuntilthenextday.IwillkeepsinginguntilIgettoooldtosing.介词连词until在肯定句中，意为“到……为止”谓语动词一般要求是延续的，如：work，live，stay，study，play，wait等，表示动作一直延续到until所表示的时间为止。worklivestaywaitplayuntiluntil【练一练】Thingswentwell__________onenightanaccidenthappened.我想在这儿呆到圣诞节。________________________________________.untilI’dliketostayhereuntilChristmasuntilWhatdoyouthinkofthereportontheUFOs?Great!Manystudentswereinterestedinitandtheykeptonstanding______theendofthemeeting.A.untilB.inC.atD.byuntilUFO:UnidentifiedFlyingObject【解析】attheendof后边可以跟时间和地点名词，表示“在......末attheendofthismonth在这个月末；attheendoftheroad在路的尽头intheend,最后，终于（与atlast,finally相近）untilBytheendof用于表示时间的场合，往往含有“在……之前”的意味。attheendofJanuary一月底（指一月份的最后一天）bytheendofJanuary一月底之前（指一月份结束前的几天）Wearetocompletethetaskbytheendoftheyear．untilWhatdoyouthinkofthereportontheUFOs?Great!Manystudentswereinterestedinitandtheykeptonstanding______theendofthemeeting.A.untilB.inC.atD.by【答案】AuntilNot…until…在否定句中，意为“直到……才……”，表直到until所表示的时间才发生。Thelittlegirldidn’tfallasleepuntilhermomreadastory.基本结构：not主句+until从句主句从句untilnot……untilTheydidn’tstopgettingonthetrainuntilitwasfull.not……untilIdidn’trealizeshewasafamousstaruntilshetookoffhersunglasses.not……until【练一练】Youcan’thavethisfootballback___youpromisenottokickitinclass.A.becauseB.sinceC.whenD.until【答案】Dnot……until我的弟弟今天早晨直到九点才起床。________________________________________.Myyoungerbrotherdidn’tgetupuntilninethismorning直到妈妈回来我才吃晚饭。________________________________________.Ididn’thavedinneruntilmymomcamebacknot……until倒装结构：notuntil+从句+倒装的主句IdidnotrealizetheimportanceofteamworkuntilIbecamemonitorofourclass.NotuntilIbecamemonitorofourclassdidIrealizetheimportanceofteamwork.主句从句Notuntil从句主句Notuntil……【练一练】Notuntiltwodaysafterearthquake____________________（她发现）hermotheralive.解题步骤：判断句型：notuntil放句首考倒装回忆结构：notuntil+从句+倒装的主句【答案】didshefindNotuntil……Iknewnothingaboutheruntilhetoldme.I__________________aboutheruntilhetoldme.Notuntilhetoldme,__________________anythingabouther.didn’tknowanythingdidIknowNotuntil……Ididn’thearaworduntilthemanbehindmestoppedtalking.Notuntil_________________________________.themanbehindmestoppedtalkingdidIhearawordNotuntil……---Whenshallwegoplantingtreesinthehill?---__itbeginstorain,sotheydon’tneedwatering.A.NotuntilB.WhileC.TillD.Unless【答案】ANotuntil……“直到”你学会until“为止”Iwillkeepteachinguntil/tillyougetthepoint.Iwon’tstopteachinguntilyougetthepoint.NotuntilyougetthepointwillIstop.Haveyougotit?