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东营市一中06英语组Pandoraopensherbox…What’sleftinthebox?Step1Firstlet’sappreciateapainting.ItrepresentsafamousancientGreecemythstory.•Ifshehadbeenwarnedofdanger,shewouldnothaveopenedthebox.misfortuneshopePayattentiontothesentence:Whydoweuse“hadbeenwarned”todescribeaneventhappenedinthepast?为什么我们用过去完成时，来表示过去的事情？TearsinHeavenWouldyouknowmyname,ifIsawyouinheaven?Woulditbethesame,ifIsawyouinheaven?Imustbestrongandcarryon,'CauseIknowIdon'tbelonghereinheaven.Wouldyouholdmyhand,ifIsawyouinheaven?WouldyouhelpmestandifIsawyouinheaven?I'llfindmywaythroughnightandday,'CauseIknowIjustcan'tstayhereinheaven.Step2Let’senjoythesong:Timecanbringyoudown,timecanbendyourknees.Timecanbreakyourheart,haveyoubeggingplease,beggingplease.Beyondthedoor,there'speaceI'msure,AndIknowthere'llbenomoretearsinheaven.QUESTION:Whydoweuse“…ifIsawyouinheaven”todescribesomethingtohappeninthefuture?英语当中有好多种语气，如感叹语气，疑问语气，强调语气等，其中有的是用特殊句式表达的如，疑问句式，感叹句式，强调句式等。而动词运用不同形式也可以表达不同的语气。参见课本p87页一：陈述语气是动词遵从一般的语法规则，该是什么时间就运用什么时态，该什么人称，就什么人称形式，不进行任何刻意的改变注意“陈述语气”不同于陈述句，它是从动词角度加以界定的。它包括陈述句式，也包括疑问句式，感叹句式等。课本上给的三个例句都是陈述语气。二祈使语气这种语气是在所有的时间状况下，都用动词原形开头的句子。如：Haveatrytomorrow.(将来时间)Let’shaveatalk.(现在时间)其否定形式是在动词原形前面直接加”donot”有的人会有疑问：为什么没有表达过去时间的例句呢？同学们能回答这个问题吗？三虚拟语气这是一种，为了表达一种“假设，愿望，怀疑或者推测”等，而对动词的时态，人称形式，进行一些不太遵循普通语法规则的改变。同时这种改变又是有规律的，其变化规律就是我们高中阶段学习的一个重要内容，也是难点。请大家认真学习。虚拟语气中，动词在人称方面的变化比较固定：即，当动词是“be”单独使用时，统一用“were”而不用“was”,如IfIwereyou,Iwouldworkhard.但是“IfIhadbeenearlier,Iwouldhavecaughtthebus.”中没有这样的改变，因为“be”没有单独使用而虚拟语气在动词的事态变化方面相对有一点复杂1虚拟与其在if条件句中的运用A表示现在时间例句：Ifyoutookthebus,youwouldbelateforthefilm.跟踪练习(1)IfI______（be）you,I_________________(choose)togoabroad.(2)IfI_______(have)time,I________________(help)youinstantly.(3)Ifyouconstantly(rub)_______youreyes,it___________________(swell)soon.werewouldchoosehadwouldhelprubbedwouldswellB表示将来时间的跟踪练习：例句(1)Ifitweretoraintomorrow,theywouldnotgoout.(2)IfIweretoseehimtomorrow,Iwouldinvitehimhome.(3)IfIshouldseehimtomorrow,Iwouldinvitehimhome.(4)IfIsawhimtomorrow,Iwouldinvitehimhome.跟踪练习(1)Ifit_____(be)finetomorrow,I__________(go)outonatrip.(2)Ifit_______(be)finetomorrow,I_________(go)outonatrip.(3)Ifit_________________(be)finetomorrow,I__________(go)outonatrip.werewouldgoshouldbeshouldgoweretobeshouldgoC表示过去时间例句IfJackhadscoredthatgoal,wewouldhavewonthefootballmatch.跟踪练习：(1)Ifyou____________(work)hardthen,you__________________(pass)thefinalexameasily.(2)Ifwe_____________(have)morerainlastyear,we_________________(gain)agoodharvest.hadworkedwouldhavepassedhadhadwouldhavegained注意事项*1，在虚拟条件句当中，经常可以省掉if后，把从句变成倒装形式:(把“be”动词，或助动词提前)可以参考p91,Book9(1)Ifyoushouldneedmoreinformation,pleaseletmeknow.可以变换为：Shouldyouneedmoreinformation,pleaseletmeknow.(2)IfMarkhadinvitedme,Iwouldhavebeengladtocome.HadMarkinvitedme,Iwouldhavebeengladtocome.跟踪联系：1_______(be)Iyou,Iwouldworkhard.2_______ittoraintomorrow,IwouldgoonItrip.3________itbeenforyourhelp,Iwouldhavefailedintheexamination.WereWereHad注意事项*2：观察以下各个句子：Ifshehadfollowedthedoctor’sadvicelastmonth,shewouldbequiteallrightnow.Ifyouhadtoldmethenewsyesterday,Iwouldnotbeworriednow.在以上句子当中，从句和主句表达的时间不一致，因此又叫“错综时间条件句子”跟踪练习：Ifmyparents_______________(notforce)metocome,I___________________(notbe)herenow.hadn’tforcedshouldn’tbeIfI_____________(ask)herforadviceyesterday,I______________(know)whattodonow.hadaskedshouldknow注意事项*3含蓄条件句：（1）Butforthehelpfromyou，Iwouldnothavehadthechancetogotocollege.相当于Ifithadnotbeenforthehelpfromyou，Iwouldnothavehadthechancetogotocollege.(2)Withouttheimpressionists,manyofthesepaintingstyleswouldnotexist.相当于Iftherehadnotbeenfortheimpressionists,manyofthesepaintingstyleswouldnotexist.在以上句子中，虽然没有出现if引导的条件状语从句，但是他们表达的意思与if条件句是一致的，只是表现得不明显，所以叫做“含蓄虚拟条件句”，有这种用法词（组）还有:otherwise/or/but/once等ASSIGNMENT:ReadmoreaboutmoreonsubjunctivemoodP88.