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1、一一 概念：概念： 将将来来完完成成时时用用来来表表示示在在将将来来某某一一时时间间以以前前已已经经完完成成或或一一直直持持续续的的动动作作。经经常常与与before+将将来来时时间间或或by+将将来来时时间间连连用用，也也可可与与before或或bythetime引导的现在时的从句连用。引导的现在时的从句连用。将来完成时将来完成时（二）构成：（二）构成：will + have + 过去分词过去分词表示将来表示将来某一时间完成某事。某一时间完成某事。（三）用法举例：（三）用法举例：Ill have retired by the year 2019.a.状状态态完完成成：表表示示某某事事继继续续
2、到到将将来来某某一一时为止一直有的状态。时为止一直有的状态。b.动动作作完完成成：表表示示将将来来某某一一时时或或另另一一个个将将来来的的动动作作之之前前，已已经经完完成成的的动动作作或或一获得的经验。一获得的经验。Theywillhavebeenmarriedfor20yearsbythen.YouwillhavereachedShanghaibythistimetomorrow.将来完成时将来完成时Bythetimeyoucompletethecourse,youwillhaveearnedacertificate.当你结束课程时，你将会获得证书。当你结束课程时，你将会获得证书。Bythe
3、endofnextyear,wewillhavesetupahospital.到今年年底为止，我们将会建好一间医院。到今年年底为止，我们将会建好一间医院。YouwillhavereachedShanghaibythistimetomorrow.到明天的这个时候你将会到了上海。到明天的这个时候你将会到了上海。1）表示在将来某一时间之前已完成的动作，）表示在将来某一时间之前已完成的动作，并往往对将来某一时间产生影响。并往往对将来某一时间产生影响。将来完成时的用法将来完成时的用法 Weshallhavelearned12unitsbytheendofthisterm.到这个学期末，我们将学完到这个学
4、期末，我们将学完12个单元。个单元。BythetimeyougethomeIwillhavecleanedthehousefromtoptobottom.你到家之前我将把房子彻底打扫一遍。你到家之前我将把房子彻底打扫一遍。WhenIhavefinishedthat,IshallhavedoneallIamsupposedtodo.等我做完这件事时，我就做完我该等我做完这件事时，我就做完我该做的所有的事了。做的所有的事了。Pleasedontgetoffthebusuntilithasstopped.请等车停稳后下车。请等车停稳后下车。注注：在时间状语从句中，不用将来完成时，在时间状语从句中，不
5、用将来完成时，要用现在完成时来代替。要用现在完成时来代替。例题例题Bytheendofthismonth,wesurely_asatisfactorysolutiontotheproblem.A)havefoundB)willbefoundC)willhavefoundD)arefinding 本题时间状语为本题时间状语为by+将来时间，考察将来完将来时间，考察将来完成时用法成时用法,应选择应选择C.Theconference_afullweekbythetimeitends.A)musthavelastedB)willhavelastedC)wouldlastD)haslasted将来完成时
6、用来可以表示在将来某一时间以将来完成时用来可以表示在将来某一时间以前一直持续的动作，本句话的意思是：这次前一直持续的动作，本句话的意思是：这次会议将持续整一周才结束，因此谓语动词用会议将持续整一周才结束，因此谓语动词用将来完成时，答案为将来完成时，答案为B.练习题练习题1.Pickmeupateightoclock,I_mybathbythen.A)willhavehadB)willbehavingC)canhavehadD)mayhave2.Bytheendofthismonth,wesurely_asatisfactorysolutiontotheproblem.A)havefoundB)
7、willbefindingC)willhavefoundD)arefindingAC3.Bytheendoftheyearallbuttwopeople_.A)haveleftB)willleaveC)willbeleavingD)willhaveleft4.Itsreportedthatbytheendofthismonththeoutputofcementinthefactory_byabout10%.A)willhaverisenB)hasrisenC)willberisingD)hasbeenrisingAD5.Theconference_afullweekbythetimeitend
8、s.A)musthavelastedB)willhavelastedC)wouldlastD)haslasted6.MytrainarrivesinNewYorkateightoclock.TheplaneIwouldliketotakefromthere_bythen.A)wouldleaveB)willhaveleftC)hasleftD)hadleftBB7.MayIspeaktoyourmanagerMr.Williamsatfiveoclocktonight?Imsorry.Mr.Williams_toaconferencelongbeforethen.”A)willhavegone
9、B)hadgoneC)wouldhavegoneD)hasgone8.BythetimehearrivesinBeijing,we_herefortwodays.A)havebeenstayingB)havestayedC)shallstayD)willhavestayed9.BythetimeyougettoNewYork,I_forLondon.A)amleavingB)shallhaveleftC)havealreadyleftD)wouldbeleavingBAD10.By the time Jane gets home, her aunt _ for London to attend
10、 a meeting. A. will have B. leaves C. will have left D. leftC1.Bytheendofthisyear,I_enoughmoneyforaholiday.2.AwillsaveBwillbesaving3.CwillhavesavedDhavesavedC12.Ihavebeenstudyinghereforfouryears,bynextsummer_-.AshallgraduateBshallbegraduatedCshallbegraduatingDshallhavegraduatedD13.Ihopeherhealth_gre
11、atlybythetimewecomebacknextyear.AimprovesBimprovedCwillbeimprovedDwillhaveimprove14.“AreyougoingtoRichard”sbirthdayparty?“Yes.BythenI_myhomework.”AhadfinishedBwillhavefinishedCwouldhavefinishedDfinishedDB15.IsupposebythetimeIcomebackintenyearstimealltheseoldhouse_down.AwillhavebeenpulledBwillbepullingCwillhavepulledDwillbepulled16.Ihopethatthey_theroadbythetimewecomeback.AwillhaverepairedBwouldhaverepairedChaverepairedDhadrepairedAA
