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1、班级小组姓名层次Unit4Cyberspace导学案7Grammar编写人：梁玲玲审稿：高一英语组寄语：Thereisnoendtolearning・学无止境。Learningaims:graspthefirstconditionalandthesecondconditionalLearningimportantpoint:understandthedifferencebetweenthefirstconditionalandthesecondconditionalLearningdifficultpoint:learntousethesecondconditionalLearningste
2、ps:Step1.翻译下面的句子，然后思考总结:(1)Ifourteacheragrees,we'lltalkaboutthetopic・(2)如果明天天气好，你要做什么？(3)Ifpeopledon5tstoppollutingtheair,animalsandplantswillsoondie・⑷如果你太累，你可以休息一下。(5)Ifyouhavetime,wecangoforawalkthisevening・(6)Ifyoufeelsleepy,gotobed・(7)如果她来，请给我打电话。以上的句子是if引导的真实条件句(8)IfIwereyou,Iwouldhelpthepoor・
3、(9)IfIcouldfly,Icouldliveonthemoon・高考试w^wgkitkcom高考试题库(GKSTK.CO1)-国门岸咅11鬲住円站我的高考我做主!(5)Ifhehadgetupearlier,Iwouldhavecaughttheearlybus・这些句子表示将来不可能发生或与事实相反的情况或状态，我们把这种if引导的条件句叫虚拟条件句。Step2.虚拟条件句的构成：(1)与现在事实相反条件句：一般过去时(be—般用were)主句：would(should,could,might)+动词原形IfIknewhisaddress,Icouldwritealettertohi
4、m・(2)与过去事实相反条件句：过去完成时(构成：+)主句：would(should,could,might)+have+动词的过去分词Ifyouhadworkedharder,youwouldhavegottenhighgradesinthisexam・(3)与将来事实相反动词过去式would(should条件句：should+动词原形主句：might,could)wereto+动词原形+动词原形Ifitrainedthisafternoon,thefootballmatchwouldbeputoff・注意：(1)在虚拟语气的从句中，动词的过去时态一律用"were”，不用was,即在从句中
5、be用were代替。IfIwereyou,Iwouldgotolookforhim.如果我是你，就会去找他。Ifhewerehere,everythingwouldbeallright.如果他在这儿，一切都会好的。http:www.gkstK.com(2)在虚拟条件状语中如果有were,should,had这三个词，通常将if省略，主语提前，变成were,should,had+主语的形式。但要注意，在虚拟条件状语从句中，省略连词的倒装形式的句首不能用动词的缩略形式。如我们可说WereInottodo.,而不能说Weren*tItodo・Weretheyherenow,theycouldhel
6、pus>Hadyoucomeearlier,youwouldhavemethimShoulditrain,thecropswouldbesaved.高考试题库(GKSTK.C01)-国门岸咅11鬲住円站If引导的虚拟条件句的构成主句从句与现在事实相反与过去事实相反与将来事实相反学后反思:考名•精品资料。欢迎使用。高+考:试（题+库www.gkstk.comSteptwo11:当堂检测：一、选择题(1)—Ithoughtyouwouldcomebacktomorrow.(2)—-1wouldifItoattendameeting.A.don，thaveB.didn9thaveC.willnot
7、haveD.would(3)IfIyou,Iwouldn'treturnthecalkA.beB>amC.wasD.were(4)today,hewouldgettherebyFriday•A.WouldheleaveB・WasheleavingC>WerehetoleaveD>Ifheleave二、用所给动词的适当形式填空(1)Ifthey(eat)less,theywouldn'tbesofat・(2)I
